{
"document": {
"aggregate_severity": {
"text": "Critical"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "TuxCare License Agreement",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
"title": "Terms of Use"
},
{
"category": "details",
"text": "* Bump kernel ABI to 30: ship the ELS kernel as 4.19.0-30-*, distinct from\n the prior 4.19.0-29.\n * CVE-2021-3493\n - vfs: move cap_convert_nscap() call into vfs_setxattr()\n {CVE-2021-3493}\n - ecryptfs: fix uid translation for setxattr on security.capability\n {CVE-2021-3493}\n * CVE-2025-23142\n - sctp: detect and prevent references to a freed transport in\n sendmsg {CVE-2025-23142}\n * CVE-2025-38352\n - posix-cpu-timers: fix race between handle_posix_cpu_timers() and\n posix_cpu_timer_del() {CVE-2025-38352}\n * CVE-2025-39964\n - crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg\n {CVE-2025-39964}\n * CVE-2026-52955\n - libceph: Fix potential out-of-bounds access in crush_decode()\n {CVE-2026-52955}\n * CVE-2026-53091\n - net: account for encap headers in qdisc pkt len {CVE-2026-53091}\n - xfrm: Don't clobber inner headers when already set\n {CVE-2026-53091}\n * CVE-2026-53266\n - netfilter: bridge: make ebt_snat ARP rewrite writable\n {CVE-2026-53266}\n * CVE-2026-63814\n - f2fs: validate ACL entry sizes in f2fs_acl_from_disk()\n {CVE-2026-63814}\n * CVE-2026-63815\n - f2fs: bound i_inline_xattr_size for non-inline-xattr inodes\n {CVE-2026-63815}\n * CVE-2026-63922\n - ipv6: exthdrs: refresh nh after handling HAO option\n {CVE-2026-63922}\n * CVE-2026-63962\n - usb: typec: tcpm: bound altmode_desc[] per iteration in\n svdm_consume_modes() {CVE-2026-63962}\n * CVE-2026-64001\n - ALSA: pcm: oss: Fix setup list UAF on proc write error\n {CVE-2026-64001}\n * CVE-2026-64009\n - xfrm: Check for underflow in xfrm_state_mtu {CVE-2026-64009}\n * CVE-2026-64011\n - nfc: llcp: Fix use-after-free in llcp_sock_release()\n {CVE-2026-64011}\n * CVE-2026-64372\n - cpufreq: pcc: fix use-after-free and double free in _OSC\n evaluation {CVE-2026-64372}\n * CVE-2026-64378\n - writeback, cgroup: increment isw_nr_in_flight before grabbing an\n inode {CVE-2026-64378}\n - writeback, cgroup: add smp_mb() to cgroup_writeback_umount()\n {CVE-2026-64378}\n * CVE-2026-64381\n - smb: client: Fix next buffer leak in receive_encrypted_standard()\n {CVE-2026-64381}\n * CVE-2026-64471\n - Bluetooth: btusb: fix use-after-free on registration failure\n {CVE-2026-64471}\n * CVE-2026-64483\n - ALSA: firewire: isight: bound the sample count to the packet\n payload {CVE-2026-64483}\n * CVE-2026-64504\n - iio: accel: bmc150: clamp the device-reported FIFO frame count\n {CVE-2026-64504}\n * CVE-2026-64505\n - usb: gadget: function: rndis: add length check for header\n {CVE-2026-64505}\n * CVE-2026-64541\n - net/smc: fix UAF in smc_cdc_rx_handler() by pinning the socket\n {CVE-2026-64541}\n * CVE-2026-64543\n - tipc: fix use-after-free of the discoverer in tipc_disc_rcv()\n {CVE-2026-64543}\n * CVE-2026-64546\n - drm/edid: fix OOB read in drm_parse_tiled_block() {CVE-2026-64546}\n * CVE-2026-64563\n - rhashtable: clear stale iter->p on table restart {CVE-2026-64563}\n * CVE-2026-64564\n - sctp: don't free the ASCONF's own transport in DEL-IP processing\n {CVE-2026-64564}\n * CVE-2026-72389\n - bridge: stp: Fix a potential use-after-free when deleting a bridge\n {CVE-2026-72389}\n * CVE-2026-74444\n - drm/vmwgfx: validate DRAW_PRIMITIVES header size before division\n {CVE-2026-74444}\n * CVE-2026-74454\n - drm/vc4: Supply the overflow slot size in BPOS, not the whole bin\n BO size {CVE-2026-74454}\n * CVE-2026-74469\n - sctp: prevent peer transport count overflow {CVE-2026-74469}\n * CVE-2026-74479\n - net: pktgen: fix proc entry use-after-free {CVE-2026-74479}\n * CVE-2026-74498\n - ALSA: usb-audio: Fix DMA buffer out-of-bounds write when fill_max\n is set {CVE-2026-74498}\n * CVE-2026-74499\n - ALSA: usb-audio: fix OOB write in snd_usbmidi_akai_output()\n {CVE-2026-74499}\n * CVE-2026-74505\n - ALSA: 6fire: Fix UAF at error handling during probe\n {CVE-2026-74505}\n * CVE-2026-74540\n - Bluetooth: L2CAP: fix UAF in l2cap_le_connect_rsp {CVE-2026-74540}\n * CVE-2026-74550\n - net: do not send ICMP/NDISC Redirects when peer allocation fails\n {CVE-2026-74550}\n * CVE-2026-74556\n - scsi: libiscsi_tcp: Bound SCSI Response data segment to the\n connection buffer {CVE-2026-74556}\n * CVE-2026-74569\n - netfilter: nf_conntrack_sip: widen NAT rewrite delta to s32 in\n sip_help_tcp() {CVE-2026-74569}\n * CVE-2026-80947\n - wifi: rtl8xxxu: fix use-after-free from rx_urb_wq on stop\n {CVE-2026-80947}\n * CVE-2026-80948\n - wifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start()\n {CVE-2026-80948}\n * CVE-2026-80974\n - mfd: sm501: Fix potential memory leaks during remove\n {CVE-2026-80974}\n * CVE-2026-80976\n - seg6: reset IP6CB after IPv6 decapsulation {CVE-2026-80976}\n * CVE-2026-81000\n - net: tun: bound receive headroom {CVE-2026-81000}\n * CVE-2026-81001\n - slip: fix use-after-free in sl_sync() {CVE-2026-81001}\n * CVE-2026-81003\n - net/iucv: filter frames in afiucv_hs_rcv() by ingress device\n {CVE-2026-81003}\n * CVE-2026-89440\n - mmc: via-sdmmc: stop card-detect handling on probe failure\n {CVE-2026-89440}\n * CVE-2026-89441\n - mmc: via-sdmmc: cancel card-detect work on remove {CVE-2026-89441}\n * CVE-2026-89477\n - sctp: fix NULL deref on untransmitted RECONF completion\n {CVE-2026-89477}\n * CVE-2026-89478\n - sctp: drop a chunk if its transport was removed {CVE-2026-89478}\n * CVE-2026-89487\n - openvswitch: only skb_tx_error() a packet we are about to drop\n {CVE-2026-89487}\n * CVE-2026-89494\n - ocfs2: validate lengths in dlm_mig_lockres_handler\n {CVE-2026-89494}\n * CVE-2026-89495\n - ocfs2: bound namelen in dlm_migrate_request_handler\n {CVE-2026-89495}\n * CVE-2026-89527\n - svcrdma: Use svc_xprt_put to free listener on create failure\n {CVE-2026-89527}\n * CVE-2026-89537\n - SUNRPC: Reject short RFC 4121 MIC tokens in gss_krb5_verify_mic_v2\n {CVE-2026-89537}\n * CVE-2026-89539\n - SUNRPC: reject duplicate CREDS_VALUE options {CVE-2026-89539}\n * CVE-2026-89543\n - sunrpc: fix use-after-free in __rpc_clnt_handle_event and\n __rpc_clnt_remove_pipedir {CVE-2026-89543}\n * CVE-2026-89544\n - SUNRPC: fix gssx_dec_option_array error path bugs {CVE-2026-89544}\n * CVE-2026-89548\n - SUNRPC: always drain cache_cleaner before destroying a\n cache_detail {CVE-2026-89548}\n * CVE-2026-89549\n - sunrpc: route to a populated pool in svc_pool_for_cpu()\n {CVE-2026-89549}\n * CVE-2026-89550\n - SUNRPC: svcauth_gss: enforce krb5 token minimum length\n {CVE-2026-89550}\n * CVE-2026-89552\n - params: fix charp corruption on allocation failure\n {CVE-2026-89552}\n * CVE-2026-89553\n - nouveau/gem: reserve the bo in the info ioctl around the vma\n lookup {CVE-2026-89553}\n * CVE-2026-89555\n - mpls: reload header after pskb_may_pull() {CVE-2026-89555}\n * CVE-2026-89559\n - libnvdimm/labels: Prevent integer overflow in\n __nd_label_validate() {CVE-2026-89559}\n * CVE-2026-89575\n - dm raid1: reserve space for NUL-terminator in\n build_constructor_string() {CVE-2026-89575}\n * CVE-2026-89607\n - ecryptfs: reject oversized encrypted_key_size in\n parse_tag_3_packet {CVE-2026-89607}\n * CVE-2026-89633\n - smb: client: fix OOB read/write from unvalidated DataOffset in\n coalesce_t2() {CVE-2026-89633}\n * CVE-2026-89637\n - smb: client: fix UAF and buffer leak in cifs_check_trans2() for\n malformed secondary T2 {CVE-2026-89637}\n * CVE-2026-89641\n - cifs: clear tcon after cifsFileInfo_put() in cifs_file_set_size()\n {CVE-2026-89641}\n * CVE-2026-89655\n - ceph: fix UAF in __kick_flushing_caps() on cf entry freed during\n unlock {CVE-2026-89655}\n * CVE-2026-89656\n - libceph: reject buckets with mismatched CRUSH ids {CVE-2026-89656}\n * CVE-2026-89671\n - nfsd: gate nfs3 setacl by argp->mask {CVE-2026-89671}\n * CVE-2026-89699\n - nfsd: validate symlink target length in NFSv4 CREATE\n {CVE-2026-89699}\n * CVE-2026-89733\n - usb: gadget: uvc: fix dangling pointers in uvc_function_bind() and\n uvc_function_unbind() {CVE-2026-89733}\n * CVE-2026-89736\n - usb: gadget: u_audio: Fix use-after-free on sound card disconnect\n {CVE-2026-89736}\n * CVE-2026-89761\n - apparmor: fix out-of-bounds write when null terminating a label\n vec {CVE-2026-89761}\n * CVE-2026-99999\n - ipv4: validate checksum_start before completing checksum\n {CVE-2026-99999}\n * Miscellaneous upstream changes\n - posix-cpu-timers: fix race between handle_posix_cpu_timers() and\n posix_cpu_timer_del()",
"title": "Details"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://tuxcare.com/contact/",
"name": "TuxCare",
"namespace": "https://tuxcare.com/"
},
"references": [
{
"category": "self",
"summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.tuxcare.com/csaf/v2/els_os/debian10els/advisories/2026/clsa-2026_1792419819.json"
}
],
"tracking": {
"current_release_date": "2026-10-19T14:33:00Z",
"generator": {
"date": "2026-10-19T14:33:00Z",
"engine": {
"name": "pyCSAF"
}
},
"id": "CLSA-2026:1792419819",
"initial_release_date": "2026-10-19T14:33:00Z",
"revision_history": [
{
"date": "2026-10-19T14:33:00Z",
"number": "1",
"summary": "Initial version"
}
],
"status": "final",
"version": "1"
},
"title": "Fix of 74 CVEs"
},
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{
"cve": "CVE-2025-39964",
"cwe": {
"id": "CWE-362",
"name": "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"
},
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: af_alg - Disallow concurrent writes in af_alg_sendmsg\n\nIssuing two writes to the same af_alg socket is bogus as the\ndata will be interleaved in an unpredictable fashion. Furthermore,\nconcurrent writes may create inconsistencies in the internal\nsocket state.\n\nDisallow this by adding a new ctx->write field that indiciates\nexclusive ownership for writing.",
"title": "Vulnerability description"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2025-39964"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0f28c4adbc4a97437874c9b669fd7958a8c6d6ce",
"url": "https://git.kernel.org/stable/c/0f28c4adbc4a97437874c9b669fd7958a8c6d6ce"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/1b34cbbf4f011a121ef7b2d7d6e6920a036d5285",
"url": "https://git.kernel.org/stable/c/1b34cbbf4f011a121ef7b2d7d6e6920a036d5285"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/1f323a48e9b5ebfe6dc7d130fdf5c3c0e92a07c8",
"url": "https://git.kernel.org/stable/c/1f323a48e9b5ebfe6dc7d130fdf5c3c0e92a07c8"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/45bcf60fe49b37daab1acee57b27211ad1574042",
"url": "https://git.kernel.org/stable/c/45bcf60fe49b37daab1acee57b27211ad1574042"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/7c4491b5644e3a3708f3dbd7591be0a570135b84",
"url": "https://git.kernel.org/stable/c/7c4491b5644e3a3708f3dbd7591be0a570135b84"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/9aee87da5572b3a14075f501752e209801160d3d",
"url": "https://git.kernel.org/stable/c/9aee87da5572b3a14075f501752e209801160d3d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/e4c1ec11132ec466f7362a95f36a506ce4dc08c9",
"url": "https://git.kernel.org/stable/c/e4c1ec11132ec466f7362a95f36a506ce4dc08c9"
},
{
"category": "external",
"summary": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"
},
{
"category": "external",
"summary": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html"
},
{
"category": "external",
"summary": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-39964",
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-39964"
}
],
"release_date": "2025-10-13T14:15:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
"category": "none_available",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
]
},
{
"cve": "CVE-2026-89607",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\necryptfs: reject oversized encrypted_key_size in parse_tag_3_packet\n\nparse_tag_3_packet() set encrypted_key_size from the Tag 3 packet body\nwithout bounding it against ECRYPTFS_MAX_KEY_BYTES (64). When\nencrypted_key_size > 64, decrypt_passphrase_encrypted_session_key()\nsets decrypted_key_size = encrypted_key_size and performs two\nout-of-bounds writes:\n\n1. crypto_skcipher_decrypt() writes encrypted_key_size bytes into\n decrypted_key[64] via scatterlist, overflowing into the parent\n ecryptfs_auth_tok struct.\n2. memcpy(crypt_stat->key, decrypted_key, decrypted_key_size) writes\n into crypt_stat->key[64], corrupting root_iv, keysig_list, and\n mutexes in ecryptfs_crypt_stat.\n\nOnly AES-192 (cipher code 0x08) enables this because it sets\ncrypt_stat->key_size = 24 independently of encrypted_key_size,\nallowing crypto_skcipher_setkey() to succeed while encrypted_key_size\nexceeds ECRYPTFS_MAX_KEY_BYTES.\n\nThe PKI decryption path (parse_tag_65_packet) already validates\ndecrypted_key_size <= ECRYPTFS_MAX_KEY_BYTES; the passphrase path\nomits this check.\n\nBound encrypted_key_size against ECRYPTFS_MAX_KEY_BYTES (64) rather\nthan ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES (512). The 64-byte limit also\nprotects the 512-byte encrypted_key[] buffer, so the former 512-byte\ncheck is removed as redundant.\n\n[tyhicks: Adjust the code comment to refer to macros representing the\n buffer sizes rather than mentioning the buffer size values since they\n may change in the future]",
"title": "Vulnerability description"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89607"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/14cb36a500a5a3afbc955dbf69dabc565f1a3b26",
"url": "https://git.kernel.org/stable/c/14cb36a500a5a3afbc955dbf69dabc565f1a3b26"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2cd21340163494d312836c77c9fbfe2530b3d075",
"url": "https://git.kernel.org/stable/c/2cd21340163494d312836c77c9fbfe2530b3d075"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/33e050cac841498b5175f0f385eee903fd98863c",
"url": "https://git.kernel.org/stable/c/33e050cac841498b5175f0f385eee903fd98863c"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/5babe9c177c364521e3e682b949c5a8c47f4a441",
"url": "https://git.kernel.org/stable/c/5babe9c177c364521e3e682b949c5a8c47f4a441"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/a419c9ebfc9a40ee56aaad6dc68bfd67d400817b",
"url": "https://git.kernel.org/stable/c/a419c9ebfc9a40ee56aaad6dc68bfd67d400817b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ccd13eff0e7356d2aa28b127b577e4e5ad4563f5",
"url": "https://git.kernel.org/stable/c/ccd13eff0e7356d2aa28b127b577e4e5ad4563f5"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/d2802414081184f79a619ede178aeef3aa989793",
"url": "https://git.kernel.org/stable/c/d2802414081184f79a619ede178aeef3aa989793"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/e2152d491ae62d96a32ed59778680a242af1fbc6",
"url": "https://git.kernel.org/stable/c/e2152d491ae62d96a32ed59778680a242af1fbc6"
}
],
"release_date": "2026-09-11T19:45:09Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-74505",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: 6fire: Fix UAF at error handling during probe\n\nAlthough 6fire driver had a few fixes for dealing with the early error\nhandling during the probe phase, it forgot a pending URB before\nfreeing the resources, which may lead to a UAF.\n\nThis patch addresses it by doing the almost same cleanup procedure\nlike the normal disconnect phase at the error path.",
"title": "Vulnerability description"
}
],
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-74505"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/11e2953d9f4c7c3d2af94a889c2d805c537d633f",
"url": "https://git.kernel.org/stable/c/11e2953d9f4c7c3d2af94a889c2d805c537d633f"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2de734dcbb210bd59983e13d36988acbcc122194",
"url": "https://git.kernel.org/stable/c/2de734dcbb210bd59983e13d36988acbcc122194"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/49bc7741cd2761c703a292dc69245041ae8a67bd",
"url": "https://git.kernel.org/stable/c/49bc7741cd2761c703a292dc69245041ae8a67bd"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/630c8d6a93cbd9b2a207f1a67ef1fd21af098b0c",
"url": "https://git.kernel.org/stable/c/630c8d6a93cbd9b2a207f1a67ef1fd21af098b0c"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/8b7ecb2446845fa8d1f1ce9aac6307caac50cfd5",
"url": "https://git.kernel.org/stable/c/8b7ecb2446845fa8d1f1ce9aac6307caac50cfd5"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/a0bb5b9d39e54888385dc399c899223299201fe6",
"url": "https://git.kernel.org/stable/c/a0bb5b9d39e54888385dc399c899223299201fe6"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/a54bf16965f896415c3337bc4fbb40fb11941d99",
"url": "https://git.kernel.org/stable/c/a54bf16965f896415c3337bc4fbb40fb11941d99"
},
{
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"summary": "https://git.kernel.org/stable/c/d41bfea14ee6e063a953f6e72046088737c4e66c",
"url": "https://git.kernel.org/stable/c/d41bfea14ee6e063a953f6e72046088737c4e66c"
}
],
"release_date": "2026-08-15T13:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89637",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix UAF and buffer leak in cifs_check_trans2() for malformed secondary T2\n\nWhen a valid primary TRANSACT2 response has been received (mid->resp_buf\nset, mid->multiRsp true) and a subsequent secondary response causes\ncifs_check_trans2() to return false -- either because the SMB header is\ninvalid (malformed != 0) or because check2ndT2() rejects the PDU --\nhandle_mid() overwrites mid->resp_buf with the new buffer (leaking the\nprimary buffer) and, because mid->multiRsp is set, skips the\nserver->smallbuf/bigbuf NULL-out. When the user thread frees\nmid->resp_buf, server->smallbuf or server->bigbuf is left dangling; the\ndemux thread reuses it for the next packet, resulting in a use-after-free.\n\nCombine both early-exit conditions and, when mid->multiRsp is already\nset, abort the pending transaction inline: set multiEnd, call\ndequeue_mid() with malformed=true, and return true so handle_mid() exits\nwithout touching mid->resp_buf or the server buffer pointers.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89637"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/5e6533a683f6a851158d9f33fb4ea8f4f25d7f84",
"url": "https://git.kernel.org/stable/c/5e6533a683f6a851158d9f33fb4ea8f4f25d7f84"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/730d0bb19507b9e19c2fe5343109ac618e2fbce5",
"url": "https://git.kernel.org/stable/c/730d0bb19507b9e19c2fe5343109ac618e2fbce5"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/9eed72e9534b10a6d9f8f5146feff3db53aebdba",
"url": "https://git.kernel.org/stable/c/9eed72e9534b10a6d9f8f5146feff3db53aebdba"
}
],
"release_date": "2026-09-11T19:45:31Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:45:31Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-64372",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: pcc: fix use-after-free and double free in _OSC evaluation\n\npcc_cpufreq_do_osc() calls acpi_evaluate_object() twice for the\ntwo-phase _OSC negotiation. Between the two calls it freed\noutput.pointer but left output.length unchanged. Since\nacpi_evaluate_object() treats a non-zero length with a non-NULL\npointer as an existing buffer to write into, the second call wrote\ninto freed memory (use-after-free). The subsequent kfree(output.pointer)\nat out_free then freed the same pointer a second time (double free).\n\nReset output.pointer to NULL and output.length to ACPI_ALLOCATE_BUFFER\nafter freeing the first result, so ACPICA allocates a fresh buffer for\neach phase independently.",
"title": "Vulnerability description"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-64372"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0e3c739a2f6fc1de5b19a8839ab80696b9cb2a29",
"url": "https://git.kernel.org/stable/c/0e3c739a2f6fc1de5b19a8839ab80696b9cb2a29"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/266d3dd8b757b48a576e90f018b51f7b7563cc32",
"url": "https://git.kernel.org/stable/c/266d3dd8b757b48a576e90f018b51f7b7563cc32"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/5cdb25f144b101083d8bf3fd023ad87fbe6850d7",
"url": "https://git.kernel.org/stable/c/5cdb25f144b101083d8bf3fd023ad87fbe6850d7"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/632666a63116d8061c62a988d1ca39dcd6d27c9b",
"url": "https://git.kernel.org/stable/c/632666a63116d8061c62a988d1ca39dcd6d27c9b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/6ba6f6783be2ffeb2cbcdc9321c4b9f708f796f7",
"url": "https://git.kernel.org/stable/c/6ba6f6783be2ffeb2cbcdc9321c4b9f708f796f7"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/8e454e9d0bc03446d610ee49abec9dfd424f6541",
"url": "https://git.kernel.org/stable/c/8e454e9d0bc03446d610ee49abec9dfd424f6541"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/982c9f92d57bda2b769851ff6d90d43dcf5f3734",
"url": "https://git.kernel.org/stable/c/982c9f92d57bda2b769851ff6d90d43dcf5f3734"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/a36ca93a8ba57464e521d70a337d37f069064111",
"url": "https://git.kernel.org/stable/c/a36ca93a8ba57464e521d70a337d37f069064111"
}
],
"release_date": "2026-07-25T10:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-74454",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vc4: Supply the overflow slot size in BPOS, not the whole bin BO size\n\nvc4_overflow_mem_work() points BPOA at a 512KB slot inside the 16MB\nbinner BO, but writes the size of the whole BO to BPOS. On every binner\nout-of-memory event the PTB is therefore authorized to write tile lists\nacross all the other slots (which may hold the tile state, tile alloc and\noverflow memory of in-flight jobs) and, for any slot but the first, past\nthe end of the binner BO into unrelated CMA memory.\n\nSince CMA pages are recycled into page cache and user allocations, this\nis arbitrary memory corruption by GPU DMA. In practice it shows up as GPU\nhangs with corrupted control list pointers, userspace heap corruption, a\nGPU that stays permanently wedged after the first hang, and occasional\nfull system crashes, whenever a job overflows the initial binner slot.\n\nThe bug dates back to the conversion from a dedicated overflow BO (where\nwriting the full BO size was correct) to the slotted binner BO.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-74454"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0badb30871004d34df87be33e853536f0b69885f",
"url": "https://git.kernel.org/stable/c/0badb30871004d34df87be33e853536f0b69885f"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/1e33ca7f44be64beed2735bb76b86eb65ba8c05b",
"url": "https://git.kernel.org/stable/c/1e33ca7f44be64beed2735bb76b86eb65ba8c05b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2f2291a119e9a8b696ae8bb36e86b75d272ceaea",
"url": "https://git.kernel.org/stable/c/2f2291a119e9a8b696ae8bb36e86b75d272ceaea"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/6395789e4739aa5177bbec0fa0f07ccc38d249b0",
"url": "https://git.kernel.org/stable/c/6395789e4739aa5177bbec0fa0f07ccc38d249b0"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/6cd5acf6f87c073622bd61e38fe99c47365cda9c",
"url": "https://git.kernel.org/stable/c/6cd5acf6f87c073622bd61e38fe99c47365cda9c"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/bb5656ae063f2711f56438cf2f1f5b613aea5f12",
"url": "https://git.kernel.org/stable/c/bb5656ae063f2711f56438cf2f1f5b613aea5f12"
}
],
"release_date": "2026-08-15T13:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-74569",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_conntrack_sip: widen NAT rewrite delta to s32 in sip_help_tcp()\n\nsip_help_tcp() stores the size change of each NAT-rewritten SIP message\nin s16 diff and accumulates it in s16 tdiff, but a single message can\ngrow by more than S16_MAX while the packet stays under the 65535\nenlarge_skb() limit: nf_nat_sip() rewrites every matching URI, and a long\nContact list expands the message by tens of kilobytes. diff then wraps,\nand \"datalen = datalen + diff - msglen\" yields a huge unsigned datalen,\nso the next iteration's ct_sip_get_header() reads past the linearized skb\ntail.\n\nWiden diff, tdiff and the seq_adjust hook to s32. Both are bounded by the\n65535 byte packet limit, and the seqadj core is already s32\n(nf_ct_seqadj_set() takes s32), so no previously accepted input is\nrejected.\n\n BUG: KASAN: use-after-free in ct_sip_get_header (net/netfilter/nf_conntrack_sip.c:464)\n Read of size 1 at addr ffff888010800000 by task ksoftirqd/1/25\n ct_sip_get_header (net/netfilter/nf_conntrack_sip.c:464)\n sip_help_tcp (net/netfilter/nf_conntrack_sip.c:1694)\n nf_confirm (net/netfilter/nf_conntrack_proto.c:183)\n nf_hook_slow (net/netfilter/core.c:619)\n ip6_output (net/ipv6/ip6_output.c:246)\n ip6_forward (net/ipv6/ip6_output.c:690)\n ipv6_rcv (net/ipv6/ip6_input.c:351)\n __netif_receive_skb_one_core (net/core/dev.c:6212)\n process_backlog (net/core/dev.c:6676)\n __napi_poll (net/core/dev.c:7735)\n net_rx_action (net/core/dev.c:7955)\n handle_softirqs (kernel/softirq.c:622)\n run_ksoftirqd (kernel/softirq.c:1076)\n ...",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-74569"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/1b0843f9e9b9b0b9b4b70d143b67e58163c85b2c",
"url": "https://git.kernel.org/stable/c/1b0843f9e9b9b0b9b4b70d143b67e58163c85b2c"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/32d4abc8923b0d4046fd63ad6e4917872e44eb6d",
"url": "https://git.kernel.org/stable/c/32d4abc8923b0d4046fd63ad6e4917872e44eb6d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/63eea41759fd682229c14e0a2205802b46d106f3",
"url": "https://git.kernel.org/stable/c/63eea41759fd682229c14e0a2205802b46d106f3"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/c97621a110e386b2dd69e276eb699e1d3cec581d",
"url": "https://git.kernel.org/stable/c/c97621a110e386b2dd69e276eb699e1d3cec581d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/db3d0e0e5d4bc5ab4fe445b9f413d1b486508ca5",
"url": "https://git.kernel.org/stable/c/db3d0e0e5d4bc5ab4fe445b9f413d1b486508ca5"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ed1f9be6dc8e2e280b8725e44ccdc6e0cd38640d",
"url": "https://git.kernel.org/stable/c/ed1f9be6dc8e2e280b8725e44ccdc6e0cd38640d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ef5e2c6555d2bb52dfe0e4053a8c6193f9d83b64",
"url": "https://git.kernel.org/stable/c/ef5e2c6555d2bb52dfe0e4053a8c6193f9d83b64"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/f74554e67ccf04d1fa71069e8c9afa2717e40716",
"url": "https://git.kernel.org/stable/c/f74554e67ccf04d1fa71069e8c9afa2717e40716"
}
],
"release_date": "2026-08-15T13:18:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-08-15T13:18:00Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-64541",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: fix UAF in smc_cdc_rx_handler() by pinning the socket\n\nsmc_cdc_rx_handler() looks up the connection by token under the link\ngroup's conns_lock, drops the lock, and then dereferences conn and the\nsmc_sock derived from it, ending in sock_hold(&smc->sk) inside\nsmc_cdc_msg_recv(). No reference is held across the lock release.\n\nThe only reference pinning the socket while the connection is\ndiscoverable in the link group is taken in smc_lgr_register_conn()\n(sock_hold) and dropped in __smc_lgr_unregister_conn() (sock_put), both\nunder conns_lock. Once the handler drops conns_lock, a concurrent\nclose() -> smc_release() -> smc_conn_free() -> smc_lgr_unregister_conn()\ncan drop that reference and free the smc_sock, so the handler's later\nsock_hold() runs on freed memory:\n\n WARNING: lib/refcount.c:25 at refcount_warn_saturate\n Workqueue: rxe_wq do_work\n refcount_warn_saturate (lib/refcount.c:25)\n smc_cdc_msg_recv (net/smc/smc_cdc.c:430)\n smc_cdc_rx_handler (net/smc/smc_cdc.c:502)\n smc_wr_rx_tasklet_fn (net/smc/smc_wr.c:445)\n tasklet_action_common (kernel/softirq.c:938)\n handle_softirqs (kernel/softirq.c:622)\n Kernel panic - not syncing: panic_on_warn set\n\nOnly SMC-R is affected. The SMC-D receive tasklet is stopped by\ntasklet_kill(&conn->rx_tsklet) in smc_conn_free() before the connection\nis unregistered, so it cannot run concurrently with the free.\n\nTake the socket reference while still holding conns_lock, so the\nregistration reference can no longer be the last one, and drop it once\nthe handler is done.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-64541"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/1951bffbc6493ec34cff3956b29d4bc6606904a6",
"url": "https://git.kernel.org/stable/c/1951bffbc6493ec34cff3956b29d4bc6606904a6"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3bfb96d9bc6a7ed0b99c7db329cc2e22a28d84bb",
"url": "https://git.kernel.org/stable/c/3bfb96d9bc6a7ed0b99c7db329cc2e22a28d84bb"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/472e9d7c0d5b03be3ff91ff941f57da822b031bc",
"url": "https://git.kernel.org/stable/c/472e9d7c0d5b03be3ff91ff941f57da822b031bc"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/647b19e5cc145a2f1f685ae8ff3805a17356888c",
"url": "https://git.kernel.org/stable/c/647b19e5cc145a2f1f685ae8ff3805a17356888c"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/8145b432136285e01091815b48ceb2dae261f262",
"url": "https://git.kernel.org/stable/c/8145b432136285e01091815b48ceb2dae261f262"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/8de4f665d0febfb92803dece377791a563fc7041",
"url": "https://git.kernel.org/stable/c/8de4f665d0febfb92803dece377791a563fc7041"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/9d160b35cc34a2ba8229d07651468a7848325135",
"url": "https://git.kernel.org/stable/c/9d160b35cc34a2ba8229d07651468a7848325135"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ce5aa8084329351086894aa34d77e40301d5bd3d",
"url": "https://git.kernel.org/stable/c/ce5aa8084329351086894aa34d77e40301d5bd3d"
}
],
"release_date": "2026-07-27T21:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-74550",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: do not send ICMP/NDISC Redirects when peer allocation fails\n\nWhen inet_getpeer_v4() or inet_getpeer_v6() fails to allocate a peer entry\nunder memory pressure or tree size caps, redirect handlers previously fell\nback to sending un-rate-limited ICMP/NDISC Redirect messages.\n\nIn IPv4, ip_rt_send_redirect() called icmp_send() directly when peer == NULL.\nIn IPv6, ip6_forward() and ndisc_send_redirect() passed a NULL peer into\ninet_peer_xrlim_allow(), which returned true when peer == NULL.\n\nBecause ICMP/NDISC Redirects are not part of the default global rate limit\nmask (sysctl_icmp_ratemask), sending redirects when peer == NULL creates\nan un-rate-limited ICMP packet storm.\n\nFix this by failing closed in ip_rt_send_redirect(), ip6_forward(), and\nndisc_send_redirect() when peer is NULL.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-74550"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/21666f7af49a90ef44d474916b8ef4402dfd74f5",
"url": "https://git.kernel.org/stable/c/21666f7af49a90ef44d474916b8ef4402dfd74f5"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/5ec5f00fc606a6df8434948c4552b3cb1176595d",
"url": "https://git.kernel.org/stable/c/5ec5f00fc606a6df8434948c4552b3cb1176595d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/828f6670d110ff2bf44c743037b38badc315704c",
"url": "https://git.kernel.org/stable/c/828f6670d110ff2bf44c743037b38badc315704c"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/c0adf8b4247bcc5a145a25c1929006eb392580bb",
"url": "https://git.kernel.org/stable/c/c0adf8b4247bcc5a145a25c1929006eb392580bb"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/dbc3791e3b2472e1ccc08947e0f83b443470ff4f",
"url": "https://git.kernel.org/stable/c/dbc3791e3b2472e1ccc08947e0f83b443470ff4f"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/f5ecaa7ea7686fa7ecdb6affc9d3a9a42e4524b1",
"url": "https://git.kernel.org/stable/c/f5ecaa7ea7686fa7ecdb6affc9d3a9a42e4524b1"
}
],
"release_date": "2026-08-15T13:18:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
"category": "none_available",
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-64011",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: llcp: Fix use-after-free in llcp_sock_release()\n\nllcp_sock_release() unconditionally unlinks the socket from the local\nsockets list. However, if the socket is still in connecting state, it\nis on the connecting list.\n\nFix this by checking the socket state and unlinking from the correct list.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-64011"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2dfdaaf7d933b676124aadec6698825e95f94fe9",
"url": "https://git.kernel.org/stable/c/2dfdaaf7d933b676124aadec6698825e95f94fe9"
},
{
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"summary": "https://git.kernel.org/stable/c/89ba026747019ee643d29407435ddc118e6ca908",
"url": "https://git.kernel.org/stable/c/89ba026747019ee643d29407435ddc118e6ca908"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/912ebc49d4406a17fe73e5671d674fbc2f6b2634",
"url": "https://git.kernel.org/stable/c/912ebc49d4406a17fe73e5671d674fbc2f6b2634"
},
{
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"summary": "https://git.kernel.org/stable/c/bc421d0826dedbba37580a25405eafb599e76d42",
"url": "https://git.kernel.org/stable/c/bc421d0826dedbba37580a25405eafb599e76d42"
},
{
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"summary": "https://git.kernel.org/stable/c/cdc17e09a636c7f936f771902535a7515a7608fc",
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"summary": "https://git.kernel.org/stable/c/e00f50f8697724a6f1d2d35744c1332c9912dac5",
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"url": "https://git.kernel.org/stable/c/fb29f6bbe433f3decad227588809636c25f2a287"
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],
"release_date": "2026-07-19T16:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89495",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: bound namelen in dlm_migrate_request_handler\n\nPatch series \"ocfs2/dlm: bound peer-controlled lengths in the o2dlm\".\n\nThe o2dlm receive handlers trust u8 length and count fields from the wire\nwithout bounding them, so a node in a DLM domain can corrupt or panic any\nother node with a malformed message. Three defects:\n\n - dlm_migrate_request_handler() passes migrate->namelen unchecked to\n dlm_init_mle(), which memcpy()s it into the 32-byte mname[] of an\n o2dlm_mle slab object: a heap out-of-bounds write of up to ~215\n attacker-controlled bytes.\n\n - dlm_mig_lockres_handler() passes mres->lockname_len unchecked to\n dlm_init_lockres(), which memcpy()s it into the 32-byte o2dlm_lockname\n slab object: a heap out-of-bounds write of up to ~223 bytes.\n\n - the same handler trusts mres->num_locks without checking that the\n message is large enough to hold that many entries, so\n dlm_process_recovery_data() walks mres->ml[] past the kmalloc(data_len)\n copy and trips a BUG_ON (an out-of-bounds read ending in a panic).\n\nThe other o2dlm receive handlers already reject an oversized name; the\nmigration and recovery handlers have omitted it since the DLM was added\n(see the Fixes tags). Patch 1 bounds namelen; patch 2 validates\nlockname_len, num_locks, and the payload size. Conforming recovery and\nmigration traffic is unaffected.\n\no2net authenticates peers only by the DLM domain key, so any node that has\njoined the domain -- including a compromised or malicious member -- can\nsend these messages. There is no local trigger; the attacker must already\nbe a member of the cluster.\n\nEach sink was confirmed under KASAN with an out-of-tree module mirroring\nit exactly -- a kmem_cache/kmalloc of the real destination size, then the\nsame unclamped memcpy/loop: slab-out-of-bounds Write for the two writes,\nRead for the recovery walk, and a panic. A userspace AddressSanitizer\nbuild faults identically under -m32 and -m64. Scrubbed logs are available\non request.\n\nI reported this privately to security@kernel.org and the ocfs2 maintainers\non 2026-06-20; with no response after the standard embargo period I am\nposting the fix publicly. I have no embargo requirement.\n\n\nThis patch (of 2):\n\nA node receiving a DLM_MIGRATE_REQUEST message trusts the peer-supplied\nname length (migrate->namelen) without bounding it. dlm_init_mle() then\ncopies that many bytes into the fixed DLM_LOCKID_NAME_MAX-byte mname[]\narray of an o2dlm_mle slab object, so a malformed message from a cluster\npeer overflows the slab object by up to ~215 bytes: a heap out-of-bounds\nwrite of attacker-controlled data, reachable by any node in the domain.\n\nReject an oversized name, the way dlm_master_request_handler() and the\nother o2dlm receive handlers already do; the migration handler omits the\ncheck entirely. Conforming messages are unaffected.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89495"
},
{
"category": "external",
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"url": "https://git.kernel.org/stable/c/f8658ee3327f73bd81c0bcd07cdeb5a8527fac98"
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],
"release_date": "2026-09-11T19:43:46Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:43:46Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89544",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: fix gssx_dec_option_array error path bugs\n\nFour coupled defects in the gssx XDR option-array decoder make the\nerror paths unsafe: a NULL deref in the caller, a refcount leak on\nthe decoded group_info, and a latent use-after-free that the leak\nfix would otherwise expose.\n\ngssx_dec_option_array() sets oa->count = 1 before allocating\noa->data. If that allocation fails, -ENOMEM is returned with\noa->count == 1 and oa->data == NULL. All other error paths jump\nto free_oa: which frees oa->data and NULLs it but also leaves\noa->count == 1. The caller trusts the count:\n\n gssp_accept_sec_context_upcall()\n gssx_dec_accept_sec_context()\n gssx_dec_option_array() /* fails, count=1 data=NULL */\n data = res.options.data[0].value /* NULL deref */\n\nIndependently, free_creds: releases the partially decoded svc_cred\nwith a bare kfree(creds). gssx_dec_linux_creds() installs a\ngroups_alloc() result into creds->cr_group_info; that object is\nkvmalloc-backed and refcounted, and only put_group_info() reaches\nkvfree(). A plain kfree(creds) drops the wrapper and leaks the\ngroup_info allocation.\n\nThe natural fix for the leak is to call free_svc_cred(creds) before\nkfree(creds), but free_svc_cred() invokes put_group_info() on\ncreds->cr_group_info unconditionally when non-NULL. The existing\nout_free_groups: path in gssx_dec_linux_creds() already called\ngroups_free() on that pointer without clearing it, so once\nfree_svc_cred() is wired in, the subsequent put_group_info() would\ntouch freed memory.\n\nFix all four together:\n\n - Move the oa->count = 1 assignment below the oa->data allocation\n so it is never set when oa->data is NULL.\n - Reset oa->count to 0 at free_oa: so count and data stay\n coherent and the caller sees an empty option array.\n - Call free_svc_cred(creds) before kfree(creds) at free_creds:\n so the refcounted cr_group_info is released. free_svc_cred()\n either NULL-guards each field explicitly (cr_group_info has\n an if() check) or delegates to a helper that is NULL-safe\n itself (kfree for the string fields, gss_mech_put() which\n guards with if(gm) at gss_mech_switch.c:342), so it is safe\n to call on a partially decoded svc_cred where only\n cr_uid/cr_gid/cr_group_info have been written and everything\n else is zero from kzalloc.\n - In gssx_dec_linux_creds()'s out_free_groups: path, release\n cr_group_info with put_group_info() rather than groups_free()\n so the teardown matches free_svc_cred()'s refcount-aware path,\n and clear the pointer so a later free_svc_cred() on the same\n creds does not release it a second time.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89544"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3ff45361e9469e85c0f86b8e7b82c63e50bab8ef",
"url": "https://git.kernel.org/stable/c/3ff45361e9469e85c0f86b8e7b82c63e50bab8ef"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/5e9a94539b1ec17a89177d952badfd0d844d694a",
"url": "https://git.kernel.org/stable/c/5e9a94539b1ec17a89177d952badfd0d844d694a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/f85a83774d7f4e2ac71c0c384df0dfb6f7d0179a",
"url": "https://git.kernel.org/stable/c/f85a83774d7f4e2ac71c0c384df0dfb6f7d0179a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/fb30241f7ccace372ee83017891549f23a715581",
"url": "https://git.kernel.org/stable/c/fb30241f7ccace372ee83017891549f23a715581"
}
],
"release_date": "2026-09-11T19:44:20Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-64471",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btusb: fix use-after-free on registration failure\n\nMake sure to release the sibling interfaces in case controller\nregistration fails to avoid use-after-free and double-free when they are\neventually disconnected.\n\nThis issue was reported by Sashiko while reviewing a fix for a wakeup\nsource leak in the btusb probe errors paths.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-64471"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/14e02f1449ba425a44dedbec9a21efafb056e09f",
"url": "https://git.kernel.org/stable/c/14e02f1449ba425a44dedbec9a21efafb056e09f"
},
{
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"summary": "https://git.kernel.org/stable/c/1ce5012944afaddbda939ec6bae9800fce84abbc",
"url": "https://git.kernel.org/stable/c/1ce5012944afaddbda939ec6bae9800fce84abbc"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/468fcdfaeb937163dd250773a9fed17ab1fa203c",
"url": "https://git.kernel.org/stable/c/468fcdfaeb937163dd250773a9fed17ab1fa203c"
},
{
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"summary": "https://git.kernel.org/stable/c/8db0ce3de78367f61c2970c0f16d9adee8830a23",
"url": "https://git.kernel.org/stable/c/8db0ce3de78367f61c2970c0f16d9adee8830a23"
},
{
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"summary": "https://git.kernel.org/stable/c/da7d7758fe884b256ddc9fef562e5ddef7952383",
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"summary": "https://git.kernel.org/stable/c/e09ac7d0c6859a360bf36e7104aef03f88184e0b",
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"summary": "https://git.kernel.org/stable/c/e6313b800da61a26c2fdd5eba0105e197c0ab3bc",
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"url": "https://git.kernel.org/stable/c/eedc6867ebad73edbfaf9a0a65fbef7115cc4753"
}
],
"release_date": "2026-07-25T10:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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}
],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-81003",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/iucv: filter frames in afiucv_hs_rcv() by ingress device\n\nafiucv_hs_rcv() selects a socket from iucv_sk_list by matching four 8-byte\nname fields in the transport header alone. No check is made against the\nnet_device the frame arrived on.\n\nThis can cause a frame arriving on any netdev to be delivered to an AF_IUCV\nsocket. Three problems follow.\n\nFirst, a frame arriving over HiperSockets can be delivered to a socket\nbound to the classic z/VM IUCV transport, which has iucv->hs_dev == NULL.\niucv_sock_bind() takes the classic path whenever the requested userid\nmatches iucv_userid, even on a guest that also has a HiperSockets device\ncarrying the same identifier. The child socket created by\nafiucv_hs_callback_syn() for such a match inherits hs_dev = NULL and\ntransport = AF_IUCV_TRANS_HIPER, so the first send() on it returns -ENODEV.\nThe socket delivered to accept() is unusable.\n\nSecond, a frame arriving on one netdev can be delivered to a socket bound\nto a different IQD device. Which can lead to\n- Accept-queue exhaustion (DoS)\n- Attacker-controlled peer identity in the child socket\n- Data injection into existing sockets\n- Fabric noise on the IQD fabric, where bogus replies are sent\n- killing established connections\n\nThird, all AF_IUCV sockets live in init_net, as iucv_sock_alloc() calls\nsk_alloc(&init_net, ...). But even frames arriving on netdev devices in a\nnamespace can be delivered to an IUCV socket. So a process in an\nunprivileged user and network namespace holding only the CAP_NET_RAW\ncapability valid within that namespace can send a raw ETH_P_AF_IUCV frame\non its own lo device and have it matched against init_net sockets.\n\nFix all three by skipping any socket whose hs_dev does not match the\ningress device. A classic z/VM IUCV socket has hs_dev == NULL; the ingress\ndev is never NULL, so classic sockets are skipped automatically. An unbound\nHIPER socket also has hs_dev == NULL and is skipped. A bound HIPER socket\nis only reachable from the exact IQD device it was bound to. Because hs_dev\nis always a device in init_net (iucv_sock_bind() scans\nfor_each_netdev_rcu(&init_net, ...) exclusively), a frame whose ingress\ndevice belongs to another namespace never matches any socket.\n\nNote that AF_IUCV over HiperSockets provides no per-connection\nauthentication: no sequence numbers, no TLS, no nonce. The four name fields\nidentifying a connection are exchanged in plaintext on the shared\nHiperSockets segment (VCHID). Any host on the same HiperSockets segment\ncould spoof any frame type against an existing connection. That is a\nprotocol-level property unchanged by this patch. The fix reduces the attack\nsurface to peers present on the same HiperSockets segment.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-81003"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0a5af67e7184c6a0e155c317840bd64b37177af4",
"url": "https://git.kernel.org/stable/c/0a5af67e7184c6a0e155c317840bd64b37177af4"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/639828ad4d374056167391dbaffd13dd5e5e5ddb",
"url": "https://git.kernel.org/stable/c/639828ad4d374056167391dbaffd13dd5e5e5ddb"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/712330f8a4293cfd97b0d62b7c7dc01862a16b98",
"url": "https://git.kernel.org/stable/c/712330f8a4293cfd97b0d62b7c7dc01862a16b98"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/80230a18c164a4b5bbc048fe2768b219ac17bc5a",
"url": "https://git.kernel.org/stable/c/80230a18c164a4b5bbc048fe2768b219ac17bc5a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/8e3763f1ccac3fc395f9af2b87114c023ced8a3f",
"url": "https://git.kernel.org/stable/c/8e3763f1ccac3fc395f9af2b87114c023ced8a3f"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/92e5c281f1caa287bb58292f2687c9e3ff3aa23e",
"url": "https://git.kernel.org/stable/c/92e5c281f1caa287bb58292f2687c9e3ff3aa23e"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/a7f0130a091724e69827ab58e74777a88747e892",
"url": "https://git.kernel.org/stable/c/a7f0130a091724e69827ab58e74777a88747e892"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/dfac2936b83be00035ae176f8252e1c1e1de9207",
"url": "https://git.kernel.org/stable/c/dfac2936b83be00035ae176f8252e1c1e1de9207"
}
],
"release_date": "2026-09-11T19:42:56Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:42:56Z",
"details": "Affected",
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89671",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: gate nfs3 setacl by argp->mask\n\nnfsd3_proc_setacl() calls set_posix_acl() unconditionally for both\nACL_TYPE_ACCESS and ACL_TYPE_DEFAULT, passing argp->acl_access and\nargp->acl_default verbatim. The NFSv3 ACL decoder only populates\nthose pointers when the corresponding mask bit is set:\n\n nfs3svc_decode_setaclargs()\n if (args->mask & NFS_ACL) decode into acl_access\n if (args->mask & NFS_DFACL) decode into acl_default\n /* otherwise the pointer stays NULL (pc_argzero) */\n\n nfsd3_proc_setacl()\n set_posix_acl(.., ACL_TYPE_ACCESS, argp->acl_access)\n set_posix_acl(.., ACL_TYPE_DEFAULT, argp->acl_default)\n\nset_posix_acl(idmap, dentry, type, NULL) is the VFS \"remove this\nACL type\" operation. A NULL pointer that means \"the client did not\nsend this arm\" is therefore indistinguishable from \"the client\nasked to remove this ACL\". A SETACL with mask=NFS_ACL silently\ndrops the directory's default ACL; mask=0 drops both.\n\nThe sibling nfsd3_proc_getacl() already consults argp->mask before\ntouching each arm; mirror that in setacl.\n\nFix by wrapping each set_posix_acl() call in the matching mask bit\ncheck and initializing error to 0 before inode_lock so that a\nrequest with neither bit set leaves the on-disk ACLs untouched and\nreturns nfs_ok. The out_drop_lock path and the unconditional\nposix_acl_release() at out: are preserved; both NULL-tolerate the\nskipped arms.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89671"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3be1d8611dae4829e4608007db29f4a8748c37b2",
"url": "https://git.kernel.org/stable/c/3be1d8611dae4829e4608007db29f4a8748c37b2"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/453d7198a0ab07a12d46e0575861ac7b932da17e",
"url": "https://git.kernel.org/stable/c/453d7198a0ab07a12d46e0575861ac7b932da17e"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/68a80b26efdff1d09f8ae1773c6a915abb9e191d",
"url": "https://git.kernel.org/stable/c/68a80b26efdff1d09f8ae1773c6a915abb9e191d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b3bff820d068ea59767d4e91a3258231a879da5f",
"url": "https://git.kernel.org/stable/c/b3bff820d068ea59767d4e91a3258231a879da5f"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ff99ed007f065198fd723152405c22aa558f700b",
"url": "https://git.kernel.org/stable/c/ff99ed007f065198fd723152405c22aa558f700b"
}
],
"release_date": "2026-09-11T19:45:56Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:45:56Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89655",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nceph: fix UAF in __kick_flushing_caps() on cf entry freed during unlock\n\nlist_for_each_entry() iterates ci->i_cap_flush_list but drops\ni_ceph_lock to send cap messages. During the unlock window,\nhandle_cap_flush_ack() can acquire i_ceph_lock, detach cf entries\nwith tid <= flush_tid from the list, release i_ceph_lock, and free\nthem via ceph_free_cap_flush() outside any lock. When the original\nthread reacquires i_ceph_lock and the for-loop macro advances via\ncf = list_next_entry(cf, i_list), it dereferences cf->i_list.next\non freed memory.\n\nThe race timeline:\n\n __kick_flushing_caps() handle_cap_flush_ack()\n ----------------------- -----------------------\n holds i_ceph_lock <---\n iterates to cf (tid=10)\n prepares FLUSH message\n drops i_ceph_lock <---\n __send_cap() ── FLUSH(tid=10)\n\t MDS sends FLUSH_ACK(tid=10)\n ---> acquires i_ceph_lock\n cf->tid(10) <= flush_tid(10),\n detaches cf from i_cap_flush_list\n drops i_ceph_lock\n ceph_free_cap_flush(cf) <- frees it!\n acquires i_ceph_lock <---\n for-loop advances:\n cf = list_next_entry(cf, i_list)\n -- UAF on freed cf->i_list.next\n\nThe cf was just sent by __kick_flushing_caps itself via __send_cap().\nThe MDS may respond with FLUSH_ACK quickly enough that\nhandle_cap_flush_ack() frees cf before __kick_flushing_caps can\nfinish the iteration.\n\nFix by converting to a manual while loop: save the next pointer\nunder i_ceph_lock before dropping it, then use the saved pointer\nafter reacquiring, so the potentially-freed cf is never accessed again.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89655"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/01542430081014d80fc9e70e92d6647432ddb7fc",
"url": "https://git.kernel.org/stable/c/01542430081014d80fc9e70e92d6647432ddb7fc"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/091137821e1fc88f37e15201abf055c9494ddc61",
"url": "https://git.kernel.org/stable/c/091137821e1fc88f37e15201abf055c9494ddc61"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/19f16f04c2b014a7dd214dc1e42557d8530b16f3",
"url": "https://git.kernel.org/stable/c/19f16f04c2b014a7dd214dc1e42557d8530b16f3"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/23eb34a53a53cb1a6dab1eeee830633207ac158d",
"url": "https://git.kernel.org/stable/c/23eb34a53a53cb1a6dab1eeee830633207ac158d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2701431aa3cc8b23efe6890182e7b04f5e76fab5",
"url": "https://git.kernel.org/stable/c/2701431aa3cc8b23efe6890182e7b04f5e76fab5"
},
{
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"summary": "https://git.kernel.org/stable/c/2dba24dcd5050be4b7b119e6f0b01f62203b5d26",
"url": "https://git.kernel.org/stable/c/2dba24dcd5050be4b7b119e6f0b01f62203b5d26"
},
{
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"summary": "https://git.kernel.org/stable/c/7af4c4f01305b0935adf6d4301b1ec407025485d",
"url": "https://git.kernel.org/stable/c/7af4c4f01305b0935adf6d4301b1ec407025485d"
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"url": "https://git.kernel.org/stable/c/fe46746087b5b9c5bb2d022df6c7819218494ced"
}
],
"release_date": "2026-09-11T19:45:44Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89549",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nsunrpc: route to a populated pool in svc_pool_for_cpu()\n\nsvc_set_num_threads() spreads the requested threads evenly across the\nservice's pools (base = nrservs / sv_nrpools). When a service runs\nfewer threads than it has pools -- e.g. an nfsd configured with fewer\nthreads than the host has NUMA nodes while running in \"pernode\" or\n\"percpu\" mode -- the trailing pools are left with no threads at all.\n\nsvc_xprt_enqueue() selects a pool from the CPU servicing the transport,\nqueues the transport on that pool's sp_xprts, and only wakes a thread\nfrom the same pool. Each thread services exclusively its own pool, so a\ntransport that lands on a threadless pool is enqueued on sp_xprts and\nnever picked up: the connection hangs indefinitely.\n\nHave svc_pool_for_cpu() skip pools that currently have no threads,\nfalling back to the next populated pool. This trades NUMA locality for\na guarantee that the work is actually serviced. sp_nrthreads is only\nupdated under the service mutex; the lockless read here is a best-effort\nrouting hint, so annotate it with data_race().",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89549"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/011479cf9a7657d4a3e7cc42a784ac63df594170",
"url": "https://git.kernel.org/stable/c/011479cf9a7657d4a3e7cc42a784ac63df594170"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/6f66d38e2a6c78d48723ea17ad86135ec80ca24b",
"url": "https://git.kernel.org/stable/c/6f66d38e2a6c78d48723ea17ad86135ec80ca24b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/8f766d2d0b4dabf54f8b35812df2b4f481d13316",
"url": "https://git.kernel.org/stable/c/8f766d2d0b4dabf54f8b35812df2b4f481d13316"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/9accc25e5af0bac8479f6054e674b2c593c45281",
"url": "https://git.kernel.org/stable/c/9accc25e5af0bac8479f6054e674b2c593c45281"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/9d04d64ad192439835ed9884d767353061c3ed6f",
"url": "https://git.kernel.org/stable/c/9d04d64ad192439835ed9884d767353061c3ed6f"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/d79d7b9e8acbb53e2d60f6b24afc13e2f15e691f",
"url": "https://git.kernel.org/stable/c/d79d7b9e8acbb53e2d60f6b24afc13e2f15e691f"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/edb20e8c03aebacb409968c99d046f509c6c485a",
"url": "https://git.kernel.org/stable/c/edb20e8c03aebacb409968c99d046f509c6c485a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/f6310491c4cdb88af73aa551ec9df1f10a90c709",
"url": "https://git.kernel.org/stable/c/f6310491c4cdb88af73aa551ec9df1f10a90c709"
}
],
"release_date": "2026-09-11T19:44:23Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:44:23Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-64543",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix use-after-free of the discoverer in tipc_disc_rcv()\n\nbearer_disable() frees b->disc with tipc_disc_delete()'s plain kfree(),\nbut tipc_disc_rcv() still dereferences b->disc in RX softirq under\nrcu_read_lock() (tipc_udp_recv -> tipc_rcv -> tipc_disc_rcv).\n\nL2 bearers are safe thanks to the synchronize_net() in\ntipc_disable_l2_media(), but the UDP bearer defers that call to the\ncleanup_bearer() workqueue, so the discoverer is freed with no grace\nperiod:\n\n BUG: KASAN: slab-use-after-free in tipc_disc_rcv (net/tipc/discover.c:149)\n Read of size 8 at addr ffff88802348b728 by task poc_tipc/184\n \n tipc_disc_rcv (net/tipc/discover.c:149)\n tipc_rcv (net/tipc/node.c:2126)\n tipc_udp_recv (net/tipc/udp_media.c:391)\n udp_rcv (net/ipv4/udp.c:2643)\n ip_local_deliver_finish (net/ipv4/ip_input.c:241)\n \n Freed by task 181:\n kfree (mm/slub.c:6565)\n bearer_disable (net/tipc/bearer.c:418)\n tipc_nl_bearer_disable (net/tipc/bearer.c:1001)\n\nThe bearer is freed with kfree_rcu(); free the discoverer the same way.\nAdd an rcu_head to struct tipc_discoverer and free it and its skb from an\nRCU callback.\n\nBecause the RCU callback (tipc_disc_free_rcu) lives in module text, a\ncall_rcu() that is still pending when the tipc module is unloaded would\ninvoke a freed function. Add an rcu_barrier() to tipc_exit() after the\nbearer subsystem has been torn down, so all pending discoverer callbacks\nhave run before the module text goes away.\n\nReachable from an unprivileged user namespace: the TIPCv2 genl family is\nnetnsok and its bearer commands have no GENL_ADMIN_PERM. Needs CONFIG_TIPC\nand CONFIG_TIPC_MEDIA_UDP.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-64543"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/1579342d71133da7f00daa02c75cebec7372097b",
"url": "https://git.kernel.org/stable/c/1579342d71133da7f00daa02c75cebec7372097b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/380413cdfd29fb9fa486c82889132b680c4983c5",
"url": "https://git.kernel.org/stable/c/380413cdfd29fb9fa486c82889132b680c4983c5"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4da2ac7749411971e1b222b992da5a172ce45f98",
"url": "https://git.kernel.org/stable/c/4da2ac7749411971e1b222b992da5a172ce45f98"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/5e215bf1c47fdddf8203a0fe80a0ed594065f101",
"url": "https://git.kernel.org/stable/c/5e215bf1c47fdddf8203a0fe80a0ed594065f101"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/a0c5fdeb5fa257f8c6d469af266bc087cb5de6a2",
"url": "https://git.kernel.org/stable/c/a0c5fdeb5fa257f8c6d469af266bc087cb5de6a2"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b65289e1c3f352a9f92c6e19713ddd647e033253",
"url": "https://git.kernel.org/stable/c/b65289e1c3f352a9f92c6e19713ddd647e033253"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ec7d54d8cc1723921d671e3272b427c96366506f",
"url": "https://git.kernel.org/stable/c/ec7d54d8cc1723921d671e3272b427c96366506f"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/f05b3f4c78370469286879c765f5a1dd39dbcd32",
"url": "https://git.kernel.org/stable/c/f05b3f4c78370469286879c765f5a1dd39dbcd32"
}
],
"release_date": "2026-07-27T21:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
"category": "none_available",
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89477",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: fix NULL deref on untransmitted RECONF completion\n\nsctp_process_strreset_outreq(), sctp_process_strreset_addstrm_out() and\nsctp_process_strreset_resp() complete a pending stream reconfiguration\nrequest by stopping the reconf timer on the transport it was sent on:\n\n\tt = asoc->strreset_chunk->transport;\n\tif (timer_delete(&t->reconf_timer))\n\t\tsctp_transport_put(t);\n\nchunk->transport is assigned by __sctp_packet_append_chunk() when the\nchunk is appended to an outbound packet, and sctp_outq_flush_ctrl() arms\nthe reconf timer at that same point. A request already published in\nasoc->strreset_chunk but not yet transmitted has neither, so completing\nit dereferences NULL.\n\nTwo ways to get there. sctp_send_asconf_del_ip() sets\nasoc->src_out_of_asoc_ok without sending anything when the address being\nremoved is the association's last one, and sctp_outq_flush_ctrl() then\nleaves every non-ASCONF control chunk queued; as only\nsctp_process_asconf_ack() clears that flag, it persists. An unprivileged\nprocess that removes such an address and then asks for a stream reset\npanics the kernel from softirq. A peer needs neither ASCONF nor local\nhelp: sctp_cmd_interpreter() uncorks the outqueue only once the whole\npacket has been processed, so a reply built while walking a RECONF chunk\nstays untransmitted for the rest of that walk, and one RECONF chunk\ncarrying [Incoming SSN Reset Request, Outgoing SSN Reset Request,\nResponse] -- or two RECONF chunks in one packet -- reaches the same\ndereference.\n\n KASAN: null-ptr-deref in range [0x00000000000001e8-0x00000000000001ef]\n RIP: 0010:timer_delete+0x67/0x110\n Call Trace:\n \n sctp_process_strreset_addstrm_out (net/sctp/stream.c:832)\n sctp_sf_do_reconf (net/sctp/sm_statefuns.c:4212)\n sctp_do_sm (net/sctp/sm_sideeffect.c:1172)\n sctp_assoc_bh_rcv (net/sctp/associola.c:1044)\n sctp_rcv (net/sctp/input.c:243)\n ip_local_deliver (net/ipv4/ip_input.c:262)\n process_backlog (net/core/dev.c:6680)\n \n\nA response can only acknowledge a request that was actually sent, so do\nnot match asoc->strreset_chunk while chunk->transport is NULL. Guarding\nthe lookup covers all three completion sites.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89477"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0ee697defc0594f1da810ed75d9d643fb46f5318",
"url": "https://git.kernel.org/stable/c/0ee697defc0594f1da810ed75d9d643fb46f5318"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/25419f516ea84b1e7d3d55aae5215ac86ece0c66",
"url": "https://git.kernel.org/stable/c/25419f516ea84b1e7d3d55aae5215ac86ece0c66"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2db9bfa3e27bdea15e05ea70b56bad3d21e570ec",
"url": "https://git.kernel.org/stable/c/2db9bfa3e27bdea15e05ea70b56bad3d21e570ec"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/53141db979687eae7dc6d29414cefc77034f967e",
"url": "https://git.kernel.org/stable/c/53141db979687eae7dc6d29414cefc77034f967e"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/68891125af5a5dfbca728809a16637a869bbe0df",
"url": "https://git.kernel.org/stable/c/68891125af5a5dfbca728809a16637a869bbe0df"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/77ea60f2d24002c308f224db44a4542c466489af",
"url": "https://git.kernel.org/stable/c/77ea60f2d24002c308f224db44a4542c466489af"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/79ff751311e80fa0370007e46a79a6d601685e75",
"url": "https://git.kernel.org/stable/c/79ff751311e80fa0370007e46a79a6d601685e75"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b2d6d873b4dfb5b84194061c4b40a1cd85b92ca4",
"url": "https://git.kernel.org/stable/c/b2d6d873b4dfb5b84194061c4b40a1cd85b92ca4"
}
],
"release_date": "2026-09-11T19:43:33Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:43:33Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-64009",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: Check for underflow in xfrm_state_mtu\n\nLeo Lin reported OOB write issue in esp component:\n\n xfrm_state_mtu() returns u32 but performs its arithmetic in unsigned\n modulo-2^32 space using an attacker-influenced \"header_len + authsize +\n net_adj\" subtracted from a small \"mtu\" argument. A nobody user can\n install an IPv4 ESP tunnel SA with a large authentication key\n (XFRMA_ALG_AUTH_TRUNC, e.g. hmac(sha512), 64-byte key, 64-byte trunc),\n configure a small interface MTU (68 bytes), and set XFRMA_TFCPAD to a\n large value. When a single UDP datagram is then sent through the\n tunnel, xfrm_state_mtu() underflows to a near-2^32 value, and\n esp_output() consumes it as a signed int via:\n\n padto = min(x->tfcpad, xfrm_state_mtu(x, mtu_cached))\n esp.tfclen = padto - skb->len (assigned to int)\n\n esp.tfclen ends up negative (e.g. -207). It is sign-extended to size_t\n when passed to memset() inside esp_output_fill_trailer(), producing a\n ~16 EB write of zeroes at skb_tail_pointer(skb). KASAN logs it as\n \"Write of size 18446744073709551537 at addr ffff888...\".\n\nCheck for underflow and return 1. This causes the sendmsg attempt to\nfail with ENETUNREACH.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-64009"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/1021d2877b689a648b27815c854557a917122e93",
"url": "https://git.kernel.org/stable/c/1021d2877b689a648b27815c854557a917122e93"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2a41b1b31c61c52b972278ce1732a1443f5e89ed",
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},
{
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},
{
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},
{
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"url": "https://git.kernel.org/stable/c/82ac903e0b519849647657b8c48d21237ada06a2"
},
{
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"summary": "https://git.kernel.org/stable/c/fccd685b32df5aaf6bad4381eeda216468e283f0",
"url": "https://git.kernel.org/stable/c/fccd685b32df5aaf6bad4381eeda216468e283f0"
}
],
"release_date": "2026-07-19T16:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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},
{
"category": "none_available",
"date": "2026-07-19T16:17:00Z",
"details": "Affected",
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89487",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nopenvswitch: only skb_tx_error() a packet we are about to drop\n\nqueue_userspace_packet() borrows the packet skb -- it only copies it into\na private netlink message (user_skb) and does not own it; on return\ndo_execute_actions() keeps forwarding it through the flow's remaining\nactions. Its error path nevertheless calls skb_tx_error(skb), which via\nskb_zcopy_clear() does skb_shinfo(skb)->flags &= ~SKBFL_ALL_ZEROCOPY,\nstripping SKBFL_SHARED_FRAG from that live skb (skb_tx_error()'s kerneldoc\nsays \"skb must be freed afterwards\").\n\nFor a MSG_ZEROCOPY skb carrying page-cache frags, SKBFL_SHARED_FRAG is\nwhat makes esp_input() skb_cow_data() before in-place AEAD; once it is\nstripped a later local ESP-in-UDP delivery decrypts in place over pages\nthe sender does not own -- an unprivileged page-cache write (the\n\"Fragnesia\" primitive).\ndo_execute_actions() ignores output_userspace()'s return value, so any\naction after a failed USERSPACE upcall inherits the stripped skb.\n\nMove the skb_tx_error() to the flow-miss drop path - the \"default\"\nbranch of ovs_dp_process_packet()'s switch(error), before kfree_skb().\n\nThe call has been here since commit 36d5fe6a0007 (\"core, nfqueue,\nopenvswitch: Orphan frags in skb_zerocopy and handle errors\") but was\nharmless until esp_input() began relying on SKBFL_SHARED_FRAG to gate\nin-place decrypt; only then did stripping it on a still-forwarded skb\nbecome a page-cache write primitive.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89487"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0dbc2398fca3bb33eda963849f865ddb1b3aa05e",
"url": "https://git.kernel.org/stable/c/0dbc2398fca3bb33eda963849f865ddb1b3aa05e"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4477222e2916a18e273edc139c955ade6bbb7a69",
"url": "https://git.kernel.org/stable/c/4477222e2916a18e273edc139c955ade6bbb7a69"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/48db11e115d1b232edc5591604adc6eda95cd545",
"url": "https://git.kernel.org/stable/c/48db11e115d1b232edc5591604adc6eda95cd545"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4d5c460ef8754be1d43b16dbf02695b008b207d6",
"url": "https://git.kernel.org/stable/c/4d5c460ef8754be1d43b16dbf02695b008b207d6"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/5d85eef222cfd28e73deed7402c100229e8b9e6e",
"url": "https://git.kernel.org/stable/c/5d85eef222cfd28e73deed7402c100229e8b9e6e"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/5de5d554141a15b3f1f5c978fd9f7f4fd6d0600a",
"url": "https://git.kernel.org/stable/c/5de5d554141a15b3f1f5c978fd9f7f4fd6d0600a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/6767d70cf46f65807a6a4c4406a518e6c12e36ae",
"url": "https://git.kernel.org/stable/c/6767d70cf46f65807a6a4c4406a518e6c12e36ae"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/e41a59fc056f63a7a1f42788913c53cc48d744aa",
"url": "https://git.kernel.org/stable/c/e41a59fc056f63a7a1f42788913c53cc48d744aa"
}
],
"release_date": "2026-09-11T19:43:40Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-80947",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtl8xxxu: fix use-after-free from rx_urb_wq on stop\n\nrtl8xxxu arms rx_urb_wq from the RX completion path:\nrtl8xxxu_rx_complete() hands the URB to rtl8xxxu_queue_rx_urb(), which\nqueues it on rx_urb_pending_list and, once the list grows past\nRTL8XXXU_RX_URB_PENDING_WATER, schedules rx_urb_wq. The worker\nrtl8xxxu_rx_urb_work() drains rx_urb_pending_list, recovers priv through\ncontainer_of, and resubmits each URB through rtl8xxxu_submit_rx_urb(),\nwhich anchors it on rx_anchor and dereferences priv->udev.\n\nrtl8xxxu_stop() cancels the sibling work items (c2hcmd_work, ra_watchdog,\nupdate_beacon_work) but never cancels rx_urb_wq, so a worker armed during\nthe last burst of RX traffic can run rtl8xxxu_rx_urb_work() after\nrtl8xxxu_disconnect() has called ieee80211_free_hw(), which frees priv,\nproducing a use-after-free. The window opens under active RX traffic\n(pending count above the watermark) followed by a disconnect.\n\nThere are two teardown races to close:\n\n * rtl8xxxu_queue_rx_urb() decided whether to enqueue under rx_urb_lock\n but called schedule_work() after dropping the lock. A completion\n that observed shutdown == false and released the lock could then call\n schedule_work() after rtl8xxxu_stop() had set shutdown and\n cancel_work_sync() had already returned, arming the worker to run\n after the teardown. Move schedule_work() under the same !shutdown\n branch so the arming decision is atomic with the shutdown check.\n\n * rtl8xxxu_rx_urb_work() anchors every URB it drained back onto\n rx_anchor through rtl8xxxu_submit_rx_urb(). A worker still running\n when usb_kill_anchored_urbs(&priv->rx_anchor) returned would submit a\n URB that escaped the kill. In rtl8xxxu_stop(), call\n cancel_work_sync(&priv->rx_urb_wq) before the kill so the worker is\n drained first.\n\nAfter priv->shutdown is set under rx_urb_lock, completions can no longer\nqueue rx_urb_wq. cancel_work_sync() then drains the last queued or running\nworker, and the following usb_kill_anchored_urbs() kills the URBs it may\nhave submitted.\n\nrtl8xxxu_disconnect() is covered because ieee80211_unregister_hw()\nguarantees .stop() runs for a live interface before ieee80211_free_hw()\nfrees priv. The probe error path needs no cancel: rx_urb_wq is\nINIT_WORK()'d there but cannot have been scheduled, since no URB is\nsubmitted before ieee80211_register_hw() succeeds.\n\nThis bug was found by static analysis.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-80947"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/620acb1e8037b73a457dc8ef20fc23fc7adcb405",
"url": "https://git.kernel.org/stable/c/620acb1e8037b73a457dc8ef20fc23fc7adcb405"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/6c080026ecc17eecb103f8927c64ea73a74bb818",
"url": "https://git.kernel.org/stable/c/6c080026ecc17eecb103f8927c64ea73a74bb818"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/800d2b490a9af1e7132a3564c2ad5a81292e5b40",
"url": "https://git.kernel.org/stable/c/800d2b490a9af1e7132a3564c2ad5a81292e5b40"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/972ab8b9c08f3eb3fa535082de2950dd93604dfd",
"url": "https://git.kernel.org/stable/c/972ab8b9c08f3eb3fa535082de2950dd93604dfd"
}
],
"release_date": "2026-09-11T19:42:18Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:42:18Z",
"details": "Affected",
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-80948",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start()\n\nIn iwl_op_mode_dvm_start(), jumping to out_free_eeprom currently bypasses\nthe out_free_eeprom_blob label. Consequently, error paths triggered after\nsuccessfully parsing the EEPROM free priv->nvm_data but leak\npriv->eeprom_blob.\n\nFix this memory leak by reordering the error handling labels so\nthat out_free_eeprom falls through to out_free_eeprom_blob.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still\npresent in v7.1-rc6.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have\nsupported Intel DVM wireless hardware and firmware to test with, no\nruntime testing was able to be performed.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-80948"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/67105abd6195a685a84dcb8a5daf54a1f4bfdb60",
"url": "https://git.kernel.org/stable/c/67105abd6195a685a84dcb8a5daf54a1f4bfdb60"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/84ba017a1e1ea7896ed1e3258c947bdbfc5299c5",
"url": "https://git.kernel.org/stable/c/84ba017a1e1ea7896ed1e3258c947bdbfc5299c5"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ad2a9fdca4a7100472be82ee6048c616fc589720",
"url": "https://git.kernel.org/stable/c/ad2a9fdca4a7100472be82ee6048c616fc589720"
}
],
"release_date": "2026-09-11T19:42:19Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:42:19Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-64546",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/edid: fix OOB read in drm_parse_tiled_block()\n\ndrm_parse_tiled_block() casts the DisplayID block to a\nstruct displayid_tiled_block and reads the full fixed layout up to\ntile->topology_id[7] without checking block->num_bytes. The DisplayID\niterator only validates the declared payload length, so a crafted EDID\ncan advertise a tiled-display block (tag DATA_BLOCK_TILED_DISPLAY, or\nDATA_BLOCK_2_TILED_DISPLAY_TOPOLOGY for v2.0) with a small num_bytes at\nthe end of a DisplayID extension. The read then runs past the end of the\nexact-sized kmemdup()'d EDID allocation, a heap out-of-bounds read.\n\nReject blocks shorter than the spec's 22-byte tiled payload before\nreading the fixed struct, as drm_parse_vesa_mso_data() already does.\n\n BUG: KASAN: slab-out-of-bounds in drm_edid_connector_update\n Read of size 2 at addr ffff888010077700 by task exploit/147\n dump_stack_lvl (lib/dump_stack.c:94 ...)\n print_report (mm/kasan/report.c:378 ...)\n kasan_report (mm/kasan/report.c:595)\n drm_edid_connector_update (drivers/gpu/drm/drm_edid.c:7581)\n bochs_connector_helper_get_modes (drivers/gpu/drm/tiny/bochs.c:574)\n drm_helper_probe_single_connector_modes (drivers/gpu/drm/drm_probe_helper.c:426)\n status_store (drivers/gpu/drm/drm_sysfs.c:219)\n ...\n vfs_write (fs/read_write.c:595 fs/read_write.c:688)\n ksys_write (fs/read_write.c:740)",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-64546"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/157727131ce8a52d8d9bc676c372ef82db6436c4",
"url": "https://git.kernel.org/stable/c/157727131ce8a52d8d9bc676c372ef82db6436c4"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4137e1ecec9c8cb6c4fcee28ffabbbc7409eb7fb",
"url": "https://git.kernel.org/stable/c/4137e1ecec9c8cb6c4fcee28ffabbbc7409eb7fb"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4f5484d25f85ad6c989bad5f6a43450cecfcfd28",
"url": "https://git.kernel.org/stable/c/4f5484d25f85ad6c989bad5f6a43450cecfcfd28"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/9acd5c1ddc17ca4c5ffa0c373e3fdf480506e061",
"url": "https://git.kernel.org/stable/c/9acd5c1ddc17ca4c5ffa0c373e3fdf480506e061"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/9cc0f8e63e8c34cf43def35cbd305ba711181a1f",
"url": "https://git.kernel.org/stable/c/9cc0f8e63e8c34cf43def35cbd305ba711181a1f"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/bfa05d89dc3ca3fb1a9099ef5185549a5ec8490d",
"url": "https://git.kernel.org/stable/c/bfa05d89dc3ca3fb1a9099ef5185549a5ec8490d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/c4ab04ca1bbf87eefa9fec5c80e1880450d2e7c0",
"url": "https://git.kernel.org/stable/c/c4ab04ca1bbf87eefa9fec5c80e1880450d2e7c0"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/faaa1e1155833e7d4ce7e3cfaf64c0d636b190db",
"url": "https://git.kernel.org/stable/c/faaa1e1155833e7d4ce7e3cfaf64c0d636b190db"
}
],
"release_date": "2026-07-27T21:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89552",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nparams: fix charp corruption on allocation failure\n\nparam_set_charp() stores charp parameters in allocated memory after slab is\navailable, and releases the previous value when the parameter is updated.\n\nThe previous value is released before the replacement allocation succeeds.\nIf kmalloc_parameter() fails, the setter returns -ENOMEM with the parameter\nleft as NULL.\n\nFailing zswap's compressor update before zswap is initialized can later\ntrigger:\n\n BUG: kernel NULL pointer dereference, address: 0000000000000000\n RIP: 0010:strcmp+0x10/0x30\n Call Trace:\n zswap_setup+0x3b1/0x490\n zswap_enabled_param_set+0x5b/0xa0\n param_attr_store+0x93/0xe0\n module_attr_store+0x1c/0x30\n kernfs_fop_write_iter+0x116/0x1f0\n\nAllocate and copy the replacement first, then replace the parameter value\nonly after allocation succeeds.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89552"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0d8e2404925a0607ffec79a53170715a46936896",
"url": "https://git.kernel.org/stable/c/0d8e2404925a0607ffec79a53170715a46936896"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3dfaae04243cde460d82dfc2a7dd0bb6664d20ae",
"url": "https://git.kernel.org/stable/c/3dfaae04243cde460d82dfc2a7dd0bb6664d20ae"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/614f873268c5b172804c9af6639bd17b7e1e2359",
"url": "https://git.kernel.org/stable/c/614f873268c5b172804c9af6639bd17b7e1e2359"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/704ecd010d4a9b33160e40b74eb402f6b86a18e0",
"url": "https://git.kernel.org/stable/c/704ecd010d4a9b33160e40b74eb402f6b86a18e0"
}
],
"release_date": "2026-09-11T19:44:26Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
"category": "none_available",
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89478",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: drop a chunk if its transport was removed\n\nsctp_rcv() resolves the transport once per packet and leaves it in\nchunk->transport. The lookup reference, or the one sctp_add_backlog() takes\nif the socket is owned by userspace, keeps it around until the chunk has\nbeen processed.\n\nAn authenticated ASCONF DEL-IP can remove it in the meantime.\nsctp_assoc_rm_peer() takes the transport out of the association and calls\nsctp_transport_free(), which tags it dead and drops the reference the\nassociation held. There is a window on both paths: the packet can sit on\nthe socket backlog, and on the direct path the lookup completes before\nbh_lock_sock().\n\nThe DATA chunk in that packet puts the removed transport back into\nasoc->peer.last_data_from. Once the packet is done that reference goes\naway and the transport is freed by RCU, so the next delayed SACK carries\nthe pointer into the SACK chunk and sctp_outq_select_transport() reads the\nfreed transport's state.\n\nDrop the chunk in sctp_inq_push(), next to the existing rcvr->dead check.\nBoth paths reach it with the association's socket lock held. The peer\nretransmits it.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89478"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/03a9d10ecf71f54b2af8020935f2033d4a132be5",
"url": "https://git.kernel.org/stable/c/03a9d10ecf71f54b2af8020935f2033d4a132be5"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0422b092a3d43ca462932ff9f747731ca078d1d4",
"url": "https://git.kernel.org/stable/c/0422b092a3d43ca462932ff9f747731ca078d1d4"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/1035bdef1efb9b1076d1a57b81e08c637ff08ecc",
"url": "https://git.kernel.org/stable/c/1035bdef1efb9b1076d1a57b81e08c637ff08ecc"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3537961df2163258bddc230db0e18dc14e925ea6",
"url": "https://git.kernel.org/stable/c/3537961df2163258bddc230db0e18dc14e925ea6"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3fc072e7cb4a0ff251d13cfc2d24f62489cd9386",
"url": "https://git.kernel.org/stable/c/3fc072e7cb4a0ff251d13cfc2d24f62489cd9386"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/928fd7920ba37cc5637a211b9be979083413a2fa",
"url": "https://git.kernel.org/stable/c/928fd7920ba37cc5637a211b9be979083413a2fa"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/c6c86a5e62a4fec36692ddd64b9144b660f71f96",
"url": "https://git.kernel.org/stable/c/c6c86a5e62a4fec36692ddd64b9144b660f71f96"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/d7cb5ad832095dc4becfdb2a36007ffd50e49fb0",
"url": "https://git.kernel.org/stable/c/d7cb5ad832095dc4becfdb2a36007ffd50e49fb0"
}
],
"release_date": "2026-09-11T19:43:34Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:43:34Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89699",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: validate symlink target length in NFSv4 CREATE\n\nnfsd4_decode_create() accepts an unbounded cr_datalen from the wire for\nNF4LNK symlink targets, allowing a client to force a kmalloc of up to\nthe maximum RPC payload size (several MiB) per COMPOUND op that persists\nuntil compound teardown. The VFS rejects oversized targets with\nENAMETOOLONG, but the allocation has already occurred.\n\nReject cr_datalen == 0 early with nfserr_inval and cr_datalen greater\nthan NFS4_MAXPATHLEN (PATH_MAX) with nfserr_nametoolong to bound the\nallocation.",
"title": "Vulnerability description"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89699"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/041f57056e5fb9c80adc088269322d2c61074406",
"url": "https://git.kernel.org/stable/c/041f57056e5fb9c80adc088269322d2c61074406"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/36011308b3f01ce7dc9954f3cefcbb5291af9f95",
"url": "https://git.kernel.org/stable/c/36011308b3f01ce7dc9954f3cefcbb5291af9f95"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3ef5e7a01a4d74995a65496bc9166d1e980a4355",
"url": "https://git.kernel.org/stable/c/3ef5e7a01a4d74995a65496bc9166d1e980a4355"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/45ec115cbfecb4b3cfab7fca6f73d1b60696a25a",
"url": "https://git.kernel.org/stable/c/45ec115cbfecb4b3cfab7fca6f73d1b60696a25a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/8661d3cb38fd148947e57dbc0871fd4d3fa33bbf",
"url": "https://git.kernel.org/stable/c/8661d3cb38fd148947e57dbc0871fd4d3fa33bbf"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/888dad4b557352cf85be31613407b5ba51ad07d1",
"url": "https://git.kernel.org/stable/c/888dad4b557352cf85be31613407b5ba51ad07d1"
},
{
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"summary": "https://git.kernel.org/stable/c/895a485cd3758031ef9993c0d53cf19ce8fb4ccc",
"url": "https://git.kernel.org/stable/c/895a485cd3758031ef9993c0d53cf19ce8fb4ccc"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b24843ea3de1676b29902457b38507c95a80649b",
"url": "https://git.kernel.org/stable/c/b24843ea3de1676b29902457b38507c95a80649b"
}
],
"release_date": "2026-09-11T19:46:17Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-74469",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: prevent peer transport count overflow\n\nsctp_assoc_add_peer() increments the association's 16-bit transport_count\nfor every new unique peer. Adding the 65,536th transport wraps the count to\nzero.\n\nSCTP sock_diag uses transport_count to reserve the INET_DIAG_PEERS payload,\nthen copies one sockaddr_storage for every entry in transport_addr_list.\nAfter the wrap, a diagnostic dump reserves an empty payload and writes\n8 MiB of peer addresses past the skb tail.\n\nReject a new unique peer when transport_count has reached U16_MAX. Perform\nthe check after the existing-peer lookup so a duplicate address continues\nto return its existing transport at the limit.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-74469"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/09e722030e8148ba4ed1e42c6b2ea57bda9f9895",
"url": "https://git.kernel.org/stable/c/09e722030e8148ba4ed1e42c6b2ea57bda9f9895"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4ba5bf7ed50f235ea4581de8e7a0002f4ed287b0",
"url": "https://git.kernel.org/stable/c/4ba5bf7ed50f235ea4581de8e7a0002f4ed287b0"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/546221b86ceeba0d8fec92d46a0604bb7b62be07",
"url": "https://git.kernel.org/stable/c/546221b86ceeba0d8fec92d46a0604bb7b62be07"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/6201cd1d70f1670c5b31ac506e7ab2fa7b8e7f75",
"url": "https://git.kernel.org/stable/c/6201cd1d70f1670c5b31ac506e7ab2fa7b8e7f75"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/80f48523a0fe42db2e7375dff4e38a25c117090a",
"url": "https://git.kernel.org/stable/c/80f48523a0fe42db2e7375dff4e38a25c117090a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b453e00da1211e997b82743d28af7714c59c05c8",
"url": "https://git.kernel.org/stable/c/b453e00da1211e997b82743d28af7714c59c05c8"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/bd0e9289e2642f6a5c54faad304ce0f41e926d22",
"url": "https://git.kernel.org/stable/c/bd0e9289e2642f6a5c54faad304ce0f41e926d22"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/dfea32dd76f390e3155177b0038cc47b01386198",
"url": "https://git.kernel.org/stable/c/dfea32dd76f390e3155177b0038cc47b01386198"
}
],
"release_date": "2026-08-15T13:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-63815",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: bound i_inline_xattr_size for non-inline-xattr inodes\n\nWhen the flexible_inline_xattr feature is enabled, do_read_inode() loads\nthe on-disk i_inline_xattr_size unconditionally:\n\n\tif (f2fs_sb_has_flexible_inline_xattr(sbi))\n\t\tfi->i_inline_xattr_size = le16_to_cpu(ri->i_inline_xattr_size);\n\nbut sanity_check_inode() only range-checks it when the inode also has the\nFI_INLINE_XATTR flag set. An inode that carries an inline dentry or inline\ndata but not FI_INLINE_XATTR -- the normal layout for an inline\ndirectory -- therefore keeps a fully attacker-controlled\ni_inline_xattr_size from a crafted image.\n\nget_inline_xattr_addrs() returns that value with no flag gating, so it\nfeeds the inode geometry:\n\n\tMAX_INLINE_DATA() = 4 * (CUR_ADDRS_PER_INODE - i_inline_xattr_size - 1)\n\tNR_INLINE_DENTRY() = MAX_INLINE_DATA() * BITS_PER_BYTE / (...)\n\taddrs_per_page() = CUR_ADDRS_PER_INODE - i_inline_xattr_size\n\nA large i_inline_xattr_size drives MAX_INLINE_DATA() and NR_INLINE_DENTRY()\nnegative, so make_dentry_ptr_inline() sets d->max (int) to a negative\nvalue. The inline directory walk then compares an unsigned long bit_pos\nagainst that negative d->max, which is promoted to a huge unsigned bound,\nand reads far past the inline area:\n\n\twhile (bit_pos < d->max)\t\t/* fs/f2fs/dir.c */\n\t\t... test_bit_le(bit_pos, d->bitmap) / d->dentry[bit_pos] ...\n\nMounting a crafted image and reading such a directory triggers an\nout-of-bounds read in f2fs_fill_dentries(); the same underflow also\ncorrupts ADDRS_PER_INODE for regular files.\n\nValidate i_inline_xattr_size against MAX_INLINE_XATTR_SIZE whenever the\nflexible_inline_xattr feature is enabled -- i.e. whenever the value is\nloaded from disk and consumed -- and keep the lower MIN_INLINE_XATTR_SIZE\nbound gated on inodes that actually carry an inline xattr, so legitimate\ninodes with i_inline_xattr_size == 0 are still accepted.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-63815"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/16bc237ce3c483b75575abea53cfb639745311ed",
"url": "https://git.kernel.org/stable/c/16bc237ce3c483b75575abea53cfb639745311ed"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2a9f9791653ba5ed3fb45bbffa8d63a7cd5cf706",
"url": "https://git.kernel.org/stable/c/2a9f9791653ba5ed3fb45bbffa8d63a7cd5cf706"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/378acf3cf19b6af6cba55e8dd1154c4e1504bae8",
"url": "https://git.kernel.org/stable/c/378acf3cf19b6af6cba55e8dd1154c4e1504bae8"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3c8d6b4093aea40a20596f452289e7c22d84e6d5",
"url": "https://git.kernel.org/stable/c/3c8d6b4093aea40a20596f452289e7c22d84e6d5"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4ce2d52f680c1d8bfdad7cce05b815ea7ca9790d",
"url": "https://git.kernel.org/stable/c/4ce2d52f680c1d8bfdad7cce05b815ea7ca9790d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/76e1a05cf6d4051931d7fa4ead51a05786a62918",
"url": "https://git.kernel.org/stable/c/76e1a05cf6d4051931d7fa4ead51a05786a62918"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/a08ee30dcbeff6b97df75c38c2589603ddde53a6",
"url": "https://git.kernel.org/stable/c/a08ee30dcbeff6b97df75c38c2589603ddde53a6"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/c3e05522daae4e7348a1ea81eeb321d25aa0fd3b",
"url": "https://git.kernel.org/stable/c/c3e05522daae4e7348a1ea81eeb321d25aa0fd3b"
}
],
"release_date": "2026-07-19T12:16:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-07-19T12:16:00Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89548",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: always drain cache_cleaner before destroying a cache_detail\n\nsunrpc_destroy_cache_detail() only cancels the global cache_cleaner\ndelayed_work when cache_list is empty. During per-netns teardown\ncache_list is never empty because init_net's caches remain registered,\nso the cancel never fires. After unlink, the caller proceeds to\ncache_destroy_net() which kfrees the cache_detail while cache_clean()\nmay still hold a dangling pointer to it. The result is a\nuse-after-free: cache_dequeue() takes cd->queue_lock on freed memory,\nand cache_put() dereferences cd->cache_put as a function pointer from\nfreed slab.\n\nDrop the list_empty guard so that cancel_delayed_work_sync() always\nruns, ensuring any in-flight cache_clean() completes before the\ncache_detail is freed. Re-arm the cleaner afterwards if other caches\nare still registered.",
"title": "Vulnerability description"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89548"
},
{
"category": "external",
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"url": "https://git.kernel.org/stable/c/f42d0fda0c67695db6bc704b04b7c10240805377"
}
],
"release_date": "2026-09-11T19:44:23Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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},
{
"category": "none_available",
"date": "2026-09-11T19:44:23Z",
"details": "Affected",
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89527",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nsvcrdma: Use svc_xprt_put to free listener on create failure\n\nsvc_rdma_create() calls kfree(cma_xprt) when\nsvc_rdma_create_listen_id() fails. svc_xprt_init() has already\nacquired a net namespace reference via get_net_track(); kfree\nbypasses svc_xprt_free() which releases it.\n\nReplace the kfree() with svc_xprt_put() so the kref_init birth\nreference drops to zero and svc_xprt_free() dispatches\nsvc_rdma_free() to clean up properly. sc_cm_id is still NULL\nat that point; the preceding patch added the necessary NULL\nguard in svc_rdma_free().\n\nsvc_xprt_free() also drops the module reference via\nmodule_put(), but the caller _svc_xprt_create() does the same\non xpo_create failure, double-putting the single\ntry_module_get() it acquired. Take a compensating\n__module_get() before the svc_xprt_put() to keep the count\nbalanced, matching the convention in svc_rdma_accept()'s error\npath.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89527"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ac1dd6002f758ab7dd3e737757e5a1bb1c0b38d6",
"url": "https://git.kernel.org/stable/c/ac1dd6002f758ab7dd3e737757e5a1bb1c0b38d6"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/e346ef7bcb137f50c49f969330ab7dcf64ea1654",
"url": "https://git.kernel.org/stable/c/e346ef7bcb137f50c49f969330ab7dcf64ea1654"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/e68380710fc970e07610b2f42594575ad35fdb1c",
"url": "https://git.kernel.org/stable/c/e68380710fc970e07610b2f42594575ad35fdb1c"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ee70d690b5544b736706a9a5796aafb634013f54",
"url": "https://git.kernel.org/stable/c/ee70d690b5544b736706a9a5796aafb634013f54"
}
],
"release_date": "2026-09-11T19:44:07Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
"category": "none_available",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89494",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: validate lengths in dlm_mig_lockres_handler\n\nA node receiving a DLM_MIG_LOCKRES message trusts several fields of the\npeer-supplied dlm_migratable_lockres without validation. num_locks and\nlockname_len are bounded only on the sending side, and the message is\nnever checked to actually carry num_locks migratable_lock entries. As a\nresult dlm_process_recovery_data() walks mres->ml[0..num_locks) past the\nkmalloc(data_len) copy of the message (an out-of-bounds read that ends in\na BUG_ON panic), and dlm_init_lockres() copies lockname_len bytes into the\nfixed 32-byte o2dlm_lockname slab object (a heap out-of-bounds write). \nBoth are reachable by any node in the domain.\n\nValidate these fields right after dlm_grab(), before anything uses them --\nincluding the not-joined error path, which already prints mres->lockname\nwith the unbounded lockname_len as a %.*s precision. Reject the message\nunless lockname_len <= DLM_LOCKID_NAME_MAX, num_locks <=\nDLM_MAX_MIGRATABLE_LOCKS (the bound the sender already asserts), and the\npayload is large enough to hold the claimed locks. Conforming recovery\nand migration messages are unaffected.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89494"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0e999d56917f861f97adb961617b1828c9eb4733",
"url": "https://git.kernel.org/stable/c/0e999d56917f861f97adb961617b1828c9eb4733"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4a5798253212093b9ff7d90c6cfbe348bcda1594",
"url": "https://git.kernel.org/stable/c/4a5798253212093b9ff7d90c6cfbe348bcda1594"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/50c4cc9183e11f83427efbf770f54851f4471c02",
"url": "https://git.kernel.org/stable/c/50c4cc9183e11f83427efbf770f54851f4471c02"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/77686fa5bba135252d348e2dacf481fc19f60c41",
"url": "https://git.kernel.org/stable/c/77686fa5bba135252d348e2dacf481fc19f60c41"
},
{
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"summary": "https://git.kernel.org/stable/c/a8facb1670b4a0612183198e758d9539ef628ed9",
"url": "https://git.kernel.org/stable/c/a8facb1670b4a0612183198e758d9539ef628ed9"
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{
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"summary": "https://git.kernel.org/stable/c/b54e03d9b3697d25f4a0063cf717d459c5e3ad94",
"url": "https://git.kernel.org/stable/c/b54e03d9b3697d25f4a0063cf717d459c5e3ad94"
},
{
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"summary": "https://git.kernel.org/stable/c/dce05b17db862f47ff60614017abe639b2e71cad",
"url": "https://git.kernel.org/stable/c/dce05b17db862f47ff60614017abe639b2e71cad"
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"summary": "https://git.kernel.org/stable/c/f33041906885f96e190cde54e61ddc69de39e3ee",
"url": "https://git.kernel.org/stable/c/f33041906885f96e190cde54e61ddc69de39e3ee"
}
],
"release_date": "2026-09-11T19:43:45Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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}
],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-53266",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: bridge: make ebt_snat ARP rewrite writable\n\nThe ebtables SNAT target keeps the Ethernet source address rewrite\nbehind skb_ensure_writable(skb, 0). This is intentional: at the bridge\nebtables hooks the Ethernet header is addressed through\nskb_mac_header()/eth_hdr(), while skb->data points at the Ethernet\npayload. Asking skb_ensure_writable() for ETH_HLEN bytes would check\nthe payload, not the Ethernet header, and would reintroduce the small\npacket regression fixed by commit 63137bc5882a.\n\nHowever, the optional ARP sender hardware address rewrite is different.\nIt writes through skb_store_bits() at an offset relative to skb->data:\n\n skb_store_bits(skb, sizeof(struct arphdr), info->mac, ETH_ALEN)\n\nskb_header_pointer() only safely reads the ARP header; it does not make\nthe later sender hardware address range writable. If that range is\nstill held in a nonlinear skb fragment backed by a splice-imported file\npage, skb_store_bits() maps the frag page and copies the new MAC address\ndirectly into it.\n\nEnsure the ARP SHA range is writable before reading the ARP header and\nbefore calling skb_store_bits().",
"title": "Vulnerability description"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-53266"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/153ea96c806aea395daba907a4f88480b6ad5093",
"url": "https://git.kernel.org/stable/c/153ea96c806aea395daba907a4f88480b6ad5093"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/67ba971ae02514d85818fe0c32549ab4bfa3bf49",
"url": "https://git.kernel.org/stable/c/67ba971ae02514d85818fe0c32549ab4bfa3bf49"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/76280b78cc9f23bdc6438e10ad6dff148ef8375b",
"url": "https://git.kernel.org/stable/c/76280b78cc9f23bdc6438e10ad6dff148ef8375b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/afd64b59c3de9bbbdd3759e834fdc55cda716e0b",
"url": "https://git.kernel.org/stable/c/afd64b59c3de9bbbdd3759e834fdc55cda716e0b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b18675263db1147c8e1cab625400c13a0d87bd2d",
"url": "https://git.kernel.org/stable/c/b18675263db1147c8e1cab625400c13a0d87bd2d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b7e91939ba9be805a62a257fa4e227dffbb88fa0",
"url": "https://git.kernel.org/stable/c/b7e91939ba9be805a62a257fa4e227dffbb88fa0"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/bf84ad7c7a9ede46e31afaa41a1ba06a159e8c87",
"url": "https://git.kernel.org/stable/c/bf84ad7c7a9ede46e31afaa41a1ba06a159e8c87"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/c9b5ff59feffb92a147a84a5aa28acd2cb8ff4c5",
"url": "https://git.kernel.org/stable/c/c9b5ff59feffb92a147a84a5aa28acd2cb8ff4c5"
},
{
"category": "external",
"summary": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-53266",
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-53266"
}
],
"release_date": "2026-06-25T09:16:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-06-25T09:16:00Z",
"details": "Affected",
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}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"details": "Important"
}
]
},
{
"cve": "CVE-2026-89550",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: svcauth_gss: enforce krb5 token minimum length\n\nsvcauth_gss_unwrap_priv() validates only an upper bound on the\nwire-supplied opaque length before handing the buffer to\ngss_unwrap():\n\n if (len > xdr_stream_remaining(xdr))\n goto unwrap_failed;\n offset = xdr_stream_pos(xdr);\n ...\n maj_stat = gss_unwrap(ctx, offset, offset + len, buf);\n\nThe wire value `len` flows unchanged as the upper bound into the\nkrb5 unwrap path, so a len in [0, 16] passes this check and is\nhanded to gss_unwrap(). For a krb5 v2 context that lands in\ngss_krb5_unwrap_v2(), which reads the 16-byte RFC 4121 token\nheader fields at ptr+4 and ptr+6 and then calls rotate_left()\nbefore any integrity check. With a sub-header length the header\nreads run past the token, and _rotate_left()'s `shift %= buf->len`\npath can divide by zero when buf->len has been driven to zero by\nthe truncated token. A header-only token (len == 16) is equally\ninvalid: with a non-zero RRC field and the opaque blob ending at\nthe XDR buffer boundary, rotate_left() builds a zero-length\nsubbuffer, reaching the same division.\n\nReject the token at the server entry point before it reaches the\nkrb5 unwrap core. A valid sealed RFC 4121 token must contain\nthe 16-byte header plus at least some encrypted payload.\n\nFix by adding a minimum-length check immediately after the\nexisting upper-bound check:\n\n if (len <= GSS_KRB5_TOK_HDR_LEN)\n goto unwrap_failed;",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89550"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0ea5b0c7f212c2772d32c2b88287b89a9cdf6edd",
"url": "https://git.kernel.org/stable/c/0ea5b0c7f212c2772d32c2b88287b89a9cdf6edd"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2eed1e6a976a44015c3ee78841fe336796e2b21c",
"url": "https://git.kernel.org/stable/c/2eed1e6a976a44015c3ee78841fe336796e2b21c"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/a919c5c88769cf8fb3ec071e6078d830bf512489",
"url": "https://git.kernel.org/stable/c/a919c5c88769cf8fb3ec071e6078d830bf512489"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/dd6afc6cab8c5d387d1ed2f069562ef7bdadd651",
"url": "https://git.kernel.org/stable/c/dd6afc6cab8c5d387d1ed2f069562ef7bdadd651"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/de942dd8c2c8358bcad04ce44271954c48924423",
"url": "https://git.kernel.org/stable/c/de942dd8c2c8358bcad04ce44271954c48924423"
}
],
"release_date": "2026-09-11T19:44:24Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:44:24Z",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-80974",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nmfd: sm501: Fix potential memory leaks during remove\n\nThe memory allocated for struct sm501_devdata in sm501_pci_probe() and\nsm501_plat_probe() is not freed by the corresponding remove functions\nsm501_pci_remove() and sm501_plat_remove(). Fix that by adding a call to\nkfree().",
"title": "Vulnerability description"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-80974"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/83feedd9d83c0c5199f98c72df0a6196b4aefb4d",
"url": "https://git.kernel.org/stable/c/83feedd9d83c0c5199f98c72df0a6196b4aefb4d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/94ca4f040ba489db2d4b66e9d1ee91b4f9a00534",
"url": "https://git.kernel.org/stable/c/94ca4f040ba489db2d4b66e9d1ee91b4f9a00534"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/c8be3a076a59ec793fb2e4bdb830a709aaea9cce",
"url": "https://git.kernel.org/stable/c/c8be3a076a59ec793fb2e4bdb830a709aaea9cce"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/fcc6c3b11d73459e0d55b27c98cc56d59fef4d82",
"url": "https://git.kernel.org/stable/c/fcc6c3b11d73459e0d55b27c98cc56d59fef4d82"
}
],
"release_date": "2026-09-11T19:42:36Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:42:36Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89633",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2()\n\ncoalesce_t2() computes data pointers directly from server-supplied\nDataOffset fields with no validation against buffer bounds:\n\n data_area_of_tgt = (char *)&pSMBt->hdr.Protocol +\n get_unaligned_le16(&pSMBt->t2_rsp.DataOffset);\n data_area_of_src = (char *)&pSMBs->hdr.Protocol +\n get_unaligned_le16(&pSMBs->t2_rsp.DataOffset);\n data_area_of_tgt += total_in_tgt;\n ...\n memcpy(data_area_of_tgt, data_area_of_src, total_in_src);\n\nA small DataOffset can push a pointer below the actual byte area,\noverwriting header fields; a large one can push it past the buffer\nend, causing out-of-bounds heap reads (source) or writes (target).\nThe BCC overflow guard does not prevent this: BCC reflects how much\ndata is present, while DataOffset controls where in the buffer it\nstarts.\n\nThe \"validate target area\" comment present since the function was\nfirst written in 2005 was a placeholder that was never implemented.\n\nAdd lower- and upper-bound checks for both data pointers before the\nmemcpy, and before any target header fields are modified.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89633"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/033bc80019f07d158630df4e69b19a49010f54f1",
"url": "https://git.kernel.org/stable/c/033bc80019f07d158630df4e69b19a49010f54f1"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/36d01415d881d5326a0dd3384f781cd7e69aff2d",
"url": "https://git.kernel.org/stable/c/36d01415d881d5326a0dd3384f781cd7e69aff2d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/6343c1da561962688f203362d80d6a3bfa39fa1b",
"url": "https://git.kernel.org/stable/c/6343c1da561962688f203362d80d6a3bfa39fa1b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/672cf86aa6aa0fb4012ce4c3b3498df42ad67a4e",
"url": "https://git.kernel.org/stable/c/672cf86aa6aa0fb4012ce4c3b3498df42ad67a4e"
}
],
"release_date": "2026-09-11T19:45:28Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89553",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnouveau/gem: reserve the bo in the info ioctl around the vma lookup\n\nIn the non-uvmm path, there could be a race between the info lookup\nfinding the vma, and the gem close path closing the vma leading\nto a use-after-free.\n\nSpotted with the help of Opus 4.6.",
"title": "Vulnerability description"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89553"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/208867763843aa82efcbe3b771f1b8e6c7aa820a",
"url": "https://git.kernel.org/stable/c/208867763843aa82efcbe3b771f1b8e6c7aa820a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/5e17160d41d92823f3379c1982e1369680c5ce4d",
"url": "https://git.kernel.org/stable/c/5e17160d41d92823f3379c1982e1369680c5ce4d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/e05c28bd6043d0fd0bea9c3fc49300a8871a1a81",
"url": "https://git.kernel.org/stable/c/e05c28bd6043d0fd0bea9c3fc49300a8871a1a81"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/e60466011ac3a6b8045e6cc3c2cbb30d58039d2e",
"url": "https://git.kernel.org/stable/c/e60466011ac3a6b8045e6cc3c2cbb30d58039d2e"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ff110e85837d7ecd83f36078107be240ff5ae409",
"url": "https://git.kernel.org/stable/c/ff110e85837d7ecd83f36078107be240ff5ae409"
}
],
"release_date": "2026-09-11T19:44:26Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
"category": "none_available",
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89761",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: fix out-of-bounds write when null terminating a label vec\n\naa_vec_unique() null terminates at vec[n - dups] when VEC_FLAG_TERMINATE\nis passed. If the components are all distinct no duplicates are dropped,\ndups is 0 and the terminator goes to vec[n], so the caller has to provide\nroom for n + 1 entries.\n\naa_label_strn_parse() sets up its vector with vec_setup(profile, vec, len,\ngfp) and then calls aa_vec_unique(vec, len, VEC_FLAG_TERMINATE), but\nvec_setup() does not reserve the terminator entry. Up to LOCAL_VEC_ENTRIES\nit uses the local array of LOCAL_VEC_ENTRIES pointers, above that it\nallocates exactly len pointers. The terminator therefore lands one entry\npast the end of the local array when len is LOCAL_VEC_ENTRIES, and one\nentry past the end of the allocation when len is larger.\n\nlen comes from the number of \"//&\" separated components in the label name\nand label_count_strn_entries() does not bound it. An unprivileged task\nreaches the parse by writing to /proc/self/attr/apparmor/current or through\nlsm_set_self_attr(2), both of which go through do_setattr(), and the name\nis parsed before the change_profile permission is checked.\nThe query_label() path behind the securityfs .access file, which is\nmode 0666, performs no permission check at all. Every component has to\nresolve to a loaded profile, so a system with policy loaded is required.\n\nThe other two VEC_FLAG_TERMINATE users work on a label vec that\naa_label_alloc() has already sized with \"+ 1 for null terminator entry on\nvec\". Reserve the same entry in vec_setup() and DEFINE_VEC(). Passing\nlen + 1 from the caller instead would move len == LOCAL_VEC_ENTRIES out of\nthe local array and into kzalloc().",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89761"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/28069434aef66b9d084f0609b7a29c171846815e",
"url": "https://git.kernel.org/stable/c/28069434aef66b9d084f0609b7a29c171846815e"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/36bdd0b45ec3f4822832a56e9db8674c8450dfce",
"url": "https://git.kernel.org/stable/c/36bdd0b45ec3f4822832a56e9db8674c8450dfce"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/9124e078ea2250d8d01d2162a550acb01ef5bf48",
"url": "https://git.kernel.org/stable/c/9124e078ea2250d8d01d2162a550acb01ef5bf48"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/9f1e40193eef7f047e6b77cfb4b4cafdecd7a123",
"url": "https://git.kernel.org/stable/c/9f1e40193eef7f047e6b77cfb4b4cafdecd7a123"
}
],
"release_date": "2026-09-11T19:47:02Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:47:02Z",
"details": "Affected",
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-64378",
"cwe": {
"id": "CWE-362",
"name": "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"
},
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nwriteback: fix race between cgroup_writeback_umount() and inode_switch_wbs()\n\nWhen a container exits, the following BUG_ON() is occasionally triggered:\n\n==================================================================\n VFS: Busy inodes after unmount of sdb (ext4)\n ------------[ cut here ]------------\n kernel BUG at fs/super.c:695!\n CPU: 3 PID: 6 Comm: containerd-shim Tainted: G OE K 6.6 #1\n pstate: 63400009 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)\n pc : generic_shutdown_super+0xf0/0x100\n lr : generic_shutdown_super+0xf0/0x100\n Call trace:\n generic_shutdown_super+0xf0/0x100\n kill_block_super+0x20/0x48\n ext4_kill_sb+0x28/0x60\n deactivate_locked_super+0x54/0x130\n deactivate_super+0x84/0xa0\n cleanup_mnt+0xa4/0x140\n __cleanup_mnt+0x18/0x28\n task_work_run+0x78/0xe0\n do_notify_resume+0x204/0x240\n==================================================================\n\nThe root cause is a race between cgroup_writeback_umount() and\ninode_switch_wbs()/cleanup_offline_cgwb(). There is a window between\ninode_prepare_wbs_switch() returning true and the subsequent\nwb_queue_isw() call. Following is the process that triggers the issue:\n\n CPU A (umount) | CPU B (writeback)\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n inode_switch_wbs/cleanup_offline_cgwb\n atomic_inc(&isw_nr_in_flight)\n inode_prepare_wbs_switch\n -> passes SB_ACTIVE check\n __iget(inode)\n generic_shutdown_super\n sb->s_flags &= ~SB_ACTIVE\n cgroup_writeback_umount(sb)\n smp_mb()\n atomic_read(&isw_nr_in_flight)\n rcu_barrier()\n -> no pending RCU callbacks\n flush_workqueue(isw_wq)\n -> nothing queued, returns\n evict_inodes(sb)\n -> Inode skipped as isw still holds a ref.\n sop->put_super(sb)\n /* destroys percpu counters */\n -> VFS: Busy inodes after unmount!\n wb_queue_isw()\n queue_work(isw_wq, ...)\n /* later in work function */\n inode_switch_wbs_work_fn\n process_inode_switch_wbs\n iput() -> evict\n percpu_counter_dec() // UAF!\n\nFix this by extending the RCU read-side critical section in\ninode_switch_wbs() and cleanup_offline_cgwb() to cover from\ninode_prepare_wbs_switch() through wb_queue_isw(). Since there is\nno sleep in this window, rcu_read_lock() can be used. Then add a\nsynchronize_rcu() in cgroup_writeback_umount() before the existing\nrcu_barrier(), so that all in-flight switchers that have passed the\nSB_ACTIVE check have completed queue_work() before flush_workqueue()\nis called.\n\nThe existing rcu_barrier() is intentionally retained so this fix can\nbe backported unchanged to stable kernels (5.10.y, 6.6.y, ...) that\nstill queue switches via queue_rcu_work(). It is a no-op on current\nmainline (since commit e1b849cfa6b6 (\"writeback: Avoid contention on\nwb->list_lock when switching inodes\")) and is removed in a follow-up\npatch.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-64378"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/087d5b8b501c570f84bf655164e6698c3ce146e0",
"url": "https://git.kernel.org/stable/c/087d5b8b501c570f84bf655164e6698c3ce146e0"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3c9c9648f77e4d14e50676bc51c2174ba9c8d361",
"url": "https://git.kernel.org/stable/c/3c9c9648f77e4d14e50676bc51c2174ba9c8d361"
},
{
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"url": "https://git.kernel.org/stable/c/53eeaf4d63068dbc7708b0c7adb20151c812feca"
},
{
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"url": "https://git.kernel.org/stable/c/5c3265f3252b2ee50707adaaa3f9bd0df3df72de"
},
{
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"summary": "https://git.kernel.org/stable/c/685fc15a410885b6d4dee64de0dce721b9428b12",
"url": "https://git.kernel.org/stable/c/685fc15a410885b6d4dee64de0dce721b9428b12"
},
{
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"summary": "https://git.kernel.org/stable/c/c923cc3cb5cd8945ceaf08252754110643446593",
"url": "https://git.kernel.org/stable/c/c923cc3cb5cd8945ceaf08252754110643446593"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/cba38ec4cbd3a7b8b942a8d52531a05be8a9ff0d",
"url": "https://git.kernel.org/stable/c/cba38ec4cbd3a7b8b942a8d52531a05be8a9ff0d"
}
],
"release_date": "2026-07-25T10:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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},
{
"category": "none_available",
"date": "2026-07-25T10:17:00Z",
"details": "Affected",
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89539",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: reject duplicate CREDS_VALUE options\n\ngssx_dec_option_array() walks the wire-supplied option array and, for\nevery entry whose name matches CREDS_VALUE, calls\ngssx_dec_linux_creds() on the same struct svc_cred. That helper\nunconditionally installs a fresh groups_alloc() result into\ncreds->cr_group_info without releasing whatever pointer was already\nthere:\n\n for (i = 0; i < count; i++) {\n ... decode name ...\n if (length == sizeof(CREDS_VALUE) &&\n memcmp(p, CREDS_VALUE, sizeof(CREDS_VALUE)) == 0) {\n err = gssx_dec_linux_creds(xdr, creds);\n ...\n }\n }\n\nA reply that carries two CREDS_VALUE entries therefore overwrites\ncr_group_info on the second iteration and orphans the group_info\nallocated by the first call. The earlier free_creds path only\nreleases the last cr_group_info via free_svc_cred(), so the first\nallocation's refcount stays at one and its kvmalloc-backed storage\nis leaked. No in-tree caller of gssp_accept_sec_context_upcall()\nexpects more than one CREDS_VALUE per reply.\n\nFix by tracking whether a CREDS_VALUE option has already been\ndecoded and returning -EINVAL on any subsequent match, so the\nfree_creds path releases the single group_info that was installed.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89539"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2e4ce62385c1b8a887c5370af058ac7b52a8eaf9",
"url": "https://git.kernel.org/stable/c/2e4ce62385c1b8a887c5370af058ac7b52a8eaf9"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/7a1d0501cbb962beba23377035d667bf3c1726ee",
"url": "https://git.kernel.org/stable/c/7a1d0501cbb962beba23377035d667bf3c1726ee"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/9d94f046b23de0f77849ea69133063c949297e30",
"url": "https://git.kernel.org/stable/c/9d94f046b23de0f77849ea69133063c949297e30"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/f615b884310bf82d0014e3b5a92eb9aa88146685",
"url": "https://git.kernel.org/stable/c/f615b884310bf82d0014e3b5a92eb9aa88146685"
}
],
"release_date": "2026-09-11T19:44:16Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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},
{
"category": "none_available",
"date": "2026-09-11T19:44:16Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-80976",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nseg6: reset IP6CB after IPv6 decapsulation\n\ndecap_and_validate() pulls the outer SRv6 headers and makes the inner\npacket the skb network header. The IPv6 control block still contains\nvalues collected while parsing the outer packet, including nhoff and\nextension-header flags.\n\nEnd.DX6 and End.DT6 route the inner IPv6 packet directly to the IPv6\ninput path. An unprivileged user can reach End.DT6 from a user and net\nnamespace by installing a local SID and injecting an outer packet with\nHop-by-Hop and Destination Options headers followed by an SRH and a\nminimal inner IPv6 packet.\n\nThe outer extension headers leave a large nhoff in IP6CB. After\ndecapsulation, ip6_protocol_deliver_rcu() uses that stale offset on the\ninner packet and reads beyond the skb head. KASAN reports:\n\n BUG: KASAN: slab-out-of-bounds in ip6_protocol_deliver_rcu\n ip6_protocol_deliver_rcu+0x1118/0x1450\n ip6_input_finish+0x11b/0x240\n seg6_local_input_core+0xed/0x2e0\n lwtunnel_input+0x1e9/0x4e0\n ipv6_rthdr_rcv+0x525f/0x6c50\n ip6_protocol_deliver_rcu+0xcb7/0x1450\n\nBefore clearing IP6CB for an inner IPv6 packet, save its incoming\ninterface index and L3 slave state. Restore both after the clear and set\nnhoff to the inner IPv6 base-header nexthdr field.\n\nUse IP6CB(skb)->iif rather than skb->skb_iif because VRF processing can\nreplace skb_iif with the L3 master while IP6CB keeps the receiving\ninterface. Preserve IP6SKB_L3SLAVE for the same reason.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-80976"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2b154e96fcb3f01fd42765c64e0a56820fbc16eb",
"url": "https://git.kernel.org/stable/c/2b154e96fcb3f01fd42765c64e0a56820fbc16eb"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/96c74420ac92930a7e0f21770818544eee4a93d7",
"url": "https://git.kernel.org/stable/c/96c74420ac92930a7e0f21770818544eee4a93d7"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/9ae92198c24d7dacd4070e2f34f6e1ed3a63061c",
"url": "https://git.kernel.org/stable/c/9ae92198c24d7dacd4070e2f34f6e1ed3a63061c"
},
{
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"summary": "https://git.kernel.org/stable/c/a0e2b0a3718f0cf9fb0ee41710b4a6348a7315c8",
"url": "https://git.kernel.org/stable/c/a0e2b0a3718f0cf9fb0ee41710b4a6348a7315c8"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/c73fb911e02b9a766c950bc9707f3e3a96ffd702",
"url": "https://git.kernel.org/stable/c/c73fb911e02b9a766c950bc9707f3e3a96ffd702"
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"summary": "https://git.kernel.org/stable/c/cfa186a0857a0f831dfca67b16bbc40ecfdf3280",
"url": "https://git.kernel.org/stable/c/cfa186a0857a0f831dfca67b16bbc40ecfdf3280"
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{
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"summary": "https://git.kernel.org/stable/c/d1f0d353358987ca87f21d8956e2d2854951130d",
"url": "https://git.kernel.org/stable/c/d1f0d353358987ca87f21d8956e2d2854951130d"
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"summary": "https://git.kernel.org/stable/c/f967455fb2a5a2079b9eb5823e9ccf359174bf9f",
"url": "https://git.kernel.org/stable/c/f967455fb2a5a2079b9eb5823e9ccf359174bf9f"
}
],
"release_date": "2026-09-11T19:42:38Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-63962",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: tcpm: bound altmode_desc[] per iteration in svdm_consume_modes()\n\nsvdm_consume_modes() checks pmdata->altmodes against the array size once\nbefore the loop over the count, but forgot to check the bound at every\npoint in the loop.\n\nIn the well-behaved SVDM discovery flow this is harmless because each of\nat most SVID_DISCOVERY_MAX SVIDs contributes at most MODE_DISCOVERY_MAX\nmodes, exactly filling altmode_desc[ALTMODE_DISCOVERY_MAX]. But the\nCMDT_RSP_ACK handler in tcpm_pd_svdm() does not correlate an incoming\nACK with any request the port actually sent. Once port->partner is set,\nan unsolicited Discover Modes ACK is consumed unconditionally. A broken\nor malicious port partner can therefore drive altmodes to\nALTMODE_DISCOVERY_MAX - 1 via the normal flow, and then send one extra\nDiscover Modes ACK with seven VDOs. Because the pre-loop check passes,\nthe loop could then writes up to five entries past altmode_desc[]. For\nmode_data_prime the next field in struct tcpm_port is the\npartner_altmode[] pointer array, which then receives partner-chosen\nSVID/VDO bytes.\n\nMove the bound check inside the loop so the array can never be indexed\npast ALTMODE_DISCOVERY_MAX regardless of how many VDOs the partner\nsupplies or how the function was reached.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-63962"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3389c149c68c3fea61910ad5d34f7bf3bff44e32",
"url": "https://git.kernel.org/stable/c/3389c149c68c3fea61910ad5d34f7bf3bff44e32"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4505f33dab56c274e82f47f94bf60a8cbf8f4b42",
"url": "https://git.kernel.org/stable/c/4505f33dab56c274e82f47f94bf60a8cbf8f4b42"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/845598b154b9a92e9d279fafafa9405c121ae805",
"url": "https://git.kernel.org/stable/c/845598b154b9a92e9d279fafafa9405c121ae805"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/cbad85b446c06adbc5e5bed565871bb918ce9d32",
"url": "https://git.kernel.org/stable/c/cbad85b446c06adbc5e5bed565871bb918ce9d32"
}
],
"release_date": "2026-07-19T16:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-07-19T16:17:00Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89641",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: clear tcon after cifsFileInfo_put() in cifs_file_set_size()\n\nWhen the else branch of cifs_file_set_size() finds a writable file handle\nvia find_writable_file(), it borrows tcon and server from the handle's\ntlink, attempts the handle-based set_file_size() RPC, and then releases\nthe handle with cifsFileInfo_put().\n\nIf set_file_size() fails, execution falls through to the path-based\nfallback, which reuses the borrowed tcon and server under the\n\"if (tcon == NULL)\" guard. Since tcon is not NULL at that point, the\nguard is skipped. If cifsFileInfo_put() dropped the last reference on a\ntlink that was already removed from the tlink tree (TCON_LINK_IN_TREE\ncleared, as happens during reconnection or session teardown),\ncifs_put_tlink() will have freed tcon; the subsequent set_path_size()\ncall is then a use-after-free.\n\nSetting tcon = NULL after cifsFileInfo_put() causes the existing guard\nto take the cifs_sb_tlink() path, which acquires a fresh reference for\nthe path-based operation or fails cleanly if the session is gone.",
"title": "Vulnerability description"
}
],
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89641"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4bea15d9c7683218f57b8c1f5f0aa75cab76af8d",
"url": "https://git.kernel.org/stable/c/4bea15d9c7683218f57b8c1f5f0aa75cab76af8d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4f18c9e7ee464aaae5cd9fccdb943b3fcb4655d4",
"url": "https://git.kernel.org/stable/c/4f18c9e7ee464aaae5cd9fccdb943b3fcb4655d4"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b96db32fed8dfb2478d7c208f89bf383beed1535",
"url": "https://git.kernel.org/stable/c/b96db32fed8dfb2478d7c208f89bf383beed1535"
}
],
"release_date": "2026-09-11T19:45:34Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:45:34Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-74479",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: pktgen: fix proc entry use-after-free\n\npktgen_change_name() replaces pkt_dev->entry while holding t->if_lock.\npktgen_remove_device() removes the same entry before\n_rem_dev_from_if_list() takes that lock.\n\nThis allows the following interleaving:\n\n CPU 0 (NETDEV_CHANGENAME) CPU 1 (kpktgend)\n if_lock(t)\n proc_remove(pkt_dev->entry)\n proc_remove(pkt_dev->entry)\n pkt_dev->entry = proc_create_data(...)\n if_unlock(t)\n\nThe kthread can pass the stale proc_dir_entry to proc_remove() after the\nrename path has freed it. A reproducer with a widened race window reports:\n\n BUG: KASAN: slab-use-after-free in proc_remove+0x78/0x80\n Read of size 8 at addr ffff8881478fea70 by task kpktgend_0/67\n Call Trace:\n proc_remove+0x78/0x80\n pktgen_remove_device.isra.0+0x11c/0x4c0\n pktgen_thread_worker+0x1214/0x6bc0\n kthread+0x2c6/0x3b0\n Allocated by task 95:\n __proc_create+0x204/0x790\n proc_create_data+0x72/0xe0\n pktgen_thread_write+0xd61/0x1510\n Freed by task 28:\n kmem_cache_free+0xcb/0x3d0\n proc_free_inode+0x5b/0x80\n rcu_core+0x50a/0x1850\n The buggy address belongs to the object at ffff8881478fea00\n which belongs to the cache proc_dir_entry of size 192\n\nMove proc_remove() into the if_lock-protected list removal helper. Keep it\nbefore list_del_rcu() to preserve the ordering required by add_device().\nThe rename path must then finish replacing the entry before removal, or\nit observes that the device is no longer on the list.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-74479"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4ef801b838d85c0ea5852c50667f7344ce3b6cd0",
"url": "https://git.kernel.org/stable/c/4ef801b838d85c0ea5852c50667f7344ce3b6cd0"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/577443530cb592d5782a1f79847411a9363a65c8",
"url": "https://git.kernel.org/stable/c/577443530cb592d5782a1f79847411a9363a65c8"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/7991c7cff8b8622cddb3d8dee07dbe74aa4cbec4",
"url": "https://git.kernel.org/stable/c/7991c7cff8b8622cddb3d8dee07dbe74aa4cbec4"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/817ff6efdb7f484ea547218e11e17d8e43daa3b4",
"url": "https://git.kernel.org/stable/c/817ff6efdb7f484ea547218e11e17d8e43daa3b4"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/82ed3db9269cb61e3c15bad2f6e221efce90e1e0",
"url": "https://git.kernel.org/stable/c/82ed3db9269cb61e3c15bad2f6e221efce90e1e0"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b006a5404470bd3eb2aa0425fc447183032047ef",
"url": "https://git.kernel.org/stable/c/b006a5404470bd3eb2aa0425fc447183032047ef"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/d1cc9797cf8f7aeb87e7ad01b748c6a960a819e4",
"url": "https://git.kernel.org/stable/c/d1cc9797cf8f7aeb87e7ad01b748c6a960a819e4"
},
{
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"summary": "https://git.kernel.org/stable/c/f85a58340b91f225de3299dfa782c6414098077c",
"url": "https://git.kernel.org/stable/c/f85a58340b91f225de3299dfa782c6414098077c"
}
],
"release_date": "2026-08-15T13:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-64504",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: accel: bmc150: clamp the device-reported FIFO frame count\n\n__bmc150_accel_fifo_flush() copies the number of samples the device\nreports in its hardware FIFO into an on-stack buffer\n\n\tu16 buffer[BMC150_ACCEL_FIFO_LENGTH * 3];\n\nwhich is sized for at most BMC150_ACCEL_FIFO_LENGTH (32) samples. The\nframe count is read from the FIFO_STATUS register and only masked to its\n7 valid bits:\n\n\tcount = val & 0x7F;\n\nso it can be 0..127. The only other limit applied to it is the optional\ncaller-supplied sample budget:\n\n\tif (samples && count > samples)\n\t\tcount = samples;\n\nwhich does not constrain count on the flush-all path (samples == 0), and\nleaves it well above 32 whenever samples is larger. count samples are\nthen transferred into buffer[]:\n\n\tbmc150_accel_fifo_transfer(data, (u8 *)buffer, count);\n\nbmc150_accel_fifo_transfer() reads count * 6 bytes through regmap, so a\nmalfunctioning, malicious or counterfeit accelerometer (or an attacker\ntampering with the I2C/SPI bus) that reports up to 127 frames writes up\nto 762 bytes into the 192-byte buffer: a stack out-of-bounds write of up\nto 570 bytes that clobbers the stack canary, saved registers and the\nreturn address.\n\nClamp count to BMC150_ACCEL_FIFO_LENGTH, the number of samples buffer[]\nis sized for, before the transfer, mirroring the watermark clamp already\ndone in bmc150_accel_set_watermark(). A well-formed flush reports at most\nBMC150_ACCEL_FIFO_LENGTH frames, so legitimate devices are unaffected.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-64504"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2fe0531dd73eff1de0f2584cb77716d645e548d5",
"url": "https://git.kernel.org/stable/c/2fe0531dd73eff1de0f2584cb77716d645e548d5"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/35a3cd8fd65e15029eb90f1e510045b1bb071175",
"url": "https://git.kernel.org/stable/c/35a3cd8fd65e15029eb90f1e510045b1bb071175"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3e766526827acd542bcd36c20c4d5f397e0f6521",
"url": "https://git.kernel.org/stable/c/3e766526827acd542bcd36c20c4d5f397e0f6521"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/89f4a4ca0ac3a933c750569a771c079a290b0721",
"url": "https://git.kernel.org/stable/c/89f4a4ca0ac3a933c750569a771c079a290b0721"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b5a9f521e0a49a0266200fd535b32a9668ecb33b",
"url": "https://git.kernel.org/stable/c/b5a9f521e0a49a0266200fd535b32a9668ecb33b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/bfffc98f3de92e0f76be7c7b72e63ac1776a6dbc",
"url": "https://git.kernel.org/stable/c/bfffc98f3de92e0f76be7c7b72e63ac1776a6dbc"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ce0e1cae26096fe959a0da5563a6d6d5a801d5fb",
"url": "https://git.kernel.org/stable/c/ce0e1cae26096fe959a0da5563a6d6d5a801d5fb"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/d0e6d924a5484e005cae5aff6a0aa07a22f3c9ff",
"url": "https://git.kernel.org/stable/c/d0e6d924a5484e005cae5aff6a0aa07a22f3c9ff"
}
],
"release_date": "2026-07-25T10:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-07-25T10:17:00Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-63922",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: exthdrs: refresh nh after handling HAO option\n\nip6_parse_tlv() caches skb_network_header(skb) in nh while walking\nIPv6 TLVs.\n\nipv6_dest_hao() may call pskb_expand_head() for a cloned skb, which can\nmove the skb head and invalidate the cached network header pointer.\nRefresh nh after ipv6_dest_hao() returns so any trailing padding or TLVs\nare parsed from the current skb head.\n\nThis matches the existing pattern used in ip6_parse_tlv() after helpers\nthat can modify skb header storage.",
"title": "Vulnerability description"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-63922"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/12d957979e4a800167842f1b42be6a606d227ebe",
"url": "https://git.kernel.org/stable/c/12d957979e4a800167842f1b42be6a606d227ebe"
},
{
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"summary": "https://git.kernel.org/stable/c/1a11eb7431e3d2882f5bd5939c5a9bbc65ccf4d1",
"url": "https://git.kernel.org/stable/c/1a11eb7431e3d2882f5bd5939c5a9bbc65ccf4d1"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/751db1b802a067b7fff25880f4e9f9152a171538",
"url": "https://git.kernel.org/stable/c/751db1b802a067b7fff25880f4e9f9152a171538"
},
{
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"summary": "https://git.kernel.org/stable/c/9b6dcc0a39fd71752937f0b6b3973e1416085dcf",
"url": "https://git.kernel.org/stable/c/9b6dcc0a39fd71752937f0b6b3973e1416085dcf"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b3ac54e5c905f86d22b502eacb5686a282c5659f",
"url": "https://git.kernel.org/stable/c/b3ac54e5c905f86d22b502eacb5686a282c5659f"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/f7b52afe3592eae66e160586b45a3f2242972c63",
"url": "https://git.kernel.org/stable/c/f7b52afe3592eae66e160586b45a3f2242972c63"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/f8aabed3ff3e986920cf02a2a2785e08e586b234",
"url": "https://git.kernel.org/stable/c/f8aabed3ff3e986920cf02a2a2785e08e586b234"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ff375ed1cba81392346c5bfbf0bb7a13b2946f99",
"url": "https://git.kernel.org/stable/c/ff375ed1cba81392346c5bfbf0bb7a13b2946f99"
}
],
"release_date": "2026-07-19T16:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89441",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: via-sdmmc: cancel card-detect work on remove\n\nDisabling the device interrupt and freeing the IRQ prevents new card-detect\nwork from being queued, but carddet_work already queued by the handler can\nstill run after via_sd_remove() returns. via_sdc_card_detect() recovers the\nhost through container_of() and dereferences its MMIO base; once remove()\nreturns the host can be freed, so that work would touch freed memory.\n\nCancel carddet_work after freeing the IRQ and before cancelling\nfinish_bh_work, which the card-detect handler can also queue. carddet_work\ncan re-enable the interrupt through via_reset_pcictrl(); mask it again\nafterwards.\n\nThis issue was found by an in-house static analysis tool and confirmed by\nmanual code review.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89441"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0a3c70191868fb007c03ff79693ad4e4b3fdcbb8",
"url": "https://git.kernel.org/stable/c/0a3c70191868fb007c03ff79693ad4e4b3fdcbb8"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/57e5d877f898d5e5c9d672a77bb6bdd24f0d9bf5",
"url": "https://git.kernel.org/stable/c/57e5d877f898d5e5c9d672a77bb6bdd24f0d9bf5"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/eaca730c6f5e3609df62a0469fb789235a93d276",
"url": "https://git.kernel.org/stable/c/eaca730c6f5e3609df62a0469fb789235a93d276"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/f7ff3027ef004a331ef911a4886f12bc2e996037",
"url": "https://git.kernel.org/stable/c/f7ff3027ef004a331ef911a4886f12bc2e996037"
}
],
"release_date": "2026-09-11T19:43:10Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-81001",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nslip: fix use-after-free in sl_sync()\n\nslip_devs[] stores bare net_device pointers and takes no reference on\nthem. sl_sync() and sl_alloc() walk that table from slip_open() under\nrtnl_lock(), while an entry is dropped by sl_free_netdev(), which\nsl_setup() installs as dev->priv_destructor.\n\npriv_destructor is called from netdev_run_todo(), which deliberately\nruns with the RTNL semaphore released so that it can sleep while waiting\nfor the device refcount to drop:\n\n\t/* Snapshot list, allow later requests */\n\tlist_replace_init(&net_todo_list, &list);\n\n\t__rtnl_unlock();\n\t...\n\t\tif (dev->priv_destructor)\n\t\t\tdev->priv_destructor(dev);\t/* slip_devs[i] = NULL */\n\t\tif (dev->needs_free_netdev)\n\t\t\tfree_netdev(dev);\n\t\t...\n\t\t/* Free network device */\n\t\tkobject_put(&dev->dev.kobj);\n\nSo rtnl_lock() does not serialise slip_open() against the teardown at\nall. sl_sync() can load slip_devs[i] while the entry is still published\nand dereference it after netdev_run_todo() has run the destructor and\nreleased the device:\n\n CPU0 (slip_open) CPU1 (slip_close)\n unregister_netdev()\n rtnl_unlock()\n netdev_run_todo()\n __rtnl_unlock()\n rtnl_lock()\n sl_sync()\n dev = slip_devs[i]\n priv_destructor(dev)\n slip_devs[i] = NULL\n kobject_put(&dev->dev.kobj)\n /* dev is freed */\n sl = netdev_priv(dev)\n if (sl->tty || sl->leased) /* use-after-free */\n\n BUG: KASAN: use-after-free in sl_sync drivers/net/slip/slip.c:730 [inline]\n BUG: KASAN: use-after-free in slip_open+0xef4/0x1210 drivers/net/slip/slip.c:806\n Read of size 1 at addr ffff8880712dac71 by task syz-executor.2/6506\n\n CPU: 2 PID: 6506 Comm: syz-executor.2 Not tainted 6.1.134-syzkaller-00260-g0c8fc3469765 #0\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014\n Call Trace:\n sl_sync drivers/net/slip/slip.c:730 [inline]\n slip_open+0xef4/0x1210 drivers/net/slip/slip.c:806\n tty_ldisc_open+0xa2/0x120 drivers/tty/tty_ldisc.c:433\n tty_set_ldisc+0x324/0x720 drivers/tty/tty_ldisc.c:564\n tiocsetd drivers/tty/tty_io.c:2428 [inline]\n tty_ioctl+0x5f0/0x1530 drivers/tty/tty_io.c:2712\n\n Allocated by task 6502:\n alloc_netdev_mqs+0x98/0xfe0 net/core/dev.c:10719\n sl_alloc drivers/net/slip/slip.c:756 [inline]\n slip_open+0x36d/0x1210 drivers/net/slip/slip.c:817\n tty_ldisc_open+0xa2/0x120 drivers/tty/tty_ldisc.c:433\n tty_set_ldisc+0x324/0x720 drivers/tty/tty_ldisc.c:564\n\n Freed by task 6497:\n device_release+0xa2/0x240 drivers/base/core.c:2507\n kobject_put+0x179/0x280 lib/kobject.c:729\n netdev_run_todo+0x6c8/0xef0 net/core/dev.c:10509\n slip_close+0x166/0x1c0 drivers/net/slip/slip.c:906\n tty_ldisc_close+0x113/0x1a0 drivers/tty/tty_ldisc.c:456\n tty_ldisc_kill+0x94/0x160 drivers/tty/tty_ldisc.c:614\n tty_ldisc_release+0xe3/0x2b0 drivers/tty/tty_ldisc.c:782\n tty_release+0xbcc/0xe70 drivers/tty/tty_io.c:1860\n\nCommit e58c19124189 (\"slip: Fix use-after-free Read in slip_open\") fixed\na different source of stale entries - a device left in slip_devs[] after\nslip_open() freed it on the registration error path - and does not\naddress this race, which is why the report survives it.\n\nDrop the entry from ndo_uninit instead. unregister_netdevice() calls\nndo_uninit under RTNL, before the device is queued to netdev_run_todo(),\nso an entry that sl_sync() can still see while holding RTNL belongs to a\ndevice that cannot be freed until RTNL is dropped. sl_free_netdev()\nstays only for the slip_open() error path, where register_netdevice()\nmay have failed before ndo_init and ndo_uninit is then not called\neither. Both running for the same device is harmless: the\n---truncated---",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-81001"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/045e307ac21fbd735b789d8817b21be4d8ead054",
"url": "https://git.kernel.org/stable/c/045e307ac21fbd735b789d8817b21be4d8ead054"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2c4e7c42d77e78ad595dbb9e4b5886b58b45d89d",
"url": "https://git.kernel.org/stable/c/2c4e7c42d77e78ad595dbb9e4b5886b58b45d89d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/486577db807891d0f964fdf13c1640c7f54b0ad1",
"url": "https://git.kernel.org/stable/c/486577db807891d0f964fdf13c1640c7f54b0ad1"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/70e20456bcbf7f3ae145bb96e5548f827a37c640",
"url": "https://git.kernel.org/stable/c/70e20456bcbf7f3ae145bb96e5548f827a37c640"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/87398cdec8bdf84096a8af4dbccdb04f1972f32c",
"url": "https://git.kernel.org/stable/c/87398cdec8bdf84096a8af4dbccdb04f1972f32c"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/a235b20972bbd98ca1fb127d6269434edc607f19",
"url": "https://git.kernel.org/stable/c/a235b20972bbd98ca1fb127d6269434edc607f19"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/d6f25e5bd777b05880da8673daf74a8419480545",
"url": "https://git.kernel.org/stable/c/d6f25e5bd777b05880da8673daf74a8419480545"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/e93ace1f46177a4f7b5a8e5996606cdf77e1e890",
"url": "https://git.kernel.org/stable/c/e93ace1f46177a4f7b5a8e5996606cdf77e1e890"
}
],
"release_date": "2026-09-11T19:42:54Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:42:54Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89537",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: Reject short RFC 4121 MIC tokens in gss_krb5_verify_mic_v2\n\ngss_krb5_verify_mic_v2() reads the token ID at ptr[0..1], the flags\nbyte at ptr[2], and padding at ptr[3..7], then passes\nptr + GSS_KRB5_TOK_HDR_LEN and cksum_len to gss_krb5_mic_build_sg().\nNone of these accesses check read_token->len first.\n\nThe minimum safe token size is GSS_KRB5_TOK_HDR_LEN (16) plus\nctx->krb5e->cksum_len (12-24, depending on the enctype). All callers\naccept shorter tokens from the wire:\n\n - gss_unwrap_resp_integ() enforces only an upper bound\n (offset + len <= rcv_buf->len) before allocating\n mic.data = kmalloc(len) and passing it to gss_verify_mic().\n A malicious NFS server can therefore supply a short checksum\n opaque, producing a small slab allocation that the Kerberos MIC\n verifier reads past.\n\n - gss_validate() enforces only len <= RPC_MAX_AUTH_SIZE (400)\n before passing the wire-supplied length to\n gss_validate_seqno_mic(), which constructs a mic xdr_netobj\n and calls gss_verify_mic().\n\n - svcauth_gss_verify_header() enforces only\n checksum.len >= XDR_UNIT (4 bytes) before dispatching to\n gss_verify_mic().\n\n - svcauth_gss_unwrap_integ() checks only that the checksum fits\n in gsd->gsd_scratch.\n\nAdd a length guard at the top of gss_krb5_verify_mic_v2(), before any\nptr[] access or scatterlist construction. Well-formed MIC tokens from\ngss_krb5_get_mic_v2() already have exactly GSS_KRB5_TOK_HDR_LEN +\ncksum_len bytes, so valid traffic is unaffected.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89537"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/7a946b2e7207f968902f2147ab9b30726f82f7ab",
"url": "https://git.kernel.org/stable/c/7a946b2e7207f968902f2147ab9b30726f82f7ab"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/996dd15f60121bdd7896b4554458f8806d608063",
"url": "https://git.kernel.org/stable/c/996dd15f60121bdd7896b4554458f8806d608063"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b94f6719dcd9f7a609bc5f459f85795900e77d25",
"url": "https://git.kernel.org/stable/c/b94f6719dcd9f7a609bc5f459f85795900e77d25"
}
],
"release_date": "2026-09-11T19:44:15Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-74498",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Fix DMA buffer out-of-bounds write when fill_max is set\n\nWhen a USB audio endpoint requests full packet transfers via the fill_max\ndescriptor flag, data_ep_set_params() promotes ep->curpacksize to\nep->maxpacksize. However, maxsize is left at the original sample-rate\nderived value.\n\nSince u->buffer_size is allocated as maxsize * packets, the resulting\nDMA buffer is far too small for the requested transfer length. When the\nUSB host controller streams up to curpacksize bytes per packet, it writes\npast the end of the buffer via DMA, corrupting kernel heap memory.\n\nUpdate maxsize to curpacksize when fill_max is set so that the allocated\nDMA buffer size matches the actual transfer request size.\n\n[ changed to reassign maxsize only when ep->fill_max is set -- tiwai ]",
"title": "Vulnerability description"
}
],
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-74498"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/04595233e5606d452f9f47e6989fc7ae7440fd40",
"url": "https://git.kernel.org/stable/c/04595233e5606d452f9f47e6989fc7ae7440fd40"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/10c24e6fddf4bdff0b6b05a47a4347b38e6960e8",
"url": "https://git.kernel.org/stable/c/10c24e6fddf4bdff0b6b05a47a4347b38e6960e8"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3852974608f53e530e27c21d0c6c7d79c17b3f5a",
"url": "https://git.kernel.org/stable/c/3852974608f53e530e27c21d0c6c7d79c17b3f5a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/6cbdd11f9b05b92f4aa29f09a66e19ed0e25e66c",
"url": "https://git.kernel.org/stable/c/6cbdd11f9b05b92f4aa29f09a66e19ed0e25e66c"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b1770f9ac35c0ffc34914d52347c65dcd5ac049b",
"url": "https://git.kernel.org/stable/c/b1770f9ac35c0ffc34914d52347c65dcd5ac049b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/bd65b7191683bebd9923904f0558b9211b9129da",
"url": "https://git.kernel.org/stable/c/bd65b7191683bebd9923904f0558b9211b9129da"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/d0199ae1666ff9ae2d1d568d64c3430d4c47f0e5",
"url": "https://git.kernel.org/stable/c/d0199ae1666ff9ae2d1d568d64c3430d4c47f0e5"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/f9b6c9576568169139ac151f7881474f384659fd",
"url": "https://git.kernel.org/stable/c/f9b6c9576568169139ac151f7881474f384659fd"
}
],
"release_date": "2026-08-15T13:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89555",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nmpls: reload header after pskb_may_pull()\n\nmpls_select_multipath() calls mpls_multipath_hash() to choose a nexthop\nwhen an MPLS route has multiple nexthops. While walking the MPLS label\nstack, the hash routine caches hdr for the current label. After finding\nthe bottom-of-stack label, it calls pskb_may_pull() before reading the\ninner IP header.\n\nIf an skb is constructed with the inner IP header in nonlinear data and\ninsufficient tailroom in the linear head, pskb_may_pull() calls\npskb_expand_head() to replace the skb head and free the old one. This\nleaves hdr pointing to freed memory. The IPv6 path can invalidate hdr\nagain when it performs a second pull for the larger header.\n\nThe issue was found through static analysis. A reproducer sending a legal\nGeneve packet through a bareudp/MPLS multipath setup triggered the same\nKASAN report in 2 of 2 unpatched runs:\n\n BUG: KASAN: slab-use-after-free in mpls_select_multipath\n Read of size 1 at addr ffff88800ecc6e20 by task ksoftirqd/1/23\n\n Call Trace:\n mpls_select_multipath\n mpls_forward\n __netif_receive_skb_list_core\n netif_receive_skb_list_internal\n napi_complete_done\n gro_cell_poll\n __napi_poll\n net_rx_action\n\n Freed by task 23:\n kfree\n pskb_expand_head\n __pskb_pull_tail\n mpls_select_multipath\n\nReload hdr from the current skb head after each successful pull before\nderiving the inner IPv4 or IPv6 header pointer.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89555"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/29e63b8d9fc150cc191b1c6eb7e16e1247e1b650",
"url": "https://git.kernel.org/stable/c/29e63b8d9fc150cc191b1c6eb7e16e1247e1b650"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/49d38c1b4390412f8950d33dfaee0ccbd17beb81",
"url": "https://git.kernel.org/stable/c/49d38c1b4390412f8950d33dfaee0ccbd17beb81"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/aa4fe0b450a461aa1162fe8375f5d28f4c957df8",
"url": "https://git.kernel.org/stable/c/aa4fe0b450a461aa1162fe8375f5d28f4c957df8"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b1c0783b2facc398437ad8f8b86c636d7a78f8db",
"url": "https://git.kernel.org/stable/c/b1c0783b2facc398437ad8f8b86c636d7a78f8db"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/bfaaff99238326166694354a63a76c02563f98b1",
"url": "https://git.kernel.org/stable/c/bfaaff99238326166694354a63a76c02563f98b1"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/d82b90a38c2ca8a0694428eab0e9551c23f2447d",
"url": "https://git.kernel.org/stable/c/d82b90a38c2ca8a0694428eab0e9551c23f2447d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/d9640239827d6d0cb84263b590f7a4f1596c17eb",
"url": "https://git.kernel.org/stable/c/d9640239827d6d0cb84263b590f7a4f1596c17eb"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/fed638a248116b8a249bd4202d28e5934bdc65ad",
"url": "https://git.kernel.org/stable/c/fed638a248116b8a249bd4202d28e5934bdc65ad"
}
],
"release_date": "2026-09-11T19:44:28Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:44:28Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2025-38352",
"cwe": {
"id": "CWE-367",
"name": "Time-of-check Time-of-use (TOCTOU) Race Condition"
},
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nposix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()\n\nIf an exiting non-autoreaping task has already passed exit_notify() and\ncalls handle_posix_cpu_timers() from IRQ, it can be reaped by its parent\nor debugger right after unlock_task_sighand().\n\nIf a concurrent posix_cpu_timer_del() runs at that moment, it won't be\nable to detect timer->it.cpu.firing != 0: cpu_timer_task_rcu() and/or\nlock_task_sighand() will fail.\n\nAdd the tsk->exit_state check into run_posix_cpu_timers() to fix this.\n\nThis fix is not needed if CONFIG_POSIX_CPU_TIMERS_TASK_WORK=y, because\nexit_task_work() is called before exit_notify(). But the check still\nmakes sense, task_work_add(&tsk->posix_cputimers_work.work) will fail\nanyway in this case.",
"title": "Vulnerability description"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2025-38352"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2c72fe18cc5f9f1750f5bc148cf1c94c29e106ff",
"url": "https://git.kernel.org/stable/c/2c72fe18cc5f9f1750f5bc148cf1c94c29e106ff"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2f3daa04a9328220de46f0d5c919a6c0073a9f0b",
"url": "https://git.kernel.org/stable/c/2f3daa04a9328220de46f0d5c919a6c0073a9f0b"
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{
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},
{
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},
{
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"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
},
{
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"summary": "https://github.com/farazsth98/chronomaly",
"url": "https://github.com/farazsth98/chronomaly"
},
{
"category": "external",
"summary": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-38352",
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-38352"
}
],
"release_date": "2025-07-22T08:15:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
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{
"category": "none_available",
"date": "2025-07-22T08:15:00Z",
"details": "Affected",
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}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Important"
}
]
},
{
"cve": "CVE-2026-89543",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nsunrpc: fix use-after-free in __rpc_clnt_handle_event and __rpc_clnt_remove_pipedir\n\nNormal client creation goes through rpc_setup_pipedir(), which records\nclnt->pipefs_sb, but the mount-event path in __rpc_clnt_handle_event()\ncalls rpc_setup_pipedir_sb() directly and never refreshes that field.\nThe umount path also removes the directory without clearing\nclnt->pipefs_sb.\n\nAfter a late pipefs mount or any remount, rpc_clnt_remove_pipedir()\ncompares the current superblock against a stale pipefs_sb pointer and\nskips cleanup, leaving pipefs dentries whose inode private data still\npoints at a freed rpc_clnt, leading to a potential use-after-free during\nsubsequent rpc_info_open() or rpc_show_info() calls.\n\nFix this by properly updating clnt->pipefs_sb upon mount events and\nclearing it during unmount or failure paths.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89543"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/59527bbfb1eabdb28e95e7c725886cc2c2899cb3",
"url": "https://git.kernel.org/stable/c/59527bbfb1eabdb28e95e7c725886cc2c2899cb3"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/932a8cf6abb2b2f8677b79153a823108d8861fe2",
"url": "https://git.kernel.org/stable/c/932a8cf6abb2b2f8677b79153a823108d8861fe2"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/cdf7a233cb94774b0e7df42d9157077983f5022c",
"url": "https://git.kernel.org/stable/c/cdf7a233cb94774b0e7df42d9157077983f5022c"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/e769fcde3cc73e847b1eb3acd40c04a291cb0c0c",
"url": "https://git.kernel.org/stable/c/e769fcde3cc73e847b1eb3acd40c04a291cb0c0c"
}
],
"release_date": "2026-09-11T19:44:19Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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},
{
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"date": "2026-09-11T19:44:19Z",
"details": "Affected",
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-74499",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: fix OOB write in snd_usbmidi_akai_output()\n\nsnd_usbmidi_akai_output() computes its fill-loop bound\n\n\tbuf_end = ep->max_transfer - MAX_AKAI_SYSEX_LEN - 1;\n\nas a signed int, so a small device-advertised bulk-OUT max_transfer\nmakes buf_end negative. The loop guard then compares the u32\nurb->transfer_buffer_length against that negative int: the usual\narithmetic conversion turns buf_end into a large unsigned value, so the\nguard stays true and each iteration keeps appending SysEx framing and\npayload bytes past the end of the URB transfer buffer, which is only\nmax_transfer bytes long.\n\nA USB device that advertises a tiny bulk-OUT endpoint can therefore\ntrigger an attacker-length- and content-controlled heap out-of-bounds\nwrite when a process writes to the created /dev/snd/midiC*D* node.\n\nReturn early when there is no room for even one SysEx, so the loop is\nnever entered with a bound that would wrap. The loop is the last\nstatement of the function, so bailing out is equivalent to it not\nrunning.\n\nDiscovered by XBOW, triaged by Baul Lee ",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-74499"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/00cc659a42ac4e94ec880fae2c9bf22fce69c2e8",
"url": "https://git.kernel.org/stable/c/00cc659a42ac4e94ec880fae2c9bf22fce69c2e8"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0970274613fb463d376211450cab066d34ebfe6a",
"url": "https://git.kernel.org/stable/c/0970274613fb463d376211450cab066d34ebfe6a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/29a4c29943631301e85f5e9d10f25741bd78e7ba",
"url": "https://git.kernel.org/stable/c/29a4c29943631301e85f5e9d10f25741bd78e7ba"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2b7a0f330dd90dd1a7657cec0db019ee1efa4372",
"url": "https://git.kernel.org/stable/c/2b7a0f330dd90dd1a7657cec0db019ee1efa4372"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/78dfdeb8d2065524ed5928d6470bf3d3244d1009",
"url": "https://git.kernel.org/stable/c/78dfdeb8d2065524ed5928d6470bf3d3244d1009"
},
{
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"summary": "https://git.kernel.org/stable/c/9b22a5c8310b0d55d04f5f0159b913a2fb8b444f",
"url": "https://git.kernel.org/stable/c/9b22a5c8310b0d55d04f5f0159b913a2fb8b444f"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b5305a0d0bb8e90a6fc9f88270d5f6c9b8c40081",
"url": "https://git.kernel.org/stable/c/b5305a0d0bb8e90a6fc9f88270d5f6c9b8c40081"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ce949d66607cfb000b8d8d84f80f35a886e72683",
"url": "https://git.kernel.org/stable/c/ce949d66607cfb000b8d8d84f80f35a886e72683"
}
],
"release_date": "2026-08-15T13:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-08-15T13:17:00Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-64564",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: don't free the ASCONF's own transport in DEL-IP processing\n\nsctp_process_asconf() caches the transport the ASCONF chunk is processed\nagainst in asconf->transport (== chunk->transport, set once in sctp_rcv()).\nFor an ASCONF located through its Address Parameter by\n__sctp_rcv_asconf_lookup(), that cached transport corresponds to the\nAddress Parameter, which need not be the packet's source address.\n\nsctp_process_asconf_param() rejects a DEL-IP for the packet source address\n(ADDIP D8, SCTP_ERROR_DEL_SRC_IP), but nothing protects asconf->transport.\nA single ASCONF can therefore carry, in order:\n\n [Address Parameter L] [DEL-IP L] [DEL-IP 0.0.0.0]\n\nwhere L differs from the source. The DEL-IP for L passes the D8 check and\ncalls sctp_assoc_rm_peer() on the transport that asconf->transport still\npoints at, freeing it (RCU-deferred). The following wildcard DEL-IP then\nreuses the now-dangling asconf->transport in sctp_assoc_set_primary() and\nsctp_assoc_del_nonprimary_peers(): set_primary() dereferences the freed\ntransport (->ipaddr, ->state) and plants the dangling pointer into\nasoc->peer.primary_path / active_path, and del_nonprimary_peers(), keeping\nonly the pointer that is no longer on the list, removes every real\ntransport, leaving the association with a transport_count of 0 and\nprimary_path/active_path pointing at freed memory.\n\nReject a DEL-IP that targets the transport the ASCONF is being processed\nagainst, mirroring the existing source-address guard, so the wildcard\nbranch can never reuse a freed transport.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-64564"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2b324ba3494ae958cba16a453e3e71489b4de7fc",
"url": "https://git.kernel.org/stable/c/2b324ba3494ae958cba16a453e3e71489b4de7fc"
},
{
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"summary": "https://git.kernel.org/stable/c/74e8f3e7114f0e26d1b2c4c048044db9fcc27603",
"url": "https://git.kernel.org/stable/c/74e8f3e7114f0e26d1b2c4c048044db9fcc27603"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/85aca407c560aba81b5ce9d3d6cf94c74077d19b",
"url": "https://git.kernel.org/stable/c/85aca407c560aba81b5ce9d3d6cf94c74077d19b"
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{
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"summary": "https://git.kernel.org/stable/c/9b2854f86f0b56e9027d68e7a3fc909d1a9b566f",
"url": "https://git.kernel.org/stable/c/9b2854f86f0b56e9027d68e7a3fc909d1a9b566f"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/a63afa1f9b12d5293cbe0b77fd45dc0632533a13",
"url": "https://git.kernel.org/stable/c/a63afa1f9b12d5293cbe0b77fd45dc0632533a13"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/a9ce31be4cb1a5dd82b3e0a1d0c3e7cbdcd31293",
"url": "https://git.kernel.org/stable/c/a9ce31be4cb1a5dd82b3e0a1d0c3e7cbdcd31293"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/d136b29bf91dd8e3161281b87de597b7311d9462",
"url": "https://git.kernel.org/stable/c/d136b29bf91dd8e3161281b87de597b7311d9462"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/fedeb4468987bcaff85fe3061de5ae052d414740",
"url": "https://git.kernel.org/stable/c/fedeb4468987bcaff85fe3061de5ae052d414740"
},
{
"category": "external",
"summary": "https://matrix.tencent.com/en/2026/08/06/sctphantom-CVE-2026-64564",
"url": "https://matrix.tencent.com/en/2026/08/06/sctphantom-CVE-2026-64564"
},
{
"category": "external",
"summary": "http://www.openwall.com/lists/oss-security/2026/08/06/13",
"url": "http://www.openwall.com/lists/oss-security/2026/08/06/13"
},
{
"category": "external",
"summary": "http://www.openwall.com/lists/oss-security/2026/08/06/3",
"url": "http://www.openwall.com/lists/oss-security/2026/08/06/3"
},
{
"category": "external",
"summary": "http://www.openwall.com/lists/oss-security/2026/08/06/4",
"url": "http://www.openwall.com/lists/oss-security/2026/08/06/4"
},
{
"category": "external",
"summary": "http://www.openwall.com/lists/oss-security/2026/08/07/1",
"url": "http://www.openwall.com/lists/oss-security/2026/08/07/1"
},
{
"category": "external",
"summary": "http://www.openwall.com/lists/oss-security/2026/08/07/2",
"url": "http://www.openwall.com/lists/oss-security/2026/08/07/2"
},
{
"category": "external",
"summary": "http://www.openwall.com/lists/oss-security/2026/08/07/8",
"url": "http://www.openwall.com/lists/oss-security/2026/08/07/8"
}
],
"release_date": "2026-08-04T07:16:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-72389",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nbridge: stp: Fix a potential use-after-free when deleting a bridge\n\nThe three STP timers are not supposed to be armed while the bridge is\nadministratively down. They are synchronously deactivated when the\nbridge is put administratively down and the various call sites check for\n'IFF_UP' before arming them.\n\nThis check is missing from br_topology_change_detection() and it is\npossible to engineer a situation in which the topology change timer is\narmed while the bridge is administratively down, resulting in a\nuse-after-free [1] when the bridge is deleted.\n\nFix by adding the missing check and for good measures synchronously\nshutdown the three timers when the bridge is deleted.\n\n[1]\nODEBUG: free active (active state 0) object: ffff88811662b9b0 object type: timer_list hint: br_topology_change_timer_expired (net/bridge/br_stp_timer.c:120)\nWARNING: lib/debugobjects.c:629 at debug_print_object+0x1bc/0x450, CPU#9: ip/359",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-72389"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/297a747f59bff6573196d7236178144d66524e68",
"url": "https://git.kernel.org/stable/c/297a747f59bff6573196d7236178144d66524e68"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2a00517db8de4be7df3d483b215c5544fb30a191",
"url": "https://git.kernel.org/stable/c/2a00517db8de4be7df3d483b215c5544fb30a191"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/39283907a25e5caf0f2bd2947f6e56644b01e2b7",
"url": "https://git.kernel.org/stable/c/39283907a25e5caf0f2bd2947f6e56644b01e2b7"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/40cbfa3a28e0919469d1b086629bb3ce38a83593",
"url": "https://git.kernel.org/stable/c/40cbfa3a28e0919469d1b086629bb3ce38a83593"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4c40eec06eeac37c58e47a6058eb32901218d5d4",
"url": "https://git.kernel.org/stable/c/4c40eec06eeac37c58e47a6058eb32901218d5d4"
},
{
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"summary": "https://git.kernel.org/stable/c/b4b3458ef88df4798632619f018791d4344bcd92",
"url": "https://git.kernel.org/stable/c/b4b3458ef88df4798632619f018791d4344bcd92"
},
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"summary": "https://git.kernel.org/stable/c/c86579b0a2d201792bcb59316629f4ba4758cfc8",
"url": "https://git.kernel.org/stable/c/c86579b0a2d201792bcb59316629f4ba4758cfc8"
}
],
"release_date": "2026-08-15T06:22:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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}
],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89736",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: u_audio: Fix use-after-free on sound card disconnect\n\ng_audio_cleanup() invokes snd_card_free_when_closed() to initiate sound\ncard teardown and immediately frees the underlying struct snd_uac_chip\ncontext. However, snd_card_free_when_closed() returns asynchronously\nwhile ALSA control elements (kctls) remain open in userspace.\n\nWhen userspace control applications access or close these open file\ndescriptors, kctl callbacks attempt to dereference kctl->private_data\npointing to &uac->c_prm or &uac->p_prm within the freed uac structure,\nresulting in a use-after-free (UAF) memory corruption.\n\nFix this issue by deferring the destruction of struct snd_uac_chip until\nall references to the ALSA sound card are released. Register a custom\ncard->private_free callback (u_audio_card_free) during g_audio_setup()\nthat frees uac and its associated playback/capture request and ring\nbuffers only when the sound card reference count drops to zero.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89736"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4e747c864a88537e18b1ffc19a1954c9686bb8e1",
"url": "https://git.kernel.org/stable/c/4e747c864a88537e18b1ffc19a1954c9686bb8e1"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/6f46762196f04464e1050a9ee94e72b917db9010",
"url": "https://git.kernel.org/stable/c/6f46762196f04464e1050a9ee94e72b917db9010"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/79a92896e2bb9471550c56fc23d8d93592f04c27",
"url": "https://git.kernel.org/stable/c/79a92896e2bb9471550c56fc23d8d93592f04c27"
},
{
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"summary": "https://git.kernel.org/stable/c/858965947081d10d41d9a1010a540d3d5eea958b",
"url": "https://git.kernel.org/stable/c/858965947081d10d41d9a1010a540d3d5eea958b"
},
{
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{
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"summary": "https://git.kernel.org/stable/c/f983793f03148b097977f200298db215cd2d4438",
"url": "https://git.kernel.org/stable/c/f983793f03148b097977f200298db215cd2d4438"
}
],
"release_date": "2026-09-11T19:46:44Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
"category": "none_available",
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"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89575",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm raid1: reserve space for NUL-terminator in build_constructor_string()\n\nReserve space for the termination NUL after the maximum 20 decimal\ndigits of a long long value to avoid buffer overflow in sprintf().",
"title": "Vulnerability description"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89575"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/01a0276706c7b6fb758a8e2ff9cf221a3dfcae97",
"url": "https://git.kernel.org/stable/c/01a0276706c7b6fb758a8e2ff9cf221a3dfcae97"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0a3657ebd6b517b60cdc5123894047616974e25b",
"url": "https://git.kernel.org/stable/c/0a3657ebd6b517b60cdc5123894047616974e25b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/1fcc9f9f35653c5ee1a8b144ec96ff3fc48532f7",
"url": "https://git.kernel.org/stable/c/1fcc9f9f35653c5ee1a8b144ec96ff3fc48532f7"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/35ba81c93fe7392c973af9881640180490e76f34",
"url": "https://git.kernel.org/stable/c/35ba81c93fe7392c973af9881640180490e76f34"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/644140527ae494cedf3b5c0ecd16287deaea7a66",
"url": "https://git.kernel.org/stable/c/644140527ae494cedf3b5c0ecd16287deaea7a66"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/73c37fe54cd056d07461b142ab0b8b81e1ef6ad8",
"url": "https://git.kernel.org/stable/c/73c37fe54cd056d07461b142ab0b8b81e1ef6ad8"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/7b035983b895db3ae01d9855963d42541db42125",
"url": "https://git.kernel.org/stable/c/7b035983b895db3ae01d9855963d42541db42125"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/f79b53ca3a68a46c6fc3b30b148d1dfb1b33ea8b",
"url": "https://git.kernel.org/stable/c/f79b53ca3a68a46c6fc3b30b148d1dfb1b33ea8b"
}
],
"release_date": "2026-09-11T19:44:43Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89440",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: via-sdmmc: stop card-detect handling on probe failure\n\nrequest_irq() registers the SD card-detect interrupt and the probe enables\nit before mmc_add_host() runs. If mmc_add_host() fails, the error path only\nunmaps the registers and returns: the interrupt stays registered, so the\nhandler keeps running against the host once it is freed. via_sdc_isr()\ndereferences sdhost and its MMIO base and schedules carddet_work, which\nvia_sdc_card_detect() also runs against freed memory through its\ncontainer_of() dereference.\n\nAdd a probe-error path that disables and frees the interrupt and cancels\ncarddet_work before unmapping. carddet_work can re-enable the device\ninterrupt via via_reset_pcictrl(), which restores PCIINTCTRL, so mask it\nagain after cancelling the work.\n\nThis issue was found by an in-house static analysis tool and confirmed by\nmanual code review.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89440"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/088eaa92fcebaa6b957ccf9635afdf39643a577d",
"url": "https://git.kernel.org/stable/c/088eaa92fcebaa6b957ccf9635afdf39643a577d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2550f89589caad7402d618d7dffc038582c94b6b",
"url": "https://git.kernel.org/stable/c/2550f89589caad7402d618d7dffc038582c94b6b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/5bb5327b92aae17e91c7228953c350a6ee3c94e8",
"url": "https://git.kernel.org/stable/c/5bb5327b92aae17e91c7228953c350a6ee3c94e8"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/806409f12fdb14c9e4c56a64494c9b75f356cd49",
"url": "https://git.kernel.org/stable/c/806409f12fdb14c9e4c56a64494c9b75f356cd49"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/c2b8a624911999399cc14822fec3e35032b3cee4",
"url": "https://git.kernel.org/stable/c/c2b8a624911999399cc14822fec3e35032b3cee4"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/d045596706d1b25d38af4a79980b017639fea9d1",
"url": "https://git.kernel.org/stable/c/d045596706d1b25d38af4a79980b017639fea9d1"
},
{
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"summary": "https://git.kernel.org/stable/c/dde5b9c91e9fc64e54a2f186d3ae95868b4dbb02",
"url": "https://git.kernel.org/stable/c/dde5b9c91e9fc64e54a2f186d3ae95868b4dbb02"
},
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"summary": "https://git.kernel.org/stable/c/efe7f25dd27e35063477b4b0e7eed3675669fd99",
"url": "https://git.kernel.org/stable/c/efe7f25dd27e35063477b4b0e7eed3675669fd99"
}
],
"release_date": "2026-09-11T19:43:09Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89656",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: reject buckets with mismatched CRUSH ids\n\ncrush_decode() stores bucket data by array slot, and the mapper later\nderives the per-bucket workspace index from the decoded bucket id. A\nmalformed map can therefore make one bucket reuse another bucket's\nworkspace by encoding an id different from -1 - slot.\n\nFor uniform buckets, the second replica selection expands the source\nbucket's permutation into that aliased workspace buffer. If the source\nbucket is larger than the aliased bucket, the write runs past the smaller\npermutation array and can escape the kvmalloc'd CRUSH workspace. KASAN\nreports a slab OOB write of 4 bytes in bucket_perm_choose().\n\nReject buckets whose encoded id does not match their array slot. Valid\nCRUSH maps already use the canonical negative id corresponding to the\nbucket slot, so this restores the invariant expected by\nwork->work[-1 - in->id] without changing valid map behavior.",
"title": "Vulnerability description"
}
],
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89656"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/00562ccd4e88d092b9b851df50fad20442bfeb24",
"url": "https://git.kernel.org/stable/c/00562ccd4e88d092b9b851df50fad20442bfeb24"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3516a4131c4e45d62ee4e42e82c36930e8c1fbbd",
"url": "https://git.kernel.org/stable/c/3516a4131c4e45d62ee4e42e82c36930e8c1fbbd"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3cde4a8302301679937474a5f7a851394cc1bd11",
"url": "https://git.kernel.org/stable/c/3cde4a8302301679937474a5f7a851394cc1bd11"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4aeb93daadf388e72073abc204312dd364eeb30a",
"url": "https://git.kernel.org/stable/c/4aeb93daadf388e72073abc204312dd364eeb30a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/6e5c6ce252b1eccfd41670a5cf95ab44f7ba7022",
"url": "https://git.kernel.org/stable/c/6e5c6ce252b1eccfd41670a5cf95ab44f7ba7022"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/79900d978158b2d80eef952fc41b9e4dc58d7b83",
"url": "https://git.kernel.org/stable/c/79900d978158b2d80eef952fc41b9e4dc58d7b83"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/baad5875fdd2f5e248250fc3519bb045d64f1716",
"url": "https://git.kernel.org/stable/c/baad5875fdd2f5e248250fc3519bb045d64f1716"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ee59040d6ed1a5f8d10d27174b8f32c90ca8e89a",
"url": "https://git.kernel.org/stable/c/ee59040d6ed1a5f8d10d27174b8f32c90ca8e89a"
}
],
"release_date": "2026-09-11T19:45:45Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:45:45Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-99999",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: validate checksum_start before completing checksum\n\nIf a packet with bad checksum metadata gets into the ipv4 stack,\nskb_checksum_help can corrupt the network header and cause a bunch of\nmischief.\n\nThis was discovered and reported by Paulos, and has been reporoduced\nby others independently since.\n\nWe really shouldn't allow such packets in, but as a defence\nin depth measure, let's also check before we complete the checksum.\n\nA more complete validation at input is forthcoming, but needs more work.",
"title": "Vulnerability description"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-99999"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0fab003ef4698e0628060a45a48f14b43ba2a40a",
"url": "https://git.kernel.org/stable/c/0fab003ef4698e0628060a45a48f14b43ba2a40a"
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{
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},
{
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"summary": "https://git.kernel.org/stable/c/6785011f8b16abf40b1e9d8b2e332232b3e68822",
"url": "https://git.kernel.org/stable/c/6785011f8b16abf40b1e9d8b2e332232b3e68822"
},
{
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"summary": "https://git.kernel.org/stable/c/94524b7b32691de2e2ce162c04d6cbc9106e5cbf",
"url": "https://git.kernel.org/stable/c/94524b7b32691de2e2ce162c04d6cbc9106e5cbf"
},
{
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"summary": "https://git.kernel.org/stable/c/a464d950f31c89565cbaae038cc60db04fe01956",
"url": "https://git.kernel.org/stable/c/a464d950f31c89565cbaae038cc60db04fe01956"
},
{
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"summary": "https://git.kernel.org/stable/c/a65f69e0f38ffbed1b128029e09097436416dc8b",
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},
{
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"summary": "https://git.kernel.org/stable/c/c3e33464746166264334641dc850a36eef7e6326",
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},
{
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"summary": "https://git.kernel.org/stable/c/f3e835af6226f1dd12160cbd696081e9b6155de0",
"url": "https://git.kernel.org/stable/c/f3e835af6226f1dd12160cbd696081e9b6155de0"
},
{
"category": "external",
"summary": "https://pwn.ai/blog/Pwnescape",
"url": "https://pwn.ai/blog/Pwnescape"
},
{
"category": "external",
"summary": "https://vercel.com/blog/findings-from-the-1-million-dollar-vercel-sandbox-challenge",
"url": "https://vercel.com/blog/findings-from-the-1-million-dollar-vercel-sandbox-challenge"
},
{
"category": "external",
"summary": "http://www.openwall.com/lists/oss-security/2026/10/15/5",
"url": "http://www.openwall.com/lists/oss-security/2026/10/15/5"
}
],
"release_date": "2026-10-15T12:19:22Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-64001",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: pcm: oss: Fix setup list UAF on proc write error\n\nsnd_pcm_oss_proc_write() links a newly allocated setup entry into the\nOSS setup list before duplicating the task name. If the task-name\nallocation fails, the error path frees the already linked entry and\nleaves setup_list pointing at freed memory.\n\nA later OSS device open can then walk the stale list entry in\nsnd_pcm_oss_look_for_setup() and dereference freed memory.\n\nAllocate the task name and initialize the setup entry before publishing\nthe entry on setup_list. Also fetch the initial proc read iterator only\nafter taking setup_mutex, so all setup_list traversal follows the same\nlist lifetime rules.",
"title": "Vulnerability description"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-64001"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4cc54bdd54b337e77115be5b55577d1c58608eae",
"url": "https://git.kernel.org/stable/c/4cc54bdd54b337e77115be5b55577d1c58608eae"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/8be4efd0dc0093eb7a02ad1aac936bca2a1f04ce",
"url": "https://git.kernel.org/stable/c/8be4efd0dc0093eb7a02ad1aac936bca2a1f04ce"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/be387230dc22d870afd0e5d35912b07c2bc323bd",
"url": "https://git.kernel.org/stable/c/be387230dc22d870afd0e5d35912b07c2bc323bd"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/e13922bb97b4e6f94f8ac02d034f2d4bd65eeb3c",
"url": "https://git.kernel.org/stable/c/e13922bb97b4e6f94f8ac02d034f2d4bd65eeb3c"
}
],
"release_date": "2026-07-19T16:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
"category": "none_available",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Important"
}
]
},
{
"cve": "CVE-2026-64505",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: function: rndis: add length check for header\n\nAdd a length check for the rndis header in rndis_rm_hdr, to ensure that\nMessageType, MessageLength, DataOffset, and DataLength fields are\npresent before they are accessed.",
"title": "Vulnerability description"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-64505"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/200dd5092296ad4d5ae47f8445a2fb1edd1da973",
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{
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},
{
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"summary": "https://git.kernel.org/stable/c/b73c0142e3acdc063b50c33afb7be19cdb2cd410",
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},
{
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"url": "https://git.kernel.org/stable/c/ba2cc601e59fe68716646199a33303493513e2e3"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/d6ef5af7d0fe1ac31e5653a77e6d775dd36bc433",
"url": "https://git.kernel.org/stable/c/d6ef5af7d0fe1ac31e5653a77e6d775dd36bc433"
}
],
"release_date": "2026-07-25T10:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-07-25T10:17:00Z",
"details": "Affected",
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-63814",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: validate ACL entry sizes in f2fs_acl_from_disk()\n\nf2fs_acl_count() only validates the aggregate ACL xattr length. A\nmalformed ACL can still place ACL_USER or ACL_GROUP in a slot that only\ncontains struct f2fs_acl_entry_short bytes, and f2fs_acl_from_disk()\nthen reads entry->e_id before verifying that a full entry fits.\n\nRequire a short entry before reading e_tag and e_perm, and require a\nfull entry before reading e_id for ACL_USER and ACL_GROUP. Return\n-EFSCORRUPTED from these new truncated-entry checks, while keeping the\npre-existing -EINVAL paths unchanged.\n\nValidation reproduced this kernel report:\nKASAN slab-out-of-bounds in __f2fs_get_acl+0x6fb/0x7e0\nRIP: 0033:0x7f4b835ea7aa\nThe buggy address belongs to the object at ffff888114589960 which belongs\nto the cache kmalloc-8 of size 8\nThe buggy address is located 0 bytes to the right of allocated 8-byte\nregion [ffff888114589960, ffff888114589968)\nRead of size 4\nCall trace:\n dump_stack_lvl+0x66/0xa0 (?:?)\n print_report+0xce/0x630 (?:?)\n __f2fs_get_acl+0x6fb/0x7e0 (fs/f2fs/acl.c:169)\n srso_alias_return_thunk+0x5/0xfbef5 (?:?)\n __virt_addr_valid+0x224/0x430 (?:?)\n kasan_report+0xe0/0x110 (?:?)\n __f2fs_get_acl+0x5/0x7e0 (fs/f2fs/acl.c:169)\n __get_acl+0x281/0x380 (?:?)\n vfs_get_acl+0x10b/0x190 (?:?)\n do_get_acl+0x2a/0x410 (?:?)\n do_get_acl+0x9/0x410 (?:?)\n do_getxattr+0xe8/0x260 (?:?)\n filename_getxattr+0xd1/0x140 (?:?)\n do_getname+0x2d/0x2d0 (?:?)\n path_getxattrat+0x16c/0x200 (?:?)\n lock_release+0xc8/0x290 (?:?)\n cgroup_update_frozen+0x9d/0x320 (?:?)\n lockdep_hardirqs_on_prepare+0xea/0x1a0 (?:?)\n trace_hardirqs_on+0x1a/0x170 (?:?)\n _raw_spin_unlock_irq+0x28/0x50 (?:?)\n do_syscall_64+0x115/0x6a0 (arch/x86/entry/syscall_64.c:87)\n entry_SYSCALL_64_after_hwframe+0x77/0x7f (?:?)",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-63814"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/1ddf3fd21c4c652f9cab5552515c04a166662306",
"url": "https://git.kernel.org/stable/c/1ddf3fd21c4c652f9cab5552515c04a166662306"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/442ca20c54038e2400cf28aaa944cf1de2c8e65d",
"url": "https://git.kernel.org/stable/c/442ca20c54038e2400cf28aaa944cf1de2c8e65d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4e2a96ec7236e248e706850568e0a925fd21b588",
"url": "https://git.kernel.org/stable/c/4e2a96ec7236e248e706850568e0a925fd21b588"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/5d8a39649947a4e86c8fbc682d7fc0041b8d109a",
"url": "https://git.kernel.org/stable/c/5d8a39649947a4e86c8fbc682d7fc0041b8d109a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/733cd8474e6d763d75ed96f3f2b98a25480cf2b9",
"url": "https://git.kernel.org/stable/c/733cd8474e6d763d75ed96f3f2b98a25480cf2b9"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/aba4f94ac1832c7299c33e1b4fe5f87eef6dc8f1",
"url": "https://git.kernel.org/stable/c/aba4f94ac1832c7299c33e1b4fe5f87eef6dc8f1"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/c4810ada31e80cbe4011467c4f3b1e93f94134f3",
"url": "https://git.kernel.org/stable/c/c4810ada31e80cbe4011467c4f3b1e93f94134f3"
},
{
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"summary": "https://git.kernel.org/stable/c/ff83de56882cb8466184d322abece2589258ca56",
"url": "https://git.kernel.org/stable/c/ff83de56882cb8466184d322abece2589258ca56"
}
],
"release_date": "2026-07-19T12:16:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-64483",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: firewire: isight: bound the sample count to the packet payload\n\nisight_packet() takes the frame count from the device iso packet and\nchecks it only against the device claimed iso length.\n\n\tcount = be32_to_cpu(payload->sample_count);\n\tif (likely(count <= (length - 16) / 4))\n\t\tisight_samples(isight, payload->samples, count);\n\nlength is the iso header data_length. It can be up to 0xffff. So the\ngate allows a count up to about 16379. isight_samples() then copies\ncount frames out of payload->samples into the PCM DMA buffer.\n\npayload->samples holds only 2 * MAX_FRAMES_PER_PACKET values. The\ndevice multiplexes two samples per frame. A count past\nMAX_FRAMES_PER_PACKET reads past the payload. A count past the buffer\nsize writes past runtime->dma_area. The smallest PCM buffer is larger\nthan MAX_FRAMES_PER_PACKET. Bounding the count to MAX_FRAMES_PER_PACKET\nkeeps both the read and the write in range.\n\nA malicious or faulty Apple iSight on the FireWire bus reaches this\nduring a normal capture.\n\nAdd the MAX_FRAMES_PER_PACKET bound to the gate.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-64483"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/24423e0a9251d348c3f1fb0bb0e61b879e1e976c",
"url": "https://git.kernel.org/stable/c/24423e0a9251d348c3f1fb0bb0e61b879e1e976c"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/29b9667982e4df2ed7744f86b1144f8bb58eb698",
"url": "https://git.kernel.org/stable/c/29b9667982e4df2ed7744f86b1144f8bb58eb698"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/31a01b70bb90e3ef3147f308e2ea899e1d2485ca",
"url": "https://git.kernel.org/stable/c/31a01b70bb90e3ef3147f308e2ea899e1d2485ca"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/31da82b9676c6b112e7c72c7529e6812b919742a",
"url": "https://git.kernel.org/stable/c/31da82b9676c6b112e7c72c7529e6812b919742a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3ed2fa1ed8cc65f910b8bbc0be3cc366b30f8478",
"url": "https://git.kernel.org/stable/c/3ed2fa1ed8cc65f910b8bbc0be3cc366b30f8478"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/57e4d9043afc1eaddee8f50d11def6e65415d273",
"url": "https://git.kernel.org/stable/c/57e4d9043afc1eaddee8f50d11def6e65415d273"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/8e48a29813df8dd71503800b7acf69c12c035045",
"url": "https://git.kernel.org/stable/c/8e48a29813df8dd71503800b7acf69c12c035045"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ebbffacda6733dcbcef601b5b523460f8d8b671e",
"url": "https://git.kernel.org/stable/c/ebbffacda6733dcbcef601b5b523460f8d8b671e"
}
],
"release_date": "2026-07-25T10:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-07-25T10:17:00Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89733",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: uvc: fix dangling pointers in uvc_function_bind() and uvc_function_unbind()\n\nIn uvc_function_bind() error path, we use usb_ep_free_request which\nuses uvc->control_req but does not set it to NULL afterwards. Thus,\nuvc->control_req is a dangling pointer causing a UAF. Also we do not set\nthe uvc->control_buf pointer to NULL after freeing it, which is another\ndangling pointer. Fix it by setting uvc->control_req to NULL after we run\nusb_ep_free_request() and uvc->control_buf to NULL after kfree. Do the\nsame for uvc_function_unbind().",
"title": "Vulnerability description"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89733"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/38f822ddce9355893d734279a26ddec45182197e",
"url": "https://git.kernel.org/stable/c/38f822ddce9355893d734279a26ddec45182197e"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/502a7f5b79b7ba751988789e982924f8f496129f",
"url": "https://git.kernel.org/stable/c/502a7f5b79b7ba751988789e982924f8f496129f"
},
{
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"summary": "https://git.kernel.org/stable/c/85dd5e8bd6776d02854f2847d83429f1f712e99c",
"url": "https://git.kernel.org/stable/c/85dd5e8bd6776d02854f2847d83429f1f712e99c"
},
{
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},
{
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},
{
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},
{
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"summary": "https://git.kernel.org/stable/c/bec7708eb3b5295d12e931db24381b7c94c72953",
"url": "https://git.kernel.org/stable/c/bec7708eb3b5295d12e931db24381b7c94c72953"
},
{
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"url": "https://git.kernel.org/stable/c/ddb1b0d5d858584ed0d3a5aaa042ee693998c7e2"
}
],
"release_date": "2026-09-11T19:46:42Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-64381",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: Fix next buffer leak in receive_encrypted_standard()\n\nreceive_encrypted_standard() allocates next_buffer before checking\nwhether the number of compound PDUs already reached MAX_COMPOUND. If\nthe limit check fails, the function returns immediately and the newly\nallocated next_buffer is not assigned to server->smallbuf/server->bigbuf,\nmaking it leaked.\n\nMove the MAX_COMPOUND check before allocating next_buffer.",
"title": "Vulnerability description"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-64381"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/07e0ab81df1790afa35732a4e8e07ff831b29008",
"url": "https://git.kernel.org/stable/c/07e0ab81df1790afa35732a4e8e07ff831b29008"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/1c6267a1d5cf4c73b656f8181b310cbbb3e4767b",
"url": "https://git.kernel.org/stable/c/1c6267a1d5cf4c73b656f8181b310cbbb3e4767b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/297243e365fc9fe2f8e9b7dd535a65d922cd108b",
"url": "https://git.kernel.org/stable/c/297243e365fc9fe2f8e9b7dd535a65d922cd108b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/67097772df7791c53d608f04bd31c676ccf79b83",
"url": "https://git.kernel.org/stable/c/67097772df7791c53d608f04bd31c676ccf79b83"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/68fc0b6cc03ca58060c0f36454e169f5fe258974",
"url": "https://git.kernel.org/stable/c/68fc0b6cc03ca58060c0f36454e169f5fe258974"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/9136a08dc29328edd9867f2545e73906ac9df93b",
"url": "https://git.kernel.org/stable/c/9136a08dc29328edd9867f2545e73906ac9df93b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/927d4805aea0a287d36dd4f826ee24d69a2afee3",
"url": "https://git.kernel.org/stable/c/927d4805aea0a287d36dd4f826ee24d69a2afee3"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/94e4f672db029414b9888b5137a7559f1febf2d8",
"url": "https://git.kernel.org/stable/c/94e4f672db029414b9888b5137a7559f1febf2d8"
}
],
"release_date": "2026-07-25T10:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
]
},
{
"cve": "CVE-2026-74540",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: fix UAF in l2cap_le_connect_rsp\n\nl2cap_le_connect_rsp() obtains a channel via\n__l2cap_get_chan_by_ident() but neither holds a reference nor uses\nl2cap_chan_hold_unless_zero() before locking and operating on it.\nA concurrent l2cap_chan_del() triggered by a remote disconnect can\nfree the channel between the lookup and l2cap_chan_lock(), causing\na use-after-free.\n\nThe BR/EDR counterpart l2cap_connect_rsp() and the sibling handler\nl2cap_le_command_rej() already use l2cap_chan_hold_unless_zero()\nto safely hold a reference, but l2cap_le_connect_rsp() was left\nunprotected.\n\nFix by adding l2cap_chan_hold_unless_zero() after the ident lookup\nand l2cap_chan_put() on the exit path, consistent with other L2CAP\nresponse handlers.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-74540"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/09f447accc2570751e7d17f0dc0788b40d3edade",
"url": "https://git.kernel.org/stable/c/09f447accc2570751e7d17f0dc0788b40d3edade"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/15d6c2367217a6a20b1abae9f38ded716bf620f1",
"url": "https://git.kernel.org/stable/c/15d6c2367217a6a20b1abae9f38ded716bf620f1"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/1818180fe12d6cec7a437bc59cde8efdf6b10250",
"url": "https://git.kernel.org/stable/c/1818180fe12d6cec7a437bc59cde8efdf6b10250"
},
{
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"summary": "https://git.kernel.org/stable/c/522b730c62c53a1981604fd73524697fd347830d",
"url": "https://git.kernel.org/stable/c/522b730c62c53a1981604fd73524697fd347830d"
},
{
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"summary": "https://git.kernel.org/stable/c/58e3c5289ad230a7e24ae4b0c7b43f5ee6e32136",
"url": "https://git.kernel.org/stable/c/58e3c5289ad230a7e24ae4b0c7b43f5ee6e32136"
},
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},
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},
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"category": "external",
"summary": "https://git.kernel.org/stable/c/fd4c1e301bdec60a40728ea37de531cbccda501a",
"url": "https://git.kernel.org/stable/c/fd4c1e301bdec60a40728ea37de531cbccda501a"
}
],
"release_date": "2026-08-15T13:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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},
{
"category": "none_available",
"date": "2026-08-15T13:17:00Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-74556",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer\n\niscsi_tcp_hdr_dissect() receives the data segment of several PDU types\ninto the fixed-size conn->data buffer, which is allocated for\nISCSI_DEF_MAX_RECV_SEG_LEN (8192) bytes. For the LOGIN_RSP, TEXT_RSP,\nREJECT and ASYNC_EVENT opcodes the dissect path already rejects a PDU\nwhose DataSegmentLength exceeds that buffer.\n\nThe SCSI Command Response (ISCSI_OP_SCSI_CMD_RSP) path also copies its\ndata segment (sense/response data) into conn->data via\niscsi_tcp_data_recv_prep(), but it does so without the same check. The\nonly upstream bound on in.datalen is conn->max_recv_dlength, the\ninitiator's advertised MaxRecvDataSegmentLength, which is commonly\nnegotiated well above 8192 (open-iscsi defaults to 262144). A target\nthat returns a SCSI Response with a DataSegmentLength between 8193 and\nmax_recv_dlength therefore overflows the 8192-byte conn->data buffer.\n\nOnce the same bound applies, ISCSI_OP_SCSI_CMD_RSP is handled exactly\nlike those responses: bound the data segment, receive it into conn->data\nwhen present, and otherwise complete the PDU with no data. Fold the\nopcode into that case group rather than duplicating the check.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-74556"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/084af0253673425ce2ae62e3c7f74f0dd023711b",
"url": "https://git.kernel.org/stable/c/084af0253673425ce2ae62e3c7f74f0dd023711b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/72815741715bd41556dac5eeb068bf0f8af06ee7",
"url": "https://git.kernel.org/stable/c/72815741715bd41556dac5eeb068bf0f8af06ee7"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/a51812842084fd390590ab8dc0431f10c73ddc56",
"url": "https://git.kernel.org/stable/c/a51812842084fd390590ab8dc0431f10c73ddc56"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/a8f94cc9f0e5759252551be3a172960c57f21f54",
"url": "https://git.kernel.org/stable/c/a8f94cc9f0e5759252551be3a172960c57f21f54"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b0aa3e8e2ab4ca92adb28a3ef41873b3363b8676",
"url": "https://git.kernel.org/stable/c/b0aa3e8e2ab4ca92adb28a3ef41873b3363b8676"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/c1dea15f819cded9b3faf58f8bec72323568b6e6",
"url": "https://git.kernel.org/stable/c/c1dea15f819cded9b3faf58f8bec72323568b6e6"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/c97b5265cc47775f77fd2a23d6bde0426997b233",
"url": "https://git.kernel.org/stable/c/c97b5265cc47775f77fd2a23d6bde0426997b233"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/f1a3a51fc5dba0e99532379665069f1700da6b44",
"url": "https://git.kernel.org/stable/c/f1a3a51fc5dba0e99532379665069f1700da6b44"
}
],
"release_date": "2026-08-15T13:18:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-52955",
"cwe": {
"id": "CWE-125",
"name": "Out-of-bounds Read"
},
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: Fix potential out-of-bounds access in crush_decode()\n\nA message of type CEPH_MSG_OSD_MAP containing a crush map with at least\none bucket has two fields holding the bucket algorithm. If the values\nin these two fields differ, an out-of-bounds access can occur. This is\nthe case because the first algorithm field (alg) is used to allocate\nthe correct amount of memory for a bucket of this type, while the second\nalgorithm field inside the bucket (b->alg) is used in the subsequent\nprocessing.\n\nThis patch fixes the issue by adding a check that compares alg and\nb->alg and aborts the processing in case they differ. Furthermore,\nb->alg is set to 0 in this case, because the destruction of the crush\nmap also uses this field to determine the bucket type, which can again\nresult in an out-of-bounds access when trying to free the memory pointed\nto by the fields of the bucket. To correctly free the memory allocated\nfor the bucket in such a case, the corresponding call to kfree is moved\nfrom the algorithm-specific crush_destroy_bucket functions to the\ngeneric crush_destroy_bucket().",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-52955"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0f3604cbe4df14c5e58288ac9f57511e726a222d",
"url": "https://git.kernel.org/stable/c/0f3604cbe4df14c5e58288ac9f57511e726a222d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3f42508191e129ee6b5ea96578d5cab14f2a013a",
"url": "https://git.kernel.org/stable/c/3f42508191e129ee6b5ea96578d5cab14f2a013a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4c79fc2d598694bda845b46229c9d48b65042970",
"url": "https://git.kernel.org/stable/c/4c79fc2d598694bda845b46229c9d48b65042970"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/6e70ef53e818c53eab28d7b0026b7fd03dddaba5",
"url": "https://git.kernel.org/stable/c/6e70ef53e818c53eab28d7b0026b7fd03dddaba5"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/cceb10023e76bc89f3fe9238ebd0ccab0fc7c7c5",
"url": "https://git.kernel.org/stable/c/cceb10023e76bc89f3fe9238ebd0ccab0fc7c7c5"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ea0d42137f0c06da71e37ffc647aab4c5309599a",
"url": "https://git.kernel.org/stable/c/ea0d42137f0c06da71e37ffc647aab4c5309599a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ebe76d58a48a48031b98543d86c4cd30a825b622",
"url": "https://git.kernel.org/stable/c/ebe76d58a48a48031b98543d86c4cd30a825b622"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/fb176a99e4c1a5a8448a83d83d3606203ba81faa",
"url": "https://git.kernel.org/stable/c/fb176a99e4c1a5a8448a83d83d3606203ba81faa"
},
{
"category": "external",
"summary": "https://access.redhat.com/security/cve/CVE-2026-52955",
"url": "https://access.redhat.com/security/cve/CVE-2026-52955"
},
{
"category": "external",
"summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2492328",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492328"
},
{
"category": "external",
"summary": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52955.json",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52955.json"
}
],
"release_date": "2026-06-24T17:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-64563",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nrhashtable: clear stale iter->p on table restart\n\nrhashtable_walk_start_check() has two restart paths when resuming a walk.\nWhen iter->walker.tbl is valid, it re-validates iter->p against the table\nand sets iter->p = NULL if the object is gone. When iter->walker.tbl is\nNULL (table was freed during resize), it resets slot and skip but forgets\nto clear iter->p.\n\nrhashtable_walk_next() then dereferences the stale iter->p, reading\nfreed memory. This is a use-after-free.\n\nAny caller that does multi-fragment rhashtable walks across\nwalk_stop/walk_start boundaries is affected. Concrete cases include\nnetlink_diag (__netlink_diag_dump in net/netlink/diag.c) and TIPC\n(tipc_nl_sk_walk in net/tipc/socket.c).\n\nCrash stack (netlink_diag):\n BUG: KASAN: slab-use-after-free in rhashtable_walk_next+0x365/0x3c0\n Read of size 8 at addr ffff88801a9d2438 (freed kmalloc-2k, offset 1080)\n Call Trace:\n rhashtable_walk_next+0x365/0x3c0 (lib/rhashtable.c:1016)\n __netlink_diag_dump+0x160/0x760 (net/netlink/diag.c:122)\n netlink_diag_dump+0xc2/0x240\n netlink_dump+0x5bc/0x1270\n netlink_recvmsg+0x7a3/0x980\n sock_recvmsg+0x1bc/0x200\n __sys_recvfrom+0x1d4/0x2c0",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-64563"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/042fda5c088015f18838e5c692659a7be60aeb26",
"url": "https://git.kernel.org/stable/c/042fda5c088015f18838e5c692659a7be60aeb26"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0955b65c2b47c30b439e2cf1b1e375073aa0413a",
"url": "https://git.kernel.org/stable/c/0955b65c2b47c30b439e2cf1b1e375073aa0413a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/3ff7c1dbf722cf3fa538672452ba182318e0fcc3",
"url": "https://git.kernel.org/stable/c/3ff7c1dbf722cf3fa538672452ba182318e0fcc3"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/4169d9fb92f313ff8e7e83d733c1ecdcc93eebd3",
"url": "https://git.kernel.org/stable/c/4169d9fb92f313ff8e7e83d733c1ecdcc93eebd3"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/8173f7e2ce67e6ca1d4763f3da14e5b01ce77456",
"url": "https://git.kernel.org/stable/c/8173f7e2ce67e6ca1d4763f3da14e5b01ce77456"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/a0406c40c6638c5ae50257db6297b2fba6c9ba16",
"url": "https://git.kernel.org/stable/c/a0406c40c6638c5ae50257db6297b2fba6c9ba16"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ba510b5e9fe396497d31162acb579f210adfe6c8",
"url": "https://git.kernel.org/stable/c/ba510b5e9fe396497d31162acb579f210adfe6c8"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/c39643ad99fea749be50615550e8f0e6d6e60694",
"url": "https://git.kernel.org/stable/c/c39643ad99fea749be50615550e8f0e6d6e60694"
}
],
"release_date": "2026-08-04T07:16:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-08-04T07:16:00Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-89559",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibnvdimm/labels: Prevent integer overflow in __nd_label_validate()\n\nThe on-media namespace index field nslot is a u32 read from the DIMM\nlabel storage area. __nd_label_validate() bounds it against the config\narea size, but sizeof_namespace_label() returns unsigned, so the product\nnslot * label_size is evaluated in 32-bit and wraps modulo 2^32 before\nthe comparison. A crafted nslot passes the bound and is then used as the\nloop trip count in nd_label_data_init(), whose memset() walks off the end\nof the config_size buffer: an out-of-bounds write.\n\nThe field is not trusted -- it comes from the medium, or from userspace\nvia ND_CMD_SET_CONFIG_DATA. Evaluate the product in 64-bit so the bound\ncheck is exact; conforming labels are unaffected.\n\nThe check was safe when introduced by commit 4a826c83db4e (\"libnvdimm:\nnamespace indices: read and validate\"): it multiplied by sizeof(struct\nnd_namespace_label), a size_t, so on a 64-bit build the product did not\nwrap. Commit 564e871aa66f (\"libnvdimm, label: add v1.2 nvdimm label\ndefinitions\") narrowed it to 32 bits when the label size became a runtime\nvalue read via sizeof_namespace_label().",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-89559"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/037770686126155eafc44501312989e2837b9659",
"url": "https://git.kernel.org/stable/c/037770686126155eafc44501312989e2837b9659"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/09e649117c54b7e1c004f22eaa19efbadd9ac856",
"url": "https://git.kernel.org/stable/c/09e649117c54b7e1c004f22eaa19efbadd9ac856"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/1c391696d2791f82ae462e11da9a0d96f90b240c",
"url": "https://git.kernel.org/stable/c/1c391696d2791f82ae462e11da9a0d96f90b240c"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/6030597ec683d1e5b46445f888bb5c7776b5a0c4",
"url": "https://git.kernel.org/stable/c/6030597ec683d1e5b46445f888bb5c7776b5a0c4"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/69a734359639fca16a0dd73ab17a34943e76c68b",
"url": "https://git.kernel.org/stable/c/69a734359639fca16a0dd73ab17a34943e76c68b"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/93967bfb17dab66642c57e609c99e1a91fe11278",
"url": "https://git.kernel.org/stable/c/93967bfb17dab66642c57e609c99e1a91fe11278"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b4975f2ff6c82adc24ae547f029f82530ba43cfe",
"url": "https://git.kernel.org/stable/c/b4975f2ff6c82adc24ae547f029f82530ba43cfe"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/e057efcc9c71d90099d9ee00bed0748d0e9fd586",
"url": "https://git.kernel.org/stable/c/e057efcc9c71d90099d9ee00bed0748d0e9fd586"
}
],
"release_date": "2026-09-11T19:44:31Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-74444",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vmwgfx: validate DRAW_PRIMITIVES header size before division\n\nvmw_cmd_draw() computes\n\n\tmaxnum = (header->size - sizeof(cmd->body)) / sizeof(*decl);\n\nwhere header->size is u32 and is taken straight from the user-supplied\ncommand stream. When header->size is less than sizeof(cmd->body) the\nunsigned subtraction wraps to nearly 4 GiB, producing a huge maxnum.\nAny user-controlled cmd->body.numVertexDecls then passes the bound and\nthe loop dereferences decl[i] far past the end of the kernel command\nbounce buffer, producing an out-of-bounds read of kernel memory.\n\nReject undersized headers up front.",
"title": "Vulnerability description"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-74444"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/112c6ff29a56f3a22db4d5af869697aa07035ad6",
"url": "https://git.kernel.org/stable/c/112c6ff29a56f3a22db4d5af869697aa07035ad6"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/2666cddf0dd218aa9bd1f99db688d1b532eac21a",
"url": "https://git.kernel.org/stable/c/2666cddf0dd218aa9bd1f99db688d1b532eac21a"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/85891d174707d8bddcec7a888fb4e1d17def34f3",
"url": "https://git.kernel.org/stable/c/85891d174707d8bddcec7a888fb4e1d17def34f3"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/b89ca4bba820f79dde52af15ee139fe6e8bbc314",
"url": "https://git.kernel.org/stable/c/b89ca4bba820f79dde52af15ee139fe6e8bbc314"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/bef30317fcb4c838a37bceb2fc76256eb6b975c1",
"url": "https://git.kernel.org/stable/c/bef30317fcb4c838a37bceb2fc76256eb6b975c1"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/c77cf8edae2bd3a1599115301cc7c98d0c78e731",
"url": "https://git.kernel.org/stable/c/c77cf8edae2bd3a1599115301cc7c98d0c78e731"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/dc0be7662b7b0ce28cb5eea864737793ed7b9e70",
"url": "https://git.kernel.org/stable/c/dc0be7662b7b0ce28cb5eea864737793ed7b9e70"
},
{
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"summary": "https://git.kernel.org/stable/c/fc0c02f510e41650df3479f96e257acf87d8a20a",
"url": "https://git.kernel.org/stable/c/fc0c02f510e41650df3479f96e257acf87d8a20a"
}
],
"release_date": "2026-08-15T13:17:00Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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{
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
]
},
{
"cve": "CVE-2026-81000",
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: tun: bound receive headroom\n\ntun_get_user() uses tun->align both as skb headroom and when choosing how\nmuch packet data to keep linear. OVS can propagate an oversized headroom\nrequest from another port to TUN or TAP.\n\nWhen align is larger than the usable space in a one-page skb head,\nSKB_MAX_HEAD(align) underflows and the result becomes negative when stored\nin good_linear. That value later wraps when assigned to the size_t linear\nvariable, and tun_alloc_skb() can place skb->data outside the allocated\nhead.\n\nBound the headroom stored by TUN to the one-page skb-head budget and the\nlargest non-sentinel 16-bit skb header offset. Leave one linear byte for\nraw TUN and a complete Ethernet header for TAP, including NET_IP_ALIGN.\n\nAlso pull the raw-TUN protocol byte and the TAP Ethernet header before\naccessing them, so these checks remain safe for nonlinear skbs supplied by\nother allocation paths.",
"title": "Vulnerability description"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2026-81000"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/010eee265d6bd8769b6a523d2a0693d9b3f5df43",
"url": "https://git.kernel.org/stable/c/010eee265d6bd8769b6a523d2a0693d9b3f5df43"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/0ada54ea63e48b9c1608e917ccb7dfadbe86db28",
"url": "https://git.kernel.org/stable/c/0ada54ea63e48b9c1608e917ccb7dfadbe86db28"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/18ef24cdb2eba32e38f1d27f2d02b7b4212e8f76",
"url": "https://git.kernel.org/stable/c/18ef24cdb2eba32e38f1d27f2d02b7b4212e8f76"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/379d85c7f25f3e05a428225e6b8a65613c6e9b9d",
"url": "https://git.kernel.org/stable/c/379d85c7f25f3e05a428225e6b8a65613c6e9b9d"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/447c9303942c439a117d9b76ce6d6e2116b38ee7",
"url": "https://git.kernel.org/stable/c/447c9303942c439a117d9b76ce6d6e2116b38ee7"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/708e87937de93f445225c134a2e20519f9b4ce60",
"url": "https://git.kernel.org/stable/c/708e87937de93f445225c134a2e20519f9b4ce60"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/ad715e713610d2d5473c3a6498c825ccecf26491",
"url": "https://git.kernel.org/stable/c/ad715e713610d2d5473c3a6498c825ccecf26491"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/e098d9cc8859614a7f7baebc96e32a5a16b18ed2",
"url": "https://git.kernel.org/stable/c/e098d9cc8859614a7f7baebc96e32a5a16b18ed2"
}
],
"release_date": "2026-09-11T19:42:54Z",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T14:23:41.659527Z",
"details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819",
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"url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792419819"
},
{
"category": "none_available",
"date": "2026-09-11T19:42:54Z",
"details": "Affected",
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"threats": [
{
"category": "impact",
"details": "Critical"
}
]
}
]
}