{ "document": { "aggregate_severity": { "text": "High" }, "category": "csaf_vex", "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" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/debian10els/vex/2025/cve-2025-38459-els_os-debian10els.json" } ], "tracking": { "current_release_date": "2026-08-25T12:54:57Z", "generator": { "date": "2026-08-25T12:54:57Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2025-38459-ELS_OS-DEBIAN10ELS", "initial_release_date": "2025-07-25T16:15:00Z", "revision_history": [ { "date": "2025-07-25T16:15:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-08-25T12:54:57Z", "number": "2", "summary": "Official Publication" } ], "status": "final", "version": "2" }, "title": "Security update on 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"linux-cpupower-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10", "product_id": "Debian-10:linux-cpupower-0:4.19.325-1+tuxcare.els1.amd64" }, "product_reference": "linux-cpupower-0:4.19.325-1+tuxcare.els1.amd64", "relates_to_product_reference": "Debian-10" }, { "category": "default_component_of", "full_product_name": { "name": "linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10", "product_id": "Debian-10:linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64" }, "product_reference": "linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64", "relates_to_product_reference": "Debian-10" }, { "category": "default_component_of", "full_product_name": { "name": "hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10", "product_id": "Debian-10:hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64" }, "product_reference": "hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64", "relates_to_product_reference": "Debian-10" }, { "category": "default_component_of", "full_product_name": { "name": "linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10", "product_id": "Debian-10:linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64" }, "product_reference": "linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64", "relates_to_product_reference": "Debian-10" } ] }, "vulnerabilities": [ { "cve": "CVE-2025-38459", "cwe": { "id": "CWE-674", "name": "Uncontrolled Recursion" }, "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\n\natm: clip: Fix infinite recursive call of clip_push().\n\nsyzbot reported the splat below. [0]\n\nThis happens if we call ioctl(ATMARP_MKIP) more than once.\n\nDuring the first call, clip_mkip() sets clip_push() to vcc->push(),\nand the second call copies it to clip_vcc->old_push().\n\nLater, when the socket is close()d, vcc_destroy_socket() passes\nNULL skb to clip_push(), which calls clip_vcc->old_push(),\ntriggering the infinite recursion.\n\nLet's prevent the second ioctl(ATMARP_MKIP) by checking\nvcc->user_back, which is allocated by the first call as clip_vcc.\n\nNote also that we use lock_sock() to prevent racy calls.\n\n[0]:\nBUG: TASK stack guard page was hit at ffffc9000d66fff8 (stack is ffffc9000d670000..ffffc9000d678000)\nOops: stack guard page: 0000 [#1] SMP KASAN NOPTI\nCPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted 6.16.0-rc4-syzkaller #0 PREEMPT(full)\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\nRIP: 0010:clip_push+0x5/0x720 net/atm/clip.c:191\nCode: e0 8f aa 8c e8 1c ad 5b fa eb ae 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 <41> 57 41 56 41 55 41 54 53 48 83 ec 20 48 89 f3 49 89 fd 48 bd 00\nRSP: 0018:ffffc9000d670000 EFLAGS: 00010246\nRAX: 1ffff1100235a4a5 RBX: ffff888011ad2508 RCX: ffff8880003c0000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888037f01000\nRBP: dffffc0000000000 R08: ffffffff8fa104f7 R09: 1ffffffff1f4209e\nR10: dffffc0000000000 R11: ffffffff8a99b300 R12: ffffffff8a99b300\nR13: ffff888037f01000 R14: ffff888011ad2500 R15: ffff888037f01578\nFS: 000055557ab6d500(0000) GS:ffff88808d250000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: ffffc9000d66fff8 CR3: 0000000043172000 CR4: 0000000000352ef0\nCall Trace:\n \n clip_push+0x6dc/0x720 net/atm/clip.c:200\n clip_push+0x6dc/0x720 net/atm/clip.c:200\n clip_push+0x6dc/0x720 net/atm/clip.c:200\n...\n clip_push+0x6dc/0x720 net/atm/clip.c:200\n clip_push+0x6dc/0x720 net/atm/clip.c:200\n clip_push+0x6dc/0x720 net/atm/clip.c:200\n vcc_destroy_socket net/atm/common.c:183 [inline]\n vcc_release+0x157/0x460 net/atm/common.c:205\n __sock_release net/socket.c:647 [inline]\n sock_close+0xc0/0x240 net/socket.c:1391\n __fput+0x449/0xa70 fs/file_table.c:465\n task_work_run+0x1d1/0x260 kernel/task_work.c:227\n resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]\n exit_to_user_mode_loop+0xec/0x110 kernel/entry/common.c:114\n exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]\n syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]\n syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]\n do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7ff31c98e929\nCode: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007fffb5aa1f78 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4\nRAX: 0000000000000000 RBX: 0000000000012747 RCX: 00007ff31c98e929\nRDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003\nRBP: 00007ff31cbb7ba0 R08: 0000000000000001 R09: 0000000db5aa226f\nR10: 00007ff31c7ff030 R11: 0000000000000246 R12: 00007ff31cbb608c\nR13: 00007ff31cbb6080 R14: ffffffffffffffff R15: 00007fffb5aa2090\n \nModules linked in:", "title": "Vulnerability description" }, { "category": "other", "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.", "title": "Statement" } ], "product_status": { "known_not_affected": [ "Debian-10:hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:libbpf-dev-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:libbpf4.19-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:libcpupower-dev-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:libcpupower1-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-compiler-gcc-8-x86-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-config-4.19-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-cpupower-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-doc-4.19-0:4.19.325-1+tuxcare.els1.all", "Debian-10:linux-headers-4.19.0-28-all-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-headers-4.19.0-28-common-0:4.19.325-1+tuxcare.els1.all", "Debian-10:linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-image-amd64-signed-template-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-kbuild-4.19-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-libc-dev-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-perf-4.19-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-source-4.19-0:4.19.325-1+tuxcare.els1.all", "Debian-10:linux-support-4.19.0-28-0:4.19.325-1+tuxcare.els1.all" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2025-38459" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/024876b247a882972095b22087734dcd23396a4e", "url": "https://git.kernel.org/stable/c/024876b247a882972095b22087734dcd23396a4e" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/125166347d5676466d368aadc0bbc31ee7714352", "url": "https://git.kernel.org/stable/c/125166347d5676466d368aadc0bbc31ee7714352" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/1579a2777cb914a249de22c789ba4d41b154509f", "url": "https://git.kernel.org/stable/c/1579a2777cb914a249de22c789ba4d41b154509f" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/3f61b997fe014bbfcc208a9fcbd363a1fe7e3a31", "url": "https://git.kernel.org/stable/c/3f61b997fe014bbfcc208a9fcbd363a1fe7e3a31" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/5641019dfbaee5e85fe093b590f0451c9dd4d6f8", "url": "https://git.kernel.org/stable/c/5641019dfbaee5e85fe093b590f0451c9dd4d6f8" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/c489f3283dbfc0f3c00c312149cae90d27552c45", "url": "https://git.kernel.org/stable/c/c489f3283dbfc0f3c00c312149cae90d27552c45" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/df0312d8859763aa15b8b56ac151a1ea4a4e5b88", "url": "https://git.kernel.org/stable/c/df0312d8859763aa15b8b56ac151a1ea4a4e5b88" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/f493f31a63847624fd3199ac836a8bd8828e50e2", "url": "https://git.kernel.org/stable/c/f493f31a63847624fd3199ac836a8bd8828e50e2" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html", "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html", "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html" } ], "release_date": "2025-07-25T16:15:00Z", "threats": [ { "category": "impact", "details": "Important" }, { "category": "impact", "date": "2026-08-01T15:58:41.298960Z", "details": "The debian10els kernel is not affected by CVE-2025-38459: the vulnerable code was never introduced into this branch.", "product_ids": [ "Debian-10:hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:libbpf-dev-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:libbpf4.19-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:libcpupower-dev-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:libcpupower1-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-compiler-gcc-8-x86-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-config-4.19-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-cpupower-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-doc-4.19-0:4.19.325-1+tuxcare.els1.all", "Debian-10:linux-headers-4.19.0-28-all-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-headers-4.19.0-28-common-0:4.19.325-1+tuxcare.els1.all", "Debian-10:linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-image-amd64-signed-template-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-kbuild-4.19-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-libc-dev-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-perf-4.19-0:4.19.325-1+tuxcare.els1.amd64", "Debian-10:linux-source-4.19-0:4.19.325-1+tuxcare.els1.all", "Debian-10:linux-support-4.19.0-28-0:4.19.325-1+tuxcare.els1.all" ] } ] } ] }