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"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-2022-50320",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: tables: FPDT: Don't call acpi_os_map_memory() on invalid phys address\n\nOn a Packard Bell Dot SC (Intel Atom N2600 model) there is a FPDT table\nwhich contains invalid physical addresses, with high bits set which fall\noutside the range of the CPU-s supported physical address range.\n\nCalling acpi_os_map_memory() on such an invalid phys address leads to\nthe below WARN_ON in ioremap triggering resulting in an oops/stacktrace.\n\nAdd code to verify the physical address before calling acpi_os_map_memory()\nto fix / avoid the oops.\n\n[ 1.226900] ioremap: invalid physical address 3001000000000000\n[ 1.226949] ------------[ cut here ]------------\n[ 1.226962] WARNING: CPU: 1 PID: 1 at arch/x86/mm/ioremap.c:200 __ioremap_caller.cold+0x43/0x5f\n[ 1.226996] Modules linked in:\n[ 1.227016] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.0.0-rc3+ #490\n[ 1.227029] Hardware name: Packard Bell dot s/SJE01_CT, BIOS V1.10 07/23/2013\n[ 1.227038] RIP: 0010:__ioremap_caller.cold+0x43/0x5f\n[ 1.227054] Code: 96 00 00 e9 f8 af 24 ff 89 c6 48 c7 c7 d8 0c 84 99 e8 6a 96 00 00 e9 76 af 24 ff 48 89 fe 48 c7 c7 a8 0c 84 99 e8 56 96 00 00 <0f> 0b e9 60 af 24 ff 48 8b 34 24 48 c7 c7 40 0d 84 99 e8 3f 96 00\n[ 1.227067] RSP: 0000:ffffb18c40033d60 EFLAGS: 00010286\n[ 1.227084] RAX: 0000000000000032 RBX: 3001000000000000 RCX: 0000000000000000\n[ 1.227095] RDX: 0000000000000001 RSI: 00000000ffffdfff RDI: 00000000ffffffff\n[ 1.227105] RBP: 3001000000000000 R08: 0000000000000000 R09: ffffb18c40033c18\n[ 1.227115] R10: 0000000000000003 R11: ffffffff99d62fe8 R12: 0000000000000008\n[ 1.227124] R13: 0003001000000000 R14: 0000000000001000 R15: 3001000000000000\n[ 1.227135] FS: 0000000000000000(0000) GS:ffff913a3c080000(0000) knlGS:0000000000000000\n[ 1.227146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 1.227156] CR2: 0000000000000000 CR3: 0000000018c26000 CR4: 00000000000006e0\n[ 1.227167] Call Trace:\n[ 1.227176] \n[ 1.227185] ? acpi_os_map_iomem+0x1c9/0x1e0\n[ 1.227215] ? kmem_cache_alloc_trace+0x187/0x370\n[ 1.227254] acpi_os_map_iomem+0x1c9/0x1e0\n[ 1.227288] acpi_init_fpdt+0xa8/0x253\n[ 1.227308] ? acpi_debugfs_init+0x1f/0x1f\n[ 1.227339] do_one_initcall+0x5a/0x300\n[ 1.227406] ? rcu_read_lock_sched_held+0x3f/0x80\n[ 1.227442] kernel_init_freeable+0x28b/0x2cc\n[ 1.227512] ? rest_init+0x170/0x170\n[ 1.227538] kernel_init+0x16/0x140\n[ 1.227552] ret_from_fork+0x1f/0x30\n[ 1.227639] \n[ 1.227647] irq event stamp: 186819\n[ 1.227656] hardirqs last enabled at (186825): [] __up_console_sem+0x5e/0x70\n[ 1.227672] hardirqs last disabled at (186830): [] __up_console_sem+0x43/0x70\n[ 1.227686] softirqs last enabled at (186576): [] __irq_exit_rcu+0xed/0x160\n[ 1.227701] softirqs last disabled at (186569): [] __irq_exit_rcu+0xed/0x160\n[ 1.227715] ---[ end trace 0000000000000000 ]---",
"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": [
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]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://cve.tuxcare.com/els/cve/CVE-2022-50320"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/16046a716c8e1f447909bec9b478d58e6e25e513",
"url": "https://git.kernel.org/stable/c/16046a716c8e1f447909bec9b478d58e6e25e513"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/211391bf04b3c74e250c566eeff9cf808156c693",
"url": "https://git.kernel.org/stable/c/211391bf04b3c74e250c566eeff9cf808156c693"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/30eca146c89d216dda95868ce00a2d35cf73d5a4",
"url": "https://git.kernel.org/stable/c/30eca146c89d216dda95868ce00a2d35cf73d5a4"
},
{
"category": "external",
"summary": "https://git.kernel.org/stable/c/90bfc9ae875dfbed2e6089516520204cd431dba3",
"url": "https://git.kernel.org/stable/c/90bfc9ae875dfbed2e6089516520204cd431dba3"
}
],
"release_date": "2025-09-15T15:15:00Z",
"threats": [
{
"category": "impact",
"details": "Important"
},
{
"category": "impact",
"date": "2026-08-01T16:21:48.647559Z",
"details": "The debian10els kernel is not affected by CVE-2022-50320: the vulnerable code was never introduced into this branch.",
"product_ids": [
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]
}
]
}
]
}