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vuln-cve/data/2022/48xxx/CVE-2022-48937.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2022-48937",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2024-08-22T01:27:53.623Z",
"datePublished": "2024-08-22T03:31:32.165Z",
"dateUpdated": "2026-05-11T18:50:01.685Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T18:50:01.685Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: add a schedule point in io_add_buffers()\n\nLooping ~65535 times doing kmalloc() calls can trigger soft lockups,\nespecially with DEBUG features (like KASAN).\n\n[ 253.536212] watchdog: BUG: soft lockup - CPU#64 stuck for 26s! [b219417889:12575]\n[ 253.544433] Modules linked in: vfat fat i2c_mux_pca954x i2c_mux spidev cdc_acm xhci_pci xhci_hcd sha3_generic gq(O)\n[ 253.544451] CPU: 64 PID: 12575 Comm: b219417889 Tainted: G S O 5.17.0-smp-DEV #801\n[ 253.544457] RIP: 0010:kernel_text_address (./include/asm-generic/sections.h:192 ./include/linux/kallsyms.h:29 kernel/extable.c:67 kernel/extable.c:98)\n[ 253.544464] Code: 0f 93 c0 48 c7 c1 e0 63 d7 a4 48 39 cb 0f 92 c1 20 c1 0f b6 c1 5b 5d c3 90 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 53 48 89 fb <48> c7 c0 00 00 80 a0 41 be 01 00 00 00 48 39 c7 72 0c 48 c7 c0 40\n[ 253.544468] RSP: 0018:ffff8882d8baf4c0 EFLAGS: 00000246\n[ 253.544471] RAX: 1ffff1105b175e00 RBX: ffffffffa13ef09a RCX: 00000000a13ef001\n[ 253.544474] RDX: ffffffffa13ef09a RSI: ffff8882d8baf558 RDI: ffffffffa13ef09a\n[ 253.544476] RBP: ffff8882d8baf4d8 R08: ffff8882d8baf5e0 R09: 0000000000000004\n[ 253.544479] R10: ffff8882d8baf5e8 R11: ffffffffa0d59a50 R12: ffff8882eab20380\n[ 253.544481] R13: ffffffffa0d59a50 R14: dffffc0000000000 R15: 1ffff1105b175eb0\n[ 253.544483] FS: 00000000016d3380(0000) GS:ffff88af48c00000(0000) knlGS:0000000000000000\n[ 253.544486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 253.544488] CR2: 00000000004af0f0 CR3: 00000002eabfa004 CR4: 00000000003706e0\n[ 253.544491] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[ 253.544492] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n[ 253.544494] Call Trace:\n[ 253.544496] <TASK>\n[ 253.544498] ? io_queue_sqe (fs/io_uring.c:7143)\n[ 253.544505] __kernel_text_address (kernel/extable.c:78)\n[ 253.544508] unwind_get_return_address (arch/x86/kernel/unwind_frame.c:19)\n[ 253.544514] arch_stack_walk (arch/x86/kernel/stacktrace.c:27)\n[ 253.544517] ? io_queue_sqe (fs/io_uring.c:7143)\n[ 253.544521] stack_trace_save (kernel/stacktrace.c:123)\n[ 253.544527] ____kasan_kmalloc (mm/kasan/common.c:39 mm/kasan/common.c:45 mm/kasan/common.c:436 mm/kasan/common.c:515)\n[ 253.544531] ? ____kasan_kmalloc (mm/kasan/common.c:39 mm/kasan/common.c:45 mm/kasan/common.c:436 mm/kasan/common.c:515)\n[ 253.544533] ? __kasan_kmalloc (mm/kasan/common.c:524)\n[ 253.544535] ? kmem_cache_alloc_trace (./include/linux/kasan.h:270 mm/slab.c:3567)\n[ 253.544541] ? io_issue_sqe (fs/io_uring.c:4556 fs/io_uring.c:4589 fs/io_uring.c:6828)\n[ 253.544544] ? __io_queue_sqe (fs/io_uring.c:?)\n[ 253.544551] __kasan_kmalloc (mm/kasan/common.c:524)\n[ 253.544553] kmem_cache_alloc_trace (./include/linux/kasan.h:270 mm/slab.c:3567)\n[ 253.544556] ? io_issue_sqe (fs/io_uring.c:4556 fs/io_uring.c:4589 fs/io_uring.c:6828)\n[ 253.544560] io_issue_sqe (fs/io_uring.c:4556 fs/io_uring.c:4589 fs/io_uring.c:6828)\n[ 253.544564] ? __kasan_slab_alloc (mm/kasan/common.c:45 mm/kasan/common.c:436 mm/kasan/common.c:469)\n[ 253.544567] ? __kasan_slab_alloc (mm/kasan/common.c:39 mm/kasan/common.c:45 mm/kasan/common.c:436 mm/kasan/common.c:469)\n[ 253.544569] ? kmem_cache_alloc_bulk (mm/slab.h:732 mm/slab.c:3546)\n[ 253.544573] ? __io_alloc_req_refill (fs/io_uring.c:2078)\n[ 253.544578] ? io_submit_sqes (fs/io_uring.c:7441)\n[ 253.544581] ? __se_sys_io_uring_enter (fs/io_uring.c:10154 fs/io_uring.c:10096)\n[ 253.544584] ? __x64_sys_io_uring_enter (fs/io_uring.c:10096)\n[ 253.544587] ? do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)\n[ 253.544590] ? entry_SYSCALL_64_after_hwframe (??:?)\n[ 253.544596] __io_queue_sqe (fs/io_uring.c:?)\n[ 253.544600] io_queue_sqe (fs/io_uring.c:7143)\n[ 253.544603] io_submit_sqe (fs/io_uring.c:?)\n[ 253.544608] io_submit_sqes (fs/io_uring.c:?)\n[ 253.544612] __se_sys_io_uring_enter (fs/io_uring.c:10154 fs/io_uri\n---truncated---"
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"fs/io_uring.c"
],
"versions": [
{
"version": "ddf0322db79c5984dc1a1db890f946dd19b7d6d9",
"lessThan": "4a93c6594613c3429b6f30136fff115c7f803af4",
"status": "affected",
"versionType": "git"
},
{
"version": "ddf0322db79c5984dc1a1db890f946dd19b7d6d9",
"lessThan": "c718ea4e7382e18957ed0e88a5f855e2122d9c00",
"status": "affected",
"versionType": "git"
},
{
"version": "ddf0322db79c5984dc1a1db890f946dd19b7d6d9",
"lessThan": "8f3cc3c5bc43d03b5748ac4fb8d180084952c36a",
"status": "affected",
"versionType": "git"
},
{
"version": "ddf0322db79c5984dc1a1db890f946dd19b7d6d9",
"lessThan": "f240762f88b4b1b58561939ffd44837759756477",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"fs/io_uring.c"
],
"versions": [
{
"version": "5.7",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.7",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.103",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.26",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.16.12",
"lessThanOrEqual": "5.16.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.17",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7",
"versionEndExcluding": "5.10.103"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7",
"versionEndExcluding": "5.15.26"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7",
"versionEndExcluding": "5.16.12"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7",
"versionEndExcluding": "5.17"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/4a93c6594613c3429b6f30136fff115c7f803af4"
},
{
"url": "https://git.kernel.org/stable/c/c718ea4e7382e18957ed0e88a5f855e2122d9c00"
},
{
"url": "https://git.kernel.org/stable/c/8f3cc3c5bc43d03b5748ac4fb8d180084952c36a"
},
{
"url": "https://git.kernel.org/stable/c/f240762f88b4b1b58561939ffd44837759756477"
}
],
"title": "io_uring: add a schedule point in io_add_buffers()",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2022-48937",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-09-10T15:32:30.798795Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2024-09-12T17:33:09.380Z"
}
}
]
}
}
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