219 lines
10 KiB
JSON
219 lines
10 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2022-49256",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-02-26T01:49:39.296Z",
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"datePublished": "2025-02-26T01:56:10.599Z",
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"dateUpdated": "2026-11-05T19:49:37.697Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T18:56:11.419Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwatch_queue: Actually free the watch\n\nfree_watch() does everything barring actually freeing the watch object. Fix\nthis by adding the missing kfree.\n\nkmemleak produces a report something like the following. Note that as an\naddress can be seen in the first word, the watch would appear to have gone\nthrough call_rcu().\n\nBUG: memory leak\nunreferenced object 0xffff88810ce4a200 (size 96):\n comm \"syz-executor352\", pid 3605, jiffies 4294947473 (age 13.720s)\n hex dump (first 32 bytes):\n e0 82 48 0d 81 88 ff ff 00 00 00 00 00 00 00 00 ..H.............\n 80 a2 e4 0c 81 88 ff ff 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<ffffffff8214e6cc>] kmalloc include/linux/slab.h:581 [inline]\n [<ffffffff8214e6cc>] kzalloc include/linux/slab.h:714 [inline]\n [<ffffffff8214e6cc>] keyctl_watch_key+0xec/0x2e0 security/keys/keyctl.c:1800\n [<ffffffff8214ec84>] __do_sys_keyctl+0x3c4/0x490 security/keys/keyctl.c:2016\n [<ffffffff84493a25>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n [<ffffffff84493a25>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\n [<ffffffff84600068>] entry_SYSCALL_64_after_hwframe+0x44/0xae"
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"kernel/watch_queue.c"
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],
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"versions": [
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{
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"version": "c73be61cede5882f9605a852414db559c0ebedfd",
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"lessThan": "9d92be1a09fbb3dd65600dbfe7eedb40e7228e4b",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "c73be61cede5882f9605a852414db559c0ebedfd",
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"lessThan": "f69aecb49968e14196366bbe896eab0a904229f5",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "c73be61cede5882f9605a852414db559c0ebedfd",
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"lessThan": "7e8c9b0df07a77f0d072603b8ced2677e30e1893",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "c73be61cede5882f9605a852414db559c0ebedfd",
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"lessThan": "31824613a42aacdcbeb325bf07a1c8247a11ebe2",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "c73be61cede5882f9605a852414db559c0ebedfd",
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"lessThan": "3d8dcf278b1ee1eff1e90be848fa2237db4c07a7",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"kernel/watch_queue.c"
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],
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"versions": [
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{
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"version": "5.8",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.8",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.10.110",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.33",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.16.19",
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"lessThanOrEqual": "5.16.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.17.2",
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"lessThanOrEqual": "5.17.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.18",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.8",
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"versionEndExcluding": "5.10.110"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.8",
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"versionEndExcluding": "5.15.33"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.8",
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"versionEndExcluding": "5.16.19"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.8",
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"versionEndExcluding": "5.17.2"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.8",
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"versionEndExcluding": "5.18"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/9d92be1a09fbb3dd65600dbfe7eedb40e7228e4b"
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},
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{
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"url": "https://git.kernel.org/stable/c/f69aecb49968e14196366bbe896eab0a904229f5"
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},
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{
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"url": "https://git.kernel.org/stable/c/7e8c9b0df07a77f0d072603b8ced2677e30e1893"
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},
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{
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"url": "https://git.kernel.org/stable/c/31824613a42aacdcbeb325bf07a1c8247a11ebe2"
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},
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{
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"url": "https://git.kernel.org/stable/c/3d8dcf278b1ee1eff1e90be848fa2237db4c07a7"
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}
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],
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"title": "watch_queue: Actually free the watch",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2022-49256",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-11-05T19:44:45.180779Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-11-05T19:49:37.697Z"
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}
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}
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]
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}
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} |