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vuln-cve/data/2026/99xxx/CVE-2026-99245.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-99245",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-09-25T10:25:14.403Z",
"datePublished": "2026-11-03T11:15:15.050Z",
"dateUpdated": "2026-11-03T19:13:10.812Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-11-03T19:13:10.812Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: Fix key_reject_and_link() race with keyring restriction\n\nThe restrict_link check in key_reject_and_link() is done before taking\nthe keyring semaphore, racing with a concurrent keyring_restrict()\nthat installs the restriction while holding the semaphore in write\nmode.\n\nMove the check to after __key_link_lock(), so it is done under the\nsemaphore, matching the pattern used in __key_create_or_update()."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"security/keys/key.c"
],
"versions": [
{
"version": "5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c",
"lessThan": "c7956ec99ad0e173720d95de9fa788bb077809f2",
"status": "affected",
"versionType": "git"
},
{
"version": "5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c",
"lessThan": "2c3d907dd15f4e30d4c35b9f7a7a5078de6a1b1f",
"status": "affected",
"versionType": "git"
},
{
"version": "5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c",
"lessThan": "72f367417a6aee56821d0b0114cfd2b080008b63",
"status": "affected",
"versionType": "git"
},
{
"version": "5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c",
"lessThan": "19dfc37c9deefa69dc805d01d35d1f2fd7902e33",
"status": "affected",
"versionType": "git"
},
{
"version": "5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c",
"lessThan": "5787887eba0f0979a8c86d03a8e891395d5c24ad",
"status": "affected",
"versionType": "git"
},
{
"version": "5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c",
"lessThan": "01835d3a3709be508ae5209f806640336c48e395",
"status": "affected",
"versionType": "git"
},
{
"version": "5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c",
"lessThan": "6fc0c818b1cac66003e937c8a0d3bfb23fd3f130",
"status": "affected",
"versionType": "git"
},
{
"version": "5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c",
"lessThan": "23a9163cc40b4996ba1e20533b1210a1a0bee416",
"status": "affected",
"versionType": "git"
},
{
"version": "5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c",
"lessThan": "0b157166e612b70f98a332b6c7be7eac6f8e9593",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"security/keys/key.c"
],
"versions": [
{
"version": "4.7",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.7",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.273",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.224",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.191",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.161",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.115",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.60",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2.14",
"lessThanOrEqual": "7.2.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.3.1",
"lessThanOrEqual": "7.3.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.4-rc1",
"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": "4.7",
"versionEndExcluding": "5.10.273"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.7",
"versionEndExcluding": "5.15.224"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.7",
"versionEndExcluding": "6.1.191"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.7",
"versionEndExcluding": "6.6.161"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.7",
"versionEndExcluding": "6.12.115"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.7",
"versionEndExcluding": "6.18.60"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.7",
"versionEndExcluding": "7.2.14"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.7",
"versionEndExcluding": "7.3.1"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.7",
"versionEndExcluding": "7.4-rc1"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/c7956ec99ad0e173720d95de9fa788bb077809f2"
},
{
"url": "https://git.kernel.org/stable/c/2c3d907dd15f4e30d4c35b9f7a7a5078de6a1b1f"
},
{
"url": "https://git.kernel.org/stable/c/72f367417a6aee56821d0b0114cfd2b080008b63"
},
{
"url": "https://git.kernel.org/stable/c/19dfc37c9deefa69dc805d01d35d1f2fd7902e33"
},
{
"url": "https://git.kernel.org/stable/c/5787887eba0f0979a8c86d03a8e891395d5c24ad"
},
{
"url": "https://git.kernel.org/stable/c/01835d3a3709be508ae5209f806640336c48e395"
},
{
"url": "https://git.kernel.org/stable/c/6fc0c818b1cac66003e937c8a0d3bfb23fd3f130"
},
{
"url": "https://git.kernel.org/stable/c/23a9163cc40b4996ba1e20533b1210a1a0bee416"
},
{
"url": "https://git.kernel.org/stable/c/0b157166e612b70f98a332b6c7be7eac6f8e9593"
}
],
"title": "KEYS: Fix key_reject_and_link() race with keyring restriction",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}