{"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"}}}}