{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"c7956ec99ad0e173720d95de9fa788bb077809f2","status":"affected","version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","versionType":"git"},{"lessThan":"2c3d907dd15f4e30d4c35b9f7a7a5078de6a1b1f","status":"affected","version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","versionType":"git"},{"lessThan":"72f367417a6aee56821d0b0114cfd2b080008b63","status":"affected","version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","versionType":"git"},{"lessThan":"19dfc37c9deefa69dc805d01d35d1f2fd7902e33","status":"affected","version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","versionType":"git"},{"lessThan":"5787887eba0f0979a8c86d03a8e891395d5c24ad","status":"affected","version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","versionType":"git"},{"lessThan":"01835d3a3709be508ae5209f806640336c48e395","status":"affected","version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","versionType":"git"},{"lessThan":"6fc0c818b1cac66003e937c8a0d3bfb23fd3f130","status":"affected","version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","versionType":"git"},{"lessThan":"23a9163cc40b4996ba1e20533b1210a1a0bee416","status":"affected","version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"4.7"},{"lessThan":"4.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.273","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.224","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.191","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.161","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.115","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.60","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.14","versionType":"semver"},{"lessThanOrEqual":"7.3.*","status":"unaffected","version":"7.3.1","versionType":"semver"}]}],"cveId":"CVE-2026-99245","cwes":[],"description":"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().","epss":null,"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793704543589,"publishedAt":1793704515050,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/c7956ec99ad0e173720d95de9fa788bb077809f2"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/2c3d907dd15f4e30d4c35b9f7a7a5078de6a1b1f"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/72f367417a6aee56821d0b0114cfd2b080008b63"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/19dfc37c9deefa69dc805d01d35d1f2fd7902e33"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/5787887eba0f0979a8c86d03a8e891395d5c24ad"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/01835d3a3709be508ae5209f806640336c48e395"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/6fc0c818b1cac66003e937c8a0d3bfb23fd3f130"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/23a9163cc40b4996ba1e20533b1210a1a0bee416"}],"remediation":[],"revision":"b9084497724ea0c8136aab713dd9e096d980d8035c6a7eb53173015cd1a96643","sources":[{"modifiedAt":1793704543589,"name":"CNA: Linux","retrievedAt":1793707720712,"url":"https://www.cve.org/CVERecord?id=CVE-2026-99245"}],"ssvc":null,"status":"published","title":"KEYS: Fix key_reject_and_link() race with keyring restriction","updatedAt":1793707720712}