{"id":"CVE-2026-99245","aliases":[],"cve":{"records":[{"id":"CVE-2026-99245","source":"Linux","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-25T10:25:14.403Z","published":"2026-11-03T11:15:15.050Z","modified":"2026-11-03T19:13:10.812Z"}],"publishers":[{"name":"Linux","role":"CNA","organizationId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","modified":"2026-11-03T19:13:10.812Z"}],"references":[{"url":"https://git.kernel.org/stable/c/c7956ec99ad0e173720d95de9fa788bb077809f2","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/2c3d907dd15f4e30d4c35b9f7a7a5078de6a1b1f","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/72f367417a6aee56821d0b0114cfd2b080008b63","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/19dfc37c9deefa69dc805d01d35d1f2fd7902e33","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/5787887eba0f0979a8c86d03a8e891395d5c24ad","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/01835d3a3709be508ae5209f806640336c48e395","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/6fc0c818b1cac66003e937c8a0d3bfb23fd3f130","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/23a9163cc40b4996ba1e20533b1210a1a0bee416","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/0b157166e612b70f98a332b6c7be7eac6f8e9593","tags":[],"source":"Linux"}],"weaknesses":[],"applicability":[{"source":"Linux","statements":[{"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"}]}]}]}],"prioritization":[]},"title":"KEYS: Fix key_reject_and_link() race with keyring restriction","titleSource":"Linux","descriptionSource":"Linux","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().","score":null,"severity":"unknown","published":"2026-11-03T11:15:15.050Z","modified":"2026-11-03T19:13:10.812Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","status":"affected","lessThan":"c7956ec99ad0e173720d95de9fa788bb077809f2","versionType":"git"},{"version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","status":"affected","lessThan":"2c3d907dd15f4e30d4c35b9f7a7a5078de6a1b1f","versionType":"git"},{"version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","status":"affected","lessThan":"72f367417a6aee56821d0b0114cfd2b080008b63","versionType":"git"},{"version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","status":"affected","lessThan":"19dfc37c9deefa69dc805d01d35d1f2fd7902e33","versionType":"git"},{"version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","status":"affected","lessThan":"5787887eba0f0979a8c86d03a8e891395d5c24ad","versionType":"git"},{"version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","status":"affected","lessThan":"01835d3a3709be508ae5209f806640336c48e395","versionType":"git"},{"version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","status":"affected","lessThan":"6fc0c818b1cac66003e937c8a0d3bfb23fd3f130","versionType":"git"},{"version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","status":"affected","lessThan":"23a9163cc40b4996ba1e20533b1210a1a0bee416","versionType":"git"},{"version":"5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c","status":"affected","lessThan":"0b157166e612b70f98a332b6c7be7eac6f8e9593","versionType":"git"}],"defaultStatus":"unaffected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-99245"},{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"4.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.7","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.161","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.115","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.60","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.14","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3.1","status":"unaffected","lessThanOrEqual":"7.3.*","versionType":"semver"},{"version":"7.4-rc1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"defaultStatus":"affected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-99245"}],"remediation":[],"references":["https://git.kernel.org/stable/c/c7956ec99ad0e173720d95de9fa788bb077809f2","https://git.kernel.org/stable/c/2c3d907dd15f4e30d4c35b9f7a7a5078de6a1b1f","https://git.kernel.org/stable/c/72f367417a6aee56821d0b0114cfd2b080008b63","https://git.kernel.org/stable/c/19dfc37c9deefa69dc805d01d35d1f2fd7902e33","https://git.kernel.org/stable/c/5787887eba0f0979a8c86d03a8e891395d5c24ad","https://git.kernel.org/stable/c/01835d3a3709be508ae5209f806640336c48e395","https://git.kernel.org/stable/c/6fc0c818b1cac66003e937c8a0d3bfb23fd3f130","https://git.kernel.org/stable/c/23a9163cc40b4996ba1e20533b1210a1a0bee416","https://git.kernel.org/stable/c/0b157166e612b70f98a332b6c7be7eac6f8e9593"],"sources":[{"name":"CVE","id":"CVE-2026-99245","modified":"2026-11-03T19:13:10.812Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-99245"}],"assessments":[],"sourceAffected":[],"observedAt":"2026-11-03T19:51:00.864Z","kev":{"status":"not-listed","checkedAt":"2026-11-06T21:20:33.816Z"},"coverage":[{"source":"NVD","status":"no-result","checkedAt":"2026-11-03T11:30:38.116Z","attemptedAt":"2026-11-03T11:30:38.116Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-11-03T11:30:37.807Z","attemptedAt":"2026-11-03T11:30:37.807Z"},{"source":"EUVD","status":"no-result","checkedAt":"2026-11-03T11:30:38.677Z","attemptedAt":"2026-11-03T11:30:38.677Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-03T11:30:37.872Z","attemptedAt":"2026-11-03T11:30:37.872Z"}],"evidence":[],"aiSummary":null}