{"id":"CVE-2026-46150","revision":null,"records":[{"revision":"9b1db4d02c574ae69e43a4f2714282c1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-46150","aliases":[],"title":"fanotify: fix false positive on permission events","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfanotify: fix false positive on permission events\n\nfsnotify_get_mark_safe() may return false for a mark on an unrelated group,\nwhich results in bypassing the permission check.\n\nFix by skipping over detached marks that are not in the current group.","state":0,"publishedAt":"2026-05-28T09:36:06.494+00:00","modifiedAt":"2026-10-19T19:36:52.765+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"fs/notify/fsnotify.c\",\n \"fs/notify/mark.c\",\n \"include/linux/fsnotify_backend.h\"\n ],\n \"versions\": [\n {\n \"version\": \"abc77577a669f424c5d0c185b9994f2621c52aa4\",\n \"lessThan\": \"a24765332e129c1916d5a6615418b75599b8fcdc\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"abc77577a669f424c5d0c185b9994f2621c52aa4\",\n \"lessThan\": \"4a7611ad653785fcdea5ff5f4441e2b7d05b7f11\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"abc77577a669f424c5d0c185b9994f2621c52aa4\",\n \"lessThan\": \"04bb66be92f48ed13c3faf1139d892df228789bc\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"abc77577a669f424c5d0c185b9994f2621c52aa4\",\n \"lessThan\": \"895ebbedf88318607c24acc0f591c74b165e1d0a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"abc77577a669f424c5d0c185b9994f2621c52aa4\",\n \"lessThan\": \"f130790f1acc8399f32652846c875a251efd040f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"abc77577a669f424c5d0c185b9994f2621c52aa4\",\n \"lessThan\": \"7baa02b0ae9d17ec5f08836d8ea88ce1927d0678\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"abc77577a669f424c5d0c185b9994f2621c52aa4\",\n \"lessThan\": \"b7b24b28c8cd55844cab908f4f39dded638d5538\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"abc77577a669f424c5d0c185b9994f2621c52aa4\",\n \"lessThan\": \"7746e3bd4cc19b5092e00d32d676e329bfcb6900\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"fs/notify/fsnotify.c\",\n \"fs/notify/mark.c\",\n \"include/linux/fsnotify_backend.h\"\n ],\n \"versions\": [\n {\n \"version\": \"4.12\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"4.12\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.258\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.209\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.175\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.140\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.88\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.30\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.0.7\",\n \"lessThanOrEqual\": \"7.0.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","score":7.1,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/a24765332e129c1916d5a6615418b75599b8fcdc","https://git.kernel.org/stable/c/4a7611ad653785fcdea5ff5f4441e2b7d05b7f11","https://git.kernel.org/stable/c/04bb66be92f48ed13c3faf1139d892df228789bc","https://git.kernel.org/stable/c/895ebbedf88318607c24acc0f591c74b165e1d0a","https://git.kernel.org/stable/c/f130790f1acc8399f32652846c875a251efd040f","https://git.kernel.org/stable/c/7baa02b0ae9d17ec5f08836d8ea88ce1927d0678","https://git.kernel.org/stable/c/b7b24b28c8cd55844cab908f4f39dded638d5538","https://git.kernel.org/stable/c/7746e3bd4cc19b5092e00d32d676e329bfcb6900"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-46150","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-46150","identifiers":["CVE-2026-46150"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all 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