{"id":"CVE-2026-89609","revision":null,"records":[{"revision":"87a77d68c9134235be2ad5e0dcabb7bd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89609","aliases":[],"title":"ecryptfs: hold msg ctx list lock when cleaning daemon queue","description":"In the Linux kernel, the following vulnerability has been resolved:\n\necryptfs: hold msg ctx list lock when cleaning daemon queue\n\necryptfs_exorcise_daemon() drops queued messages from a dying daemon\nwithout holding ecryptfs_msg_ctx_lists_mux, but\necryptfs_msg_ctx_alloc_to_free() requires that lock.\n\nTake the list lock while moving the queued contexts back to the free\nlist to avoid racing with other global msg ctx list users.","state":0,"publishedAt":"2026-09-11T19:45:11.086+00:00","modifiedAt":"2026-10-19T08:49:41.609+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/ecryptfs/messaging.c\"\n ],\n \"versions\": [\n {\n \"version\": \"f66e883eb6186bc43a79581b67aff7d1a69d0ff1\",\n \"lessThan\": \"64d8998e36cfd2bb7114f3af0aa51c5a559a39b3\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f66e883eb6186bc43a79581b67aff7d1a69d0ff1\",\n \"lessThan\": \"4d50b8aea11ad9594c8704a4c647e11311ab7b19\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f66e883eb6186bc43a79581b67aff7d1a69d0ff1\",\n \"lessThan\": \"956541efd125a10442f9514668bc5c852702c93b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f66e883eb6186bc43a79581b67aff7d1a69d0ff1\",\n \"lessThan\": \"ec1627bcb5b51ddd46b1ef27a9d5a9834abb0a6a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f66e883eb6186bc43a79581b67aff7d1a69d0ff1\",\n \"lessThan\": \"7e48afafe7abc275f7b6916613bb18b821e7d94a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f66e883eb6186bc43a79581b67aff7d1a69d0ff1\",\n \"lessThan\": \"0d9636ecba34bd553ecf19049f7705505aea62fd\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f66e883eb6186bc43a79581b67aff7d1a69d0ff1\",\n \"lessThan\": \"4c02acbe0a2692ca9991c51e62bbe6d6b59dac31\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f66e883eb6186bc43a79581b67aff7d1a69d0ff1\",\n \"lessThan\": \"779972513c2fa8c7938e54976f686091dafff22f\",\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/ecryptfs/messaging.c\"\n ],\n \"versions\": [\n {\n \"version\": \"2.6.26\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"2.6.26\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.270\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.221\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.188\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.157\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.109\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.50\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2.4\",\n \"lessThanOrEqual\": \"7.2.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.3\",\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:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/64d8998e36cfd2bb7114f3af0aa51c5a559a39b3","https://git.kernel.org/stable/c/4d50b8aea11ad9594c8704a4c647e11311ab7b19","https://git.kernel.org/stable/c/956541efd125a10442f9514668bc5c852702c93b","https://git.kernel.org/stable/c/ec1627bcb5b51ddd46b1ef27a9d5a9834abb0a6a","https://git.kernel.org/stable/c/7e48afafe7abc275f7b6916613bb18b821e7d94a","https://git.kernel.org/stable/c/0d9636ecba34bd553ecf19049f7705505aea62fd","https://git.kernel.org/stable/c/4c02acbe0a2692ca9991c51e62bbe6d6b59dac31","https://git.kernel.org/stable/c/779972513c2fa8c7938e54976f686091dafff22f"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89609","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89609","identifiers":["CVE-2026-89609"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all 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