{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89609", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.734Z", "datePublished": "2026-09-11T19:45:11.086Z", "dateUpdated": "2026-09-11T19:45:11.086Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-11T19:45:11.086Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ecryptfs/messaging.c"], "versions": [{"version": "f66e883eb6186bc43a79581b67aff7d1a69d0ff1", "lessThan": "7e48afafe7abc275f7b6916613bb18b821e7d94a", "status": "affected", "versionType": "git"}, {"version": "f66e883eb6186bc43a79581b67aff7d1a69d0ff1", "lessThan": "0d9636ecba34bd553ecf19049f7705505aea62fd", "status": "affected", "versionType": "git"}, {"version": "f66e883eb6186bc43a79581b67aff7d1a69d0ff1", "lessThan": "4c02acbe0a2692ca9991c51e62bbe6d6b59dac31", "status": "affected", "versionType": "git"}, {"version": "f66e883eb6186bc43a79581b67aff7d1a69d0ff1", "lessThan": "779972513c2fa8c7938e54976f686091dafff22f", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ecryptfs/messaging.c"], "versions": [{"version": "2.6.26", "status": "affected"}, {"version": "0", "lessThan": "2.6.26", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.109", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.50", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-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": "2.6.26", "versionEndExcluding": "6.12.109"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "7.3-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7e48afafe7abc275f7b6916613bb18b821e7d94a"}, {"url": "https://git.kernel.org/stable/c/0d9636ecba34bd553ecf19049f7705505aea62fd"}, {"url": "https://git.kernel.org/stable/c/4c02acbe0a2692ca9991c51e62bbe6d6b59dac31"}, {"url": "https://git.kernel.org/stable/c/779972513c2fa8c7938e54976f686091dafff22f"}], "title": "ecryptfs: hold msg ctx list lock when cleaning daemon queue", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/ecryptfs/messaging.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7e48afafe7abc275f7b6916613bb18b821e7d94a", "status": "affected", "version": "f66e883eb6186bc43a79581b67aff7d1a69d0ff1", "versionType": "git"}, {"lessThan": "0d9636ecba34bd553ecf19049f7705505aea62fd", "status": "affected", "version": "f66e883eb6186bc43a79581b67aff7d1a69d0ff1", "versionType": "git"}, {"lessThan": "4c02acbe0a2692ca9991c51e62bbe6d6b59dac31", "status": "affected", "version": "f66e883eb6186bc43a79581b67aff7d1a69d0ff1", "versionType": "git"}, {"lessThan": "779972513c2fa8c7938e54976f686091dafff22f", "status": "affected", "version": "f66e883eb6186bc43a79581b67aff7d1a69d0ff1", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/ecryptfs/messaging.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.26"}, {"lessThan": "2.6.26", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.109", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.50", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-89609", "lastModified": "2026-09-11T20:19:45.983", "metrics": {}, "published": "2026-09-11T20:19:45.983", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0d9636ecba34bd553ecf19049f7705505aea62fd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4c02acbe0a2692ca9991c51e62bbe6d6b59dac31"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/779972513c2fa8c7938e54976f686091dafff22f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7e48afafe7abc275f7b6916613bb18b821e7d94a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux Kernel: eCryptfs race condition in daemon queue cleanup", "id": "2532182", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532182"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H", "status": "draft"}, "cwe": "CWE-820", "details": ["A flaw was found in the eCryptfs component of the Linux kernel. A race condition occurs during the cleanup of the daemon message queue because a required lock is not held. This can lead to unpredictable system behavior or instability due to concurrent access to shared message context lists."], "name": "CVE-2026-89609", "public_date": "2026-09-11T19:45:11Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-89609\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-89609\nhttps://git.kernel.org/stable/c/0d9636ecba34bd553ecf19049f7705505aea62fd\nhttps://git.kernel.org/stable/c/4c02acbe0a2692ca9991c51e62bbe6d6b59dac31\nhttps://git.kernel.org/stable/c/779972513c2fa8c7938e54976f686091dafff22f\nhttps://git.kernel.org/stable/c/7e48afafe7abc275f7b6916613bb18b821e7d94a"], "threat_severity": "Moderate"}

{}