{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74512", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.909Z", "datePublished": "2026-08-15T12:27:33.736Z", "dateUpdated": "2026-08-15T12:27:33.736Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T12:27:33.736Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naudit: fix potential use-after-free in audit_del_rule()\n\n`audit_del_rule()` destroys `e->rule.exe` via `audit_remove_mark_rule()`\nbefore unlinking the rule from RCU-visible filter lists and waiting for a\ngrace period. Concurrent readers in `audit_filter()` and\n`audit_filter_rules()` still dereference `e->rule.exe`, while the fsnotify\nmark can be freed on an independent lifetime path. This creates a\nuse-after-free window during rule deletion.\n\nFix this by unlinking the rule from the RCU-visible lists and invoking\n`synchronize_rcu()` before calling `audit_remove_mark_rule()` (and other\nrule removal helpers). This ensures that all existing RCU readers have\nexited the critical section before any underlying resources are destroyed."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/auditfilter.c"], "versions": [{"version": "34d99af52ad40bd498ba66970579a5bc1fb1a3bc", "lessThan": "45bf3df5b32e5a49953e7ceabc55f7dd85380e46", "status": "affected", "versionType": "git"}, {"version": "34d99af52ad40bd498ba66970579a5bc1fb1a3bc", "lessThan": "78bde7e9bd36eaae1b8e8cfcd47f12a34f301dbf", "status": "affected", "versionType": "git"}, {"version": "34d99af52ad40bd498ba66970579a5bc1fb1a3bc", "lessThan": "cae0dfed5d307b240bff71c3cf206652d1b6f215", "status": "affected", "versionType": "git"}, {"version": "34d99af52ad40bd498ba66970579a5bc1fb1a3bc", "lessThan": "5b8f46864f06d6dbacb7dcea52bc084dfd122638", "status": "affected", "versionType": "git"}, {"version": "34d99af52ad40bd498ba66970579a5bc1fb1a3bc", "lessThan": "246df90b5f1a8a6e6abbd2f058b029558720adec", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/auditfilter.c"], "versions": [{"version": "4.3", "status": "affected"}, {"version": "0", "lessThan": "4.3", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.151", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.103", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.44", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.8", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc6", "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": "4.3", "versionEndExcluding": "6.6.151"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.12.103"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.18.44"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "7.1.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "7.2-rc6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/45bf3df5b32e5a49953e7ceabc55f7dd85380e46"}, {"url": "https://git.kernel.org/stable/c/78bde7e9bd36eaae1b8e8cfcd47f12a34f301dbf"}, {"url": "https://git.kernel.org/stable/c/cae0dfed5d307b240bff71c3cf206652d1b6f215"}, {"url": "https://git.kernel.org/stable/c/5b8f46864f06d6dbacb7dcea52bc084dfd122638"}, {"url": "https://git.kernel.org/stable/c/246df90b5f1a8a6e6abbd2f058b029558720adec"}], "title": "audit: fix potential use-after-free in audit_del_rule()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["kernel/auditfilter.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "45bf3df5b32e5a49953e7ceabc55f7dd85380e46", "status": "affected", "version": "34d99af52ad40bd498ba66970579a5bc1fb1a3bc", "versionType": "git"}, {"lessThan": "78bde7e9bd36eaae1b8e8cfcd47f12a34f301dbf", "status": "affected", "version": "34d99af52ad40bd498ba66970579a5bc1fb1a3bc", "versionType": "git"}, {"lessThan": "cae0dfed5d307b240bff71c3cf206652d1b6f215", "status": "affected", "version": "34d99af52ad40bd498ba66970579a5bc1fb1a3bc", "versionType": "git"}, {"lessThan": "5b8f46864f06d6dbacb7dcea52bc084dfd122638", "status": "affected", "version": "34d99af52ad40bd498ba66970579a5bc1fb1a3bc", "versionType": "git"}, {"lessThan": "246df90b5f1a8a6e6abbd2f058b029558720adec", "status": "affected", "version": "34d99af52ad40bd498ba66970579a5bc1fb1a3bc", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["kernel/auditfilter.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.3"}, {"lessThan": "4.3", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.151", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.103", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.44", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.8", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc6", "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\naudit: fix potential use-after-free in audit_del_rule()\n\n`audit_del_rule()` destroys `e->rule.exe` via `audit_remove_mark_rule()`\nbefore unlinking the rule from RCU-visible filter lists and waiting for a\ngrace period. Concurrent readers in `audit_filter()` and\n`audit_filter_rules()` still dereference `e->rule.exe`, while the fsnotify\nmark can be freed on an independent lifetime path. This creates a\nuse-after-free window during rule deletion.\n\nFix this by unlinking the rule from the RCU-visible lists and invoking\n`synchronize_rcu()` before calling `audit_remove_mark_rule()` (and other\nrule removal helpers). This ensures that all existing RCU readers have\nexited the critical section before any underlying resources are destroyed."}], "id": "CVE-2026-74512", "lastModified": "2026-08-15T13:17:56.300", "metrics": {}, "published": "2026-08-15T13:17:56.300", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/246df90b5f1a8a6e6abbd2f058b029558720adec"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/45bf3df5b32e5a49953e7ceabc55f7dd85380e46"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5b8f46864f06d6dbacb7dcea52bc084dfd122638"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/78bde7e9bd36eaae1b8e8cfcd47f12a34f301dbf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cae0dfed5d307b240bff71c3cf206652d1b6f215"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"created": "2026-08-15T14:45:03.922109+00:00", "updated": "2026-08-15T14:45:03.922115+00:00", "vendors": [], "weaknesses": ["CWE-247"]}