{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"6cd84cefd8b73e85b9eda17b319bd40a670f3a38","status":"affected","version":"e580323ac0b51ad10ec2e181d1f777479b7983e7","versionType":"git"},{"lessThan":"fe3b45b56b6c3d4b6b341de27fa291005287a21c","status":"affected","version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","versionType":"git"},{"lessThan":"cb3420c047957e565101585bb4f15e1a6e3de6b0","status":"affected","version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","versionType":"git"},{"lessThan":"7ce4c23e783e766507b2cef27bbf97e9ca944f1a","status":"affected","version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","versionType":"git"},{"lessThan":"84008bf1860e0ef8059a7583a1163f36b704d08a","status":"affected","version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","versionType":"git"},{"lessThan":"46d59ff421824b6483549d87f14efffbbbd1f6cb","status":"affected","version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","versionType":"git"},{"lessThan":"3a5c55a19cad62f2973be25fe96a1a9e7f618e8a","status":"affected","version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","versionType":"git"},{"lessThan":"70a38f87bed7f0694fd07988b47b2db1e10d8df3","status":"affected","version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","versionType":"git"},{"lessThan":"5.10.261","status":"affected","version":"5.10.220","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"5.15"},{"lessThan":"5.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.261","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2026-72218","cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nlockd: Plug nlm_file refcount leak on cached nlm_do_fopen() failure\n\nThe cached-file path in nlm_lookup_file() reaches the found: label\nunconditionally, even when nlm_do_fopen() fails. At that label\n*result and file->f_count are updated before the error is returned.\nThe wrappers nlm3svc_lookup_file() and nlm4svc_lookup_file() then\nbail out of their switch without copying *result back to their\ncaller, so the proc handler's local nlm_file pointer remains NULL\nand the cleanup path skips nlm_release_file(). The f_count\nincrement is never released, and nlm_traverse_files() can no\nlonger reap the file because its refcount never returns to zero\nbetween requests.\n\nShort-circuit the cached path so neither *result nor f_count is\ntouched when nlm_do_fopen() fails on a hashed nlm_file.","epss":{"date":"2026-11-06","percentile":0.12129,"score":0.00216},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793985579690,"publishedAt":1786773251672,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/6cd84cefd8b73e85b9eda17b319bd40a670f3a38"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/fe3b45b56b6c3d4b6b341de27fa291005287a21c"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/cb3420c047957e565101585bb4f15e1a6e3de6b0"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/7ce4c23e783e766507b2cef27bbf97e9ca944f1a"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/84008bf1860e0ef8059a7583a1163f36b704d08a"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/46d59ff421824b6483549d87f14efffbbbd1f6cb"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/3a5c55a19cad62f2973be25fe96a1a9e7f618e8a"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/70a38f87bed7f0694fd07988b47b2db1e10d8df3"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/3a5c55a19cad62f2973be25fe96a1a9e7f618e8a"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/46d59ff421824b6483549d87f14efffbbbd1f6cb"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/6cd84cefd8b73e85b9eda17b319bd40a670f3a38"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/70a38f87bed7f0694fd07988b47b2db1e10d8df3"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/7ce4c23e783e766507b2cef27bbf97e9ca944f1a"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/84008bf1860e0ef8059a7583a1163f36b704d08a"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/cb3420c047957e565101585bb4f15e1a6e3de6b0"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/fe3b45b56b6c3d4b6b341de27fa291005287a21c"}],"remediation":[],"revision":"f20b3fbef568be6eb01cc1de411b7fd4e1a89a1ea164bf2f6036d32bf14fb4fd","sources":[{"modifiedAt":1793984122326,"name":"CNA: Linux","retrievedAt":1793986064226,"url":"https://www.cve.org/CVERecord?id=CVE-2026-72218"},{"modifiedAt":1793985579690,"name":"NVD","retrievedAt":1793989696865,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72218"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793986075039,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-72218"}],"ssvc":{"assessedAt":1793983965774,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"lockd: Plug nlm_file refcount leak on cached nlm_do_fopen() failure","updatedAt":1793989696865}