CVE-2026-72218

{"id": "CVE-2026-72218", "cveTags": [], "metrics": {}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "e580323ac0b51ad10ec2e181d1f777479b7983e7", "lessThan": "6cd84cefd8b73e85b9eda17b319bd40a670f3a38", "versionType": "git"}, {"status": "affected", "version": "7f024fcd5c97dc70bb9121c80407cf3cf9be7159", "lessThan": "fe3b45b56b6c3d4b6b341de27fa291005287a21c", "versionType": "git"}, {"status": "affected", "version": "7f024fcd5c97dc70bb9121c80407cf3cf9be7159", "lessThan": "cb3420c047957e565101585bb4f15e1a6e3de6b0", "versionType": "git"}, {"status": "affected", "version": "7f024fcd5c97dc70bb9121c80407cf3cf9be7159", "lessThan": "7ce4c23e783e766507b2cef27bbf97e9ca944f1a", "versionType": "git"}, {"status": "affected", "version": "7f024fcd5c97dc70bb9121c80407cf3cf9be7159", "lessThan": "84008bf1860e0ef8059a7583a1163f36b704d08a", "versionType": "git"}, {"status": "affected", "version": "7f024fcd5c97dc70bb9121c80407cf3cf9be7159", "lessThan": "46d59ff421824b6483549d87f14efffbbbd1f6cb", "versionType": "git"}, {"status": "affected", "version": "7f024fcd5c97dc70bb9121c80407cf3cf9be7159", "lessThan": "3a5c55a19cad62f2973be25fe96a1a9e7f618e8a", "versionType": "git"}, {"status": "affected", "version": "7f024fcd5c97dc70bb9121c80407cf3cf9be7159", "lessThan": "70a38f87bed7f0694fd07988b47b2db1e10d8df3", "versionType": "git"}, {"status": "affected", "version": "5.10.220", "lessThan": "5.10.261", "versionType": "semver"}], "programFiles": ["fs/lockd/svcsubs.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.15"}, {"status": "unaffected", "version": "0", "lessThan": "5.15", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.261", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.212", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.178", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.145", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.97", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.40", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.5", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/lockd/svcsubs.c"], "defaultStatus": "affected"}]}], "published": "2026-08-15T06:21:40.613", "references": [{"url": "https://git.kernel.org/stable/c/3a5c55a19cad62f2973be25fe96a1a9e7f618e8a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/46d59ff421824b6483549d87f14efffbbbd1f6cb", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6cd84cefd8b73e85b9eda17b319bd40a670f3a38", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/70a38f87bed7f0694fd07988b47b2db1e10d8df3", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7ce4c23e783e766507b2cef27bbf97e9ca944f1a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/84008bf1860e0ef8059a7583a1163f36b704d08a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/cb3420c047957e565101585bb4f15e1a6e3de6b0", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/fe3b45b56b6c3d4b6b341de27fa291005287a21c", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-08-17T06:18:22.810", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}