CVE-2025-68226

{"id": "CVE-2025-68226", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "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": "bdb596ceb4b7c3f28786a33840263728217fbcf5", "lessThan": "abd29b6e17a918fdd68352ce4813e167acc8727e", "versionType": "git"}], "programFiles": ["fs/smb/client/cached_dir.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.17.8", "lessThan": "6.17.10", "versionType": "semver"}], "programFiles": ["fs/smb/client/cached_dir.c"], "defaultStatus": "unaffected"}]}], "published": "2025-12-16T14:15:56.040", "references": [{"url": "https://git.kernel.org/stable/c/abd29b6e17a918fdd68352ce4813e167acc8727e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Deferred", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix incomplete backport in cfids_invalidation_worker()\n\nThe previous commit bdb596ceb4b7 (\"smb: client: fix potential UAF in\nsmb2_close_cached_fid()\") was an incomplete backport and missed one\nkref_put() call in cfids_invalidation_worker() that should have been\nconverted to close_cached_dir()."}], "lastModified": "2026-07-30T06:24:33.917", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}