{"id":"CVE-2025-68226","title":"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 …","summary":"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 …","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","published":"2025-12-16","updated":"2026-10-14","sourceUpdated":"2026-10-14T13:10:00.187","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-68226","references":[{"url":"https://git.kernel.org/stable/c/abd29b6e17a918fdd68352ce4813e167acc8727e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00351,"epssPercentile":0.26949,"ingestedAt":"2026-10-14T13:30:58.459Z","slug":"CVE-2025-68226","body":"## Overview\n\nIn 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().\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}