CVE-2025-68226: Linux

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix incomplete backport in cfids_invalidation_worker() The previous commit bdb596ceb4b7 ("smb: client: fix potential UAF in smb2_close_cached_fid()") was an incomplete backport and missed one kref_put() call in cfids_invalidation_worker() that should have been converted to close_cached_dir().

Affected products

• Linux Linux: from 6.17.8, before 6.17.10 (fixed in 6.17.10)

Published 2025-12-16. Last modified 2026-07-30.