CVE-2025-68226

Linux Kernel 6.17.8-6.17.9 - Use-After-Free in SMB Client Cached FID Invalidation

Title source: llm
STIX 2.1

Description

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().

Scores

EPSS 0.0003
EPSS Percentile 7.8%

Details

Status published
Products (3)
linux/Kernel 6.17.8 - 6.17.10linux
Linux/Linux 6.17.8 - 6.17.10
Linux/Linux bdb596ceb4b7c3f28786a33840263728217fbcf5 - abd29b6e17a918fdd68352ce4813e167acc8727e
Published Dec 16, 2025
Tracked Since Feb 18, 2026