CVE-2025-71151: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix memory and information leak in smb3_reconfigure() In smb3_reconfigure(), if smb3_sync_session_ctx_passwords() fails, the function returns immediately without freeing and erasing the newly allocated new_password and new_password2. This causes both a memory leak and a potential information leak. Fix this by calling kfree_sensitive() on both password buffers before returning in this error case.

Affected products

• Linux Linux Kernel: from 6.6.64, before 6.6.120 (fixed in 6.6.120); from 6.11.11, before 6.12 (fixed in 6.12); from 6.12.2, before 6.12.64 (fixed in 6.12.64); from 6.13, before 6.18.3 (fixed in 6.18.3); version 6.19 only

Published 2026-01-23. Last modified 2026-06-17.