CVE-2025-21660: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix unexpectedly changed path in ksmbd_vfs_kern_path_locked When `ksmbd_vfs_kern_path_locked` met an error and it is not the last entry, it will exit without restoring changed path buffer. But later this buffer may be used as the filename for creation.

Affected products

• Linux Linux Kernel: from 6.1.113, before 6.1.125 (fixed in 6.1.125); from 6.6.54, before 6.6.72 (fixed in 6.6.72); from 6.10.13, before 6.11 (fixed in 6.11); from 6.11.2, before 6.12.10 (fixed in 6.12.10); version 6.13 only

Published 2025-01-21. Last modified 2026-06-17.