CVE-2025-68300: Linux

EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: fs/namespace: fix reference leak in grab_requested_mnt_ns lookup_mnt_ns() already takes a reference on mnt_ns. grab_requested_mnt_ns() doesn't need to take an extra reference.

Affected products

• Linux Linux: from 6.12.59, before 6.12.61 (fixed in 6.12.61); from 6.17.9, before 6.17.11 (fixed in 6.17.11)

Published 2025-12-16. Last modified 2026-06-17.