CVE-2025-40010: Linux

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

In the Linux kernel, the following vulnerability has been resolved: afs: Fix potential null pointer dereference in afs_put_server afs_put_server() accessed server->debug_id before the NULL check, which could lead to a null pointer dereference. Move the debug_id assignment, ensuring we never dereference a NULL server pointer.

Affected products

• Linux Linux: from 6.0, before 6.1.155 (fixed in 6.1.155); from 6.2, before 6.6.109 (fixed in 6.6.109); from 6.7, before 6.12.50 (fixed in 6.12.50); from 6.13, before 6.16.10 (fixed in 6.16.10)

Published 2025-10-20. Last modified 2026-06-17.