CVE-2026-31421 | Linux Kernel up to 6.1.167/6.6.133/6.12.80/6.18.21/6.19.11 fw_classify null pointer dereference

A vulnerability has been found in Linux Kernel up to 6.1.167/6.6.133/6.12.80/6.18.21/6.19.11 and classified as critical. The affected element is the function fw_classify. The manipulation leads to null pointer dereference.

This vulnerability is listed as CVE-2026-31421. The attack must be carried out from within the local network. There is no available exploit.

The affected component should be upgraded.VulDB Recent EntriesRead More