A vulnerability described as critical has been identified in Linux Kernel up to 6.18.35/7.0.12. This affects the function may_decode_fh of the component fhandle. Executing a manipulation of the argument mnt_ns can lead to use after free.

This vulnerability is registered as CVE-2026-53341. The attack requires access to the local network. No exploit is available.

Upgrading the affected component is recommended.