CVE-2026-53392 | Linux Kernel up to 6.12.95/6.18.37/7.1.2 Flexfiles ff_layout_alloc_lseg fh_count null pointer dereference (WID-SEC-2026-2403)

A vulnerability described as . Affected is the function ff_layout_alloc_lseg of the component Flexfiles. Such manipulation of the argument fh_count leads to null pointer dereference.

This vulnerability is documented as CVE-2026-53392. The attack can be executed remotely. There is not any exploit available.

Upgrading the affected component is recommended.