CVE-2026-53109 | Linux Kernel up to 6.18.32/7.0.9 powerpc pte_free_defer context stack-based overflow (WID-SEC-2026-2077)

A vulnerability was found in . This affects the function pte_free_defer of the component powerpc. Performing a manipulation of the argument context results in stack-based buffer overflow.

This vulnerability is cataloged as CVE-2026-53109. It is possible to initiate the attack remotely. There is no exploit available.

Upgrading the affected component is advised.