CVE-2026-89791 | Linux Kernel up to 6.18.51/7.2.4/7.3-rc1 perf perf_mmap_close use after free (EUVD-2026-80312)

A vulnerability was found in Linux Kernel up to 6.18.51/7.2.4/7.3-rc1 and classified as very critical. Affected by this vulnerability is the function perf_mmap_close of the component perf. The manipulation results in use after free.

This vulnerability is known as CVE-2026-89791. Attacking locally is a requirement. No exploit is available.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More