CVE-2026-58094 | FreeBSD Kernel up to p2/p8/p12 POSIX Shared Memory ioctl toctou

August 26, 2026 Yanac

A vulnerability labeled as very critical has been found in FreeBSD Kernel up to p2/p8/p12. This vulnerability affects the function ioctl of the component POSIX Shared Memory. The manipulation results in time-of-check time-of-use.

This vulnerability is identified as CVE-2026-58094. The attack is only possible with local access. There is not any exploit available.

The affected component should be upgraded.VulDB Recent EntriesRead More