CVE-2026-49421 | FreeBSD Kernel up to p0.x/p6/p10/p15 Path Resolution unlinkat/funlinkat AT_RESOLVE_BENEATH access control

A vulnerability was found in FreeBSD Kernel up to p0.x/p6/p10/p15. It has been classified as very critical. This impacts the function unlinkat/funlinkat of the component Path Resolution. This manipulation of the argument AT_RESOLVE_BENEATH causes improper access controls.

The identification of this vulnerability is CVE-2026-49421. The attack can only be executed locally. There is no exploit available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More