CVE-2026-45250

The setcred2 system call is only available to privileged users. However, before the privilege level of the caller is checked, the user-supplied list of supplementary groups is copied into a fixed-size kernel stack buffer without first validating its length. If the supplied list exceeds the capaci...

PT-2026-42398

Name of the Vulnerable Software and Affected Versions FreeBSD versions 14.x Description A stack buffer overflow exists in the setcred2 system call. The issue occurs because a user-supplied list of supplementary groups is copied into a fixed-size kernel stack buffer before the privilege level of t...