A critical security vulnerability (CVE-2026-7270) has been discovered in FreeBSD's execve() system call that allows local privilege escalation. The bug, caused by an operator precedence error, enables unprivileged users to potentially gain superuser privileges through a buffer overflow. All supported versions of FreeBSD are affected, and users are urged to update their systems immediately as no workaround exists.
Background
execve() is a fundamental system call in Unix-like operating systems used to execute programs, including scripts with specified interpreters. It's a critical component of process execution and security management.
- Source
- Lobsters
- Published
- May 10, 2026 at 08:58 PM
- Score
- 9.0 / 10