1. Critical TOCTOU Vulnerability in util-linux mount (CVE-2026-27456) Allows Local Privilege Escalation
A critical Time-of-Check-Time-of-Use (TOCTOU) vulnerability has been discovered in the SUID binary `/usr/bin/mount` from the util-linux package, tracked as CVE-2026-27456. This flaw allows a local, unprivileged user to potentially escalate privileges to root by exploiting a race condition during the setup of loop devic...