CVE-2026-78410

util-linux is affected by a flaw in how restricted bind mounts are handled. The source path taken from /etc/fstab is not pinned before the privileged mount(8) call, allowing a local unprivileged user who can replace the authorized source or a writable ancestor to redirect the SUID mount to bind a...

CVE-2026-53614

A flaw was found in util-linux. The mount8 SUID binary does not sanitize the LIBMOUNTFORCEMOUNT2 environment variable before use. A local unprivileged user can set this variable to force mount8 to use the legacy two-step mount2 code path, which applies security restrictions such as nosuid and...

CVE-2026-27456

util-linux is a random collection of Linux utilities. Prior to version 2.41.4, a TOCTOU Time-of-Check-Time-of-Use vulnerability has been identified in the SUID binary /usr/bin/mount from util-linux. The mount binary, when setting up loop devices, validates the source file path with user privilege...