CVE-2026-53614 util-linux - Privilege Escalation

util-linux 2.39.1 through 2.41.4 and 2.42 through 2.42.1 contain a privilege escalation caused by unsafe handling of LIBMOUNT_FORCE_MOUNT2 environment variable in the SUID mount utility, letting local low-privileged users gain root privileges by exploiting a race condition with bind mounts, exploit requires authorized /etc/fstab bind mount with specific options.

CVSS base score 7.0 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
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