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AlmaLinux OS 9 must prevent files with the setuid and setgid bit set from being executed on the /boot/efi directory.

An XCCDF Rule

Description

The "nosuid" mount option causes the system not to execute "setuid" and "setgid" files with owner privileges. This option must be used for mounting any file system not containing approved "setuid" and "setguid" files. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.

ID
SV-269311r1050193_rule
Version
ALMA-09-026200
Severity
Medium
References
Updated

Remediation Templates

A Manual Procedure

Modify "/etc/fstab" to use the "nosuid" option on the "/boot/efi" directory.