AlmaLinux OS 9 must prevent special devices on file systems that are used with removable media.

The "nodev" mount option causes the system not to interpret character or block special devices. Executing character or blocking special devices from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.

Verify file systems that are used for removable media are mounted with the "nodev" option with the following command:

$ cat /etc/fstab

UUID=0cb43738-b102-48f8-9174-061d8ee537b8 /mnt/usbdrive vfat noauto,owner,ro,nosuid,nodev,noexec 0 0

If a file system found in "/etc/fstab" refers to removable media and it does not have the "nodev" option set, this is a finding.

Configure the "/etc/fstab" to use the "nodev" option on file systems that are associated with removable media.