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RHEL-09-231095 RHEL 9 must mount /boot with the nodev option.

DISA STIG library V2R10
All changes in this version
first version loaded CAT II

Maps to CM-7(2) via CCI-001764

Title

RHEL 9 must mount /boot with the nodev option.

Control

Verify that the "/boot" mount point has the "nodev" option with the following command: $ mount | grep '\s/boot\s' /dev/sda1 on /boot type xfs (rw,nodev,relatime,seclabel,attr2) If the "/boot" file system does not have the "nodev" option set, this is a finding.

Discussion

The only legitimate location for device files is the "/dev" directory located on the root partition. The only exception to this is chroot jails.

Related controls

CCI-001764

Fix

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