OL 9 must mount /boot with the nodev option.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-271647 | OL09-00-002030 | SV-271647r1091653_rule | CCI-001764 | medium |
| Description | ||||
| The only legitimate location for device files is the "/dev" directory located on the root partition. The only exception to this is chroot jails. | ||||
| STIG | Date | |||
| Oracle Linux 9 Security Technical Implementation Guide | 2025-05-08 | |||
Details
Check Text (C-271647r1091653_chk)
Verify that OL 9 is configured to mount /boot with the nodev option.
Verify that the "/boot" mount point has the "nodev" option is 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.
Fix Text (F-75604r1091652_fix)
Configure OL 9 to mount /boot with the nodev option.
Modify "/etc/fstab" to use the "nodev" option on the "/boot" directory.