OL 9 /boot/grub2/grub.cfg file must be owned by root.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-271793 | OL09-00-002531 | SV-271793r1092605_rule | CCI-000366 | medium |
| Description | ||||
| The "/boot/grub2/grub.cfg" file stores sensitive system configuration. Protection of this file is critical for system security. | ||||
| STIG | Date | |||
| Oracle Linux 9 Security Technical Implementation Guide | 2025-05-08 | |||
Details
Check Text (C-271793r1092605_chk)
Verify that OL 9 configures ownership of the "/boot/grub2/grub.cfg" file with the following command:
$ sudo stat -c "%U %n" /boot/grub2/grub.cfg
root /boot/grub2/grub.cfg
If "/boot/grub2/grub.cfg" file does not have an owner of "root", this is a finding.
Fix Text (F-75750r1092090_fix)
Change the owner of the file /boot/grub2/grub.cfg to root by running the following command:
$ sudo chown root /boot/grub2/grub.cfg