The TOSS 5 /boot/grub2/grub.cfg file must be owned by root.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-282629 | TOSS-05-000096 | SV-282629r1200867_rule | CCI-000366 | medium |
| Description | ||||
| The "/boot/grub2/grub.cfg" file stores sensitive system configurations. Protecting this file is critical for system security. | ||||
| STIG | Date | |||
| Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide | 2026-04-01 | |||
Details
Check Text (C-282629r1200867_chk)
Verify the ownership of the "/boot/grub2/grub.cfg" file using 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-87095r1200866_fix)
Change the owner of the file "/boot/grub2/grub.cfg" to root using the following command:
$ sudo chown root /boot/grub2/grub.cfg