STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 26 Mar 2026:

The TOSS 5 /boot/grub2/grub.cfg file must be group owned by root.

DISA Rule

SV-282628r1200864_rule

Vulnerability Number

V-282628

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

TOSS-05-000095

Severity

CAT II

CCI(s)

• CCI-000366 - Implement the security configuration settings.

Weight

10

Fix Recommendation

Change the group of the file /boot/grub2/grub.cfg to root using the following command:

$ sudo chgrp root /boot/grub2/grub.cfg

Check Contents

Verify the group ownership of the "/boot/grub2/grub.cfg" file using the following command:

$ sudo stat -c "%G %n" /boot/grub2/grub.cfg

root /boot/grub2/grub.cfg

If "/boot/grub2/grub.cfg" file does not have a group owner of "root", this is a finding.

Vulnerability Number

V-282628

Documentable

False

Rule Version

TOSS-05-000095

Severity Override Guidance

Verify the group ownership of the "/boot/grub2/grub.cfg" file using the following command:

$ sudo stat -c "%G %n" /boot/grub2/grub.cfg

root /boot/grub2/grub.cfg

If "/boot/grub2/grub.cfg" file does not have a group owner of "root", this is a finding.

Check Content Reference

M

Target Key

5738