STIGQter STIGQter: STIG Summary: Red Hat Enterprise Linux 9 Security Technical Implementation Guide Version: 2 Release: 9 Benchmark Date: 01 Jul 2026:

RHEL 9 /boot/grub2/grub.cfg file must be owned by root.

DISA Rule

SV-257791r991589_rule

Vulnerability Number

V-257791

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

RHEL-09-212030

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Change the owner of the file /boot/grub2/grub.cfg to root by running the following command:

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

Check Contents

Verify the 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.

Vulnerability Number

V-257791

Documentable

False

Rule Version

RHEL-09-212030

Severity Override Guidance

Verify the 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.

Check Content Reference

M

Target Key

5551