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

An XCCDF Rule

Description

The "root" group is a highly privileged group. Furthermore, the group-owner of this file should not have any access privileges anyway.

ID: SV-257790r991589_rule
Version: RHEL-09-212025
Severity: Medium
References: CCI-000366
Updated: about 2 months ago

Remediation Templates

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

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