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RHEL-09-212025 RHEL 9 /boot/grub2/grub.cfg file must be group-owned by root.

DISA STIG library V2R10
All changes in this version
first version loaded CAT II

Maps to CM-6 via CCI-000366

Title

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

Control

Verify the group ownership of the "/boot/grub2/grub.cfg" file with 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.

Discussion

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

Related controls

CCI-000366

Fix

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