The systems boot loader configuration file(s) must be group-owned by root, bin, sys, or system.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22587	GEN008780	SV-63069r1_rule		Medium

Description
The system's boot loader configuration files are critical to the integrity of the system and must be protected. Unauthorized modifications resulting from improper group ownership may compromise the boot loader configuration.

STIG	Date
Oracle Linux 5 Security Technical Implementation Guide	2020-02-25

Details

Check Text ( C-51829r1_chk )
Check the group ownership of the file. # ls -lLd /boot/grub/grub.conf If the group-owner of the file is not root, bin, sys, or system this is a finding.

Fix Text (F-53657r1_fix)
Change the group ownership of the file. # chgrp root /boot/grub/grub.conf