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

From Oracle Linux 5 Security Technical Implementation Guide

Associated with: CCI-000225

SV-63069r1_rule The systems boot loader configuration file(s) must be group-owned by root, bin, sys, or system.

Vulnerability discussion

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.

Check content

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

Change the group ownership of the file. # chgrp root /boot/grub/grub.conf

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