RHEL 9 /boot/grub2/grub.cfg file must be group-owned by root.
An XCCDF Rule
Description
<VulnDiscussion>The "root" group is a highly privileged group. Furthermore, the group-owner of this file should not have any access privileges anyway.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-257790r991589_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Change the group of the file /boot/grub2/grub.cfg to root by running the following command:
$ sudo chgrp root /boot/grub2/grub.cfg