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RHEL-10-400345 RHEL 10 must enforce "root" group ownership of the "/boot/grub2/grub.cfg" file.

DISA STIG library V1R3
All changes in this version
first version loaded CAT II

Maps to AC-3 via CCI-000213

Title

RHEL 10 must enforce "root" group ownership of the "/boot/grub2/grub.cfg" file.

Control

Verify RHEL 10 enforces 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 the "/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-000213

Fix

Configure RHEL 10 to enforce group ownership of the "/boot/grub2/grub.cfg" file. Change the group owner of the file "/boot/grub2/grub.cfg" to "root" by running the following command: $ sudo chgrp root /boot/grub2/grub.cfg