RHEL 9 /etc/group file must be owned by root.

STIG ID: RHEL-09-232090  |  SRG: SRG-OS-000480-GPOS-00227 |  Severity: medium |  CCI: CCI-000366 |  Vulnerability Id: V-257898 | 

Vulnerability Discussion

The "/etc/group" file contains information regarding groups that are configured on the system. Protection of this file is important for system security.

Check

Verify the ownership of the "/etc/group" file with the following command:

$ sudo stat -c "%U %n" /etc/group

root /etc/group

If "/etc/group" file does not have an owner of "root", this is a finding.

Fix

Change the owner of the file /etc/group to root by running the following command:

$ sudo chown root /etc/group