All files and directories must have a valid group owner.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-72009	RHEL-07-020330	SV-86633r2_rule		Medium

Description
Files without a valid group owner may be unintentionally inherited if a group is assigned the same Group Identifier (GID) as the GID of the files without a valid group owner.

STIG	Date
Red Hat Enterprise Linux 7 Security Technical Implementation Guide	2017-12-14

Details

Check Text ( C-72241r3_chk )
Verify all files and directories on the system have a valid group. Check the owner of all files and directories with the following command: Note: The value after -fstype must be replaced with the filesystem type. XFS is used as an example. # find / -fstype xfs -nogroup If any files on the system do not have an assigned group, this is a finding.

Fix Text (F-78361r1_fix)
Either remove all files and directories from the system that do not have a valid group, or assign a valid group to all files and directories on the system with the "chgrp" command: # chgrp