All skeleton files (typically in /etc/skel) must be group-owned by root, bin or sys.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22358	GEN001830	SV-45139r2_rule	ECLP-1	Medium

Description
If the skeleton files are not protected, unauthorized personnel could change user startup parameters and possibly jeopardize user files.

STIG	Date
SUSE Linux Enterprise Server v11 for System z	2015-10-20

Details

Check Text ( C-42482r2_chk )
Verify the skeleton files are group-owned by root, bin or sys. Procedure: # ls -alL /etc/skel If a skeleton file is not group-owned by root, bin or sys this is a finding.

Fix Text (F-38535r3_fix)
Change the group-owner of the skeleton file to root, bin or sys. Procedure: # chgrp /etc/skel/ or: # cd /etc/skel # ls -L /etc/skel|xargs stat -L -c %G:%n|egrep -v "^(root|bin|sys):"|cut -d: -f2|xargs chgrp root will change the group of all files not already in one of the approved groups to root.