The /etc/sysctl.conf file must be group-owned by root.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-4335	GEN000000-LNX00500	SV-44656r1_rule		Medium

Description
The sysctl.conf file specifies the values for kernel parameters to be set on boot. These settings can affect the system's security.

STIG	Date
SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide	2018-09-19

Details

Check Text ( C-42160r1_chk )
Check /etc/sysctl.conf group ownership: # ls -lL /etc/sysctl.conf If /etc/sysctl.conf is not group-owned by root, this is a finding.

Fix Text (F-38111r1_fix)
Use the chgrp command to change the group owner of /etc/sysctl.conf to root: # chgrp root /etc/sysctl.conf