The /etc/sysctl.conf file must have mode 0600 or less permissive.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-4336	GEN000000-LNX00520	SV-44657r1_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-42161r1_chk )
Check /etc/sysctl.conf permissions: # ls -lL /etc/sysctl.conf If /etc/sysctl.conf has a mode more permissive than 0600, this is a finding.

Fix Text (F-38112r1_fix)
Use the chmod command to change the mode of the /etc/sysctl.conf file. # chmod 0600 /etc/sysctl.conf