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

From Red Hat Enterprise Linux 5 Security Technical Implementation Guide

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-37257r1_rule The /etc/sysctl.conf file must be group-owned by root.

Vulnerability discussion

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

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Fix text

Use the chgrp command to change the group owner of /etc/sysctl.conf to root: # chgrp root /etc/sysctl.conf

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