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

From Oracle Linux 5 Security Technical Implementation Guide

Part of GEN000000-LNX00520

Associated with: CCI-000225

SV-62963r1_rule The /etc/sysctl.conf file must have mode 0600 or less permissive.

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.

Check content

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

Use the chmod command to change the mode of the /etc/sysctl.conf file. # chmod 0600 /etc/sysctl.conf

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