The SUSE operating system auditd service must notify the System Administrator (SA) and Information System Security Officer (ISSO) immediately when audit storage capacity is 75 percent full.

From SLES 12 Security Technical Implementation Guide

Associated with: CCI-001855

SV-91989r1_rule The SUSE operating system auditd service must notify the System Administrator (SA) and Information System Security Officer (ISSO) immediately when audit storage capacity is 75 percent full.

Vulnerability discussion

If security personnel are not notified immediately when storage volume reaches 75 percent utilization, they are unable to plan for audit record storage capacity expansion.

Check content

Determine if the SUSE operating system auditd is configured to notify the System Administrator (SA) and Information System Security Officer (ISSO) when the audit record storage volume reaches 75 percent of the storage capacity: # sudo grep space_left /etc/audit/auditd.conf space_left = 75 If "space_left" is not set to "75", this is a finding.

Fix text

Edit the SUSE operating system "/etc/audit/auditd.conf" by adding or editing the following line: space_left = 75

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