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RHEL 9 must take action when allocated audit record storage volume reaches 95 percent of the audit record storage capacity.


Overview

Finding ID Version Rule ID IA Controls Severity
V-258158 RHEL-09-653045 SV-258158r971542_rule Medium
Description
If action is not taken when storage volume reaches 95 percent utilization, the auditing system may fail when the storage volume reaches capacity.
STIG Date
Red Hat Enterprise Linux 9 Security Technical Implementation Guide 2024-06-04

Details

Check Text ( C-61899r926459_chk )
Verify RHEL 9 takes action when allocated audit record storage volume reaches 95 percent of the repository maximum audit record storage capacity with the following command:

$ sudo grep -w admin_space_left /etc/audit/auditd.conf

admin_space_left = 5%

If the value of the "admin_space_left" keyword is not set to 5 percent of the storage volume allocated to audit logs, or if the line is commented out, ask the system administrator (SA) to indicate how the system is taking action if the allocated storage is about to reach capacity. If the "space_left" value is not configured to the correct value, this is a finding.
Fix Text (F-61823r926460_fix)
Configure RHEL 9 to initiate an action when allocated audit record storage volume reaches 95 percent of the repository maximum audit record storage capacity by adding/modifying the following line in the /etc/audit/auditd.conf file.

admin_space_left = 5%