The Red Hat Enterprise Linux operating system must be configured so that the audit system takes appropriate action when the audit storage volume is full.

From Red Hat Enterprise Linux 7 Security Technical Implementation Guide

Associated with: CCI-001851

SV-86711r3_rule The Red Hat Enterprise Linux operating system must be configured so that the audit system takes appropriate action when the audit storage volume is full.

Vulnerability discussion

Taking appropriate action in case of a filled audit storage volume will minimize the possibility of losing audit records.

Check content

Verify the action the operating system takes if the disk the audit records are written to becomes full. To determine the action that takes place if the disk is full on the remote server, use the following command: # grep -i disk_full_action /etc/audisp/audisp-remote.conf disk_full_action = single If the value of the "disk_full_action" option is not "syslog", "single", or "halt", or the line is commented out, this is a finding.

Fix text

Configure the action the operating system takes if the disk the audit records are written to becomes full. Uncomment or edit the "disk_full_action" option in "/etc/audisp/audisp-remote.conf" and set it to "syslog", "single", or "halt", such as the following line: disk_full_action = single

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