RHEL 9 must periodically flush audit records to disk to prevent the loss of audit records.
An XCCDF Rule
Description
<VulnDiscussion>If option "freq" is not set to a value that requires audit records being written to disk after a threshold number is reached, then audit records may be lost.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-258168r958428_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Configure RHEL 9 to flush audit to disk by adding or updating the following rule in "/etc/audit/auditd.conf":
freq = 100
The audit daemon must be restarted for the changes to take effect.