RHEL 9 must periodically flush audit records to disk to prevent the loss of audit records.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-258168 | SRG-OS-000051-GPOS-00024 | RHEL-09-653095 | SV-258168r958428_rule | 2025-02-27 | 2 |
| Description |
|---|
| 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. |
| ℹ️ Check |
|---|
| Verify that audit system is configured to flush to disk after every 100 records with the following command: $ sudo grep freq /etc/audit/auditd.conf freq = 100 If "freq" isn't set to a value between "1" and "100", the value is missing, or the line is commented out, this is a finding. |
| ✔️ Fix |
|---|
| 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. |