RHEL 9 must label all offloaded audit logs before sending them to the central log server.

STIG ID: RHEL-09-653060  |  SRG: SRG-OS-000039-GPOS-00017 |  Severity: medium |  CCI: CCI-000132,CCI-001851 |  Vulnerability Id: V-258161

Vulnerability Discussion

Enriched logging is needed to determine who, what, and when events occur on a system. Without this, determining root cause of an event will be much more difficult.

When audit logs are not labeled before they are sent to a central log server, the audit data will not be able to be analyzed and tied back to the correct system.

Satisfies: SRG-OS-000039-GPOS-00017, SRG-OS-000342-GPOS-00133, SRG-OS-000479-GPOS-00224

Check

Verify that RHEL 9 Audit Daemon is configured to label all offloaded audit logs, with the following command:

$ sudo grep name_format /etc/audit/auditd.conf

name_format = hostname

If the "name_format" option is not "hostname", "fqd", or "numeric", or the line is commented out, this is a finding.

Fix

Edit the /etc/audit/auditd.conf file and add or update the "name_format" option:

name_format = hostname

The audit daemon must be restarted for changes to take effect.
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