STIGQter: STIG Summary: Red Hat Enterprise Linux 9 Security Technical Implementation Guide Version: 2 Release: 9 Benchmark Date: 01 Jul 2026:

RHEL 9 must enable Linux audit logging for the USBGuard daemon.

DISA Rule

SV-258037r1014863_rule

Vulnerability Number

V-258037

Group Title

SRG-OS-000062-GPOS-00031

Rule Version

RHEL-09-291025

Severity

CAT III

CCI(s)

• CCI-000169 - Provide audit record generation capability for the event types the system is capable of auditing as defined in AU-2 a. on organization-defined information system components.

Weight

10

Fix Recommendation

Configure RHEL 9 USBGuard AuditBackend to use the audit system.

Add or edit the following line in /etc/usbguard/usbguard-daemon.conf

AuditBackend=LinuxAudit

Check Contents

To verify that Linux Audit logging is enabled for the USBGuard daemon with the following command:

$ sudo grep AuditBackend /etc/usbguard/usbguard-daemon.conf

AuditBackend=LinuxAudit

If "AuditBackend" is not set to "LinuxAudit", this is a finding.

If the system is virtual machine with no virtual or physical USB peripherals attached, this is not a finding.

Vulnerability Number

V-258037

Documentable

False

Rule Version

RHEL-09-291025

Severity Override Guidance

To verify that Linux Audit logging is enabled for the USBGuard daemon with the following command:

$ sudo grep AuditBackend /etc/usbguard/usbguard-daemon.conf

AuditBackend=LinuxAudit

If "AuditBackend" is not set to "LinuxAudit", this is a finding.

If the system is virtual machine with no virtual or physical USB peripherals attached, this is not a finding.

Check Content Reference

M

Target Key

5551