STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 26 Mar 2026:

TOSS 5 must enable Linux audit logging for the USBGuard daemon.

DISA Rule

SV-282436r1200288_rule

Vulnerability Number

V-282436

Group Title

SRG-OS-000062-GPOS-00031

Rule Version

TOSS-05-000287

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 TOSS 5 USBGuard AuditBackend to use the audit system.

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

AuditBackend=LinuxAudit

Check Contents

Verify Linux Audit logging is enabled for the USBGuard daemon using the following command:

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

AuditBackend=LinuxAudit

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

Vulnerability Number

V-282436

Documentable

False

Rule Version

TOSS-05-000287

Severity Override Guidance

Verify Linux Audit logging is enabled for the USBGuard daemon using the following command:

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

AuditBackend=LinuxAudit

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

Check Content Reference

M

Target Key

5738