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 have the USBGuard package installed.

DISA Rule

SV-282593r1200759_rule

Vulnerability Number

V-282593

Group Title

SRG-OS-000378-GPOS-00163

Rule Version

TOSS-05-000285

Severity

CAT II

CCI(s)

• CCI-001958 - Authenticate organization-defined devices and/or types of devices before establishing a local, remote, and/or network connection.
• CCI-003959 - Prohibit the use or connection of unauthorized hardware components.

Weight

10

Fix Recommendation

Install the usbguard package using the following command:

$ sudo dnf install usbguard

Check Contents

Verify USBGuard is installed on the operating system using the following command:

$ sudo dnf list installed usbguard

usbguard.x86_64 1.0.0-10.el9_1.2 @rhel-9-for-x86_64-appstream-rpms

If the USBGuard package is not installed, ask the SA to indicate how unauthorized peripherals are blocked.

If there is no evidence that unauthorized peripherals are blocked before establishing a connection, this is a finding.

Vulnerability Number

V-282593

Documentable

False

Rule Version

TOSS-05-000285

Severity Override Guidance

Verify USBGuard is installed on the operating system using the following command:

$ sudo dnf list installed usbguard

usbguard.x86_64 1.0.0-10.el9_1.2 @rhel-9-for-x86_64-appstream-rpms

If the USBGuard package is not installed, ask the SA to indicate how unauthorized peripherals are blocked.

If there is no evidence that unauthorized peripherals are blocked before establishing a connection, this is a finding.

Check Content Reference

M

Target Key

5738