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

RHEL 9 must have the USBGuard package enabled.

DISA Rule

SV-258036r1014861_rule

Vulnerability Number

V-258036

Group Title

SRG-OS-000378-GPOS-00163

Rule Version

RHEL-09-291020

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

To enable the USBGuard service run the following command:

$ sudo systemctl enable --now usbguard

Check Contents

Verify RHEL 9 has USBGuard enabled with the following command:

$ systemctl is-active usbguard

active

If usbguard is not active, ask the SA to indicate how unauthorized peripherals are being blocked.

If there is no evidence that unauthorized peripherals are being blocked before establishing a connection, 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-258036

Documentable

False

Rule Version

RHEL-09-291020

Severity Override Guidance

Verify RHEL 9 has USBGuard enabled with the following command:

$ systemctl is-active usbguard

active

If usbguard is not active, ask the SA to indicate how unauthorized peripherals are being blocked.

If there is no evidence that unauthorized peripherals are being blocked before establishing a connection, 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