STIGQter: STIG Summary: Oracle Linux 9 Security Technical Implementation Guide Version: 1 Release: 6 Benchmark Date: 01 Jul 2026:

OL 9 must have the USBGuard package installed.

DISA Rule

SV-271503r1091221_rule

Vulnerability Number

V-271503

Group Title

SRG-OS-000378-GPOS-00163

Rule Version

OL09-00-000320

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.

Weight

10

Fix Recommendation

Install the usbguard package with the following command:

$ sudo dnf install -y usbguard

Check Contents

Verify that OL 9 has USBGuard installed on the operating system with the following command:

$ dnf list --installed usbguard
Installed Packages
usbguard.x86_64 1.0.0-15.el9 @ol9_appstream

If the USBGuard package is not installed, 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.

Vulnerability Number

V-271503

Documentable

False

Rule Version

OL09-00-000320

Severity Override Guidance

Verify that OL 9 has USBGuard installed on the operating system with the following command:

$ dnf list --installed usbguard
Installed Packages
usbguard.x86_64 1.0.0-15.el9 @ol9_appstream

If the USBGuard package is not installed, 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.

Check Content Reference

M

Target Key

5680