STIGQter STIGQter: STIG Summary: Red Hat Enterprise Linux 8 Security Technical Implementation Guide Version: 2 Release: 8 Benchmark Date: 01 Jul 2026:

RHEL 8 must be configured to disable USB mass storage.

DISA Rule

SV-230503r1069316_rule

Vulnerability Number

V-230503

Group Title

SRG-OS-000114-GPOS-00059

Rule Version

RHEL-08-040080

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Configure the operating system to disable the ability to use the USB Storage kernel module and the ability to use USB mass storage devices.

Add or update the following lines in the file "/etc/modprobe.d/blacklist.conf":

install usb-storage /bin/false
blacklist usb-storage

Reboot the system for the settings to take effect.

Check Contents

Verify the operating system disables the ability to load the USB Storage kernel module and ensure that the USB Storage kernel module is disabled with the following command:

$ sudo grep usb-storage /etc/modprobe.d/* | grep -i "blacklist"

/etc/modprobe.d/blacklist.conf:install usb-storage /bin/false
/etc/modprobe.d/blacklist.conf:blacklist usb-storage

If the command does not return any output, or the line is commented out, and use of USB Storage is not documented with the Information System Security Officer (ISSO) as an operational requirement, this is a finding.

Vulnerability Number

V-230503

Documentable

False

Rule Version

RHEL-08-040080

Severity Override Guidance

Verify the operating system disables the ability to load the USB Storage kernel module and ensure that the USB Storage kernel module is disabled with the following command:

$ sudo grep usb-storage /etc/modprobe.d/* | grep -i "blacklist"

/etc/modprobe.d/blacklist.conf:install usb-storage /bin/false
/etc/modprobe.d/blacklist.conf:blacklist usb-storage

If the command does not return any output, or the line is commented out, and use of USB Storage is not documented with the Information System Security Officer (ISSO) as an operational requirement, this is a finding.

Check Content Reference

M

Target Key

2921