OpenControls Logo

STIG Viewer

STIGViewer Support

AlmaLinux OS 9 must be configured to disable USB mass storage.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-269357ALMA-09-031370SV-269357r1050240_ruleCCI-000381medium
Description
USB mass storage permits easy introduction of unknown devices, thereby facilitating malicious activity. Satisfies: SRG-OS-000095-GPOS-00049, SRG-OS-000378-GPOS-00163, SRG-OS-000114-GPOS-00059, SRG-OS-000690-GPOS-00140
STIGDate
Cloud Linux AlmaLinux OS 9 Security Technical Implementation Guide2026-02-27

Related Frameworks

1 mapping across 5 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (2) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

CFG-01Configuration Management Program
1.00
CFG-03Least Functionality
1.00
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (36) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-11Device Lock
1.00
AC-17(1)Monitoring and Control
1.00
AC-17(10)Authenticate Remote Commands
1.00
AC-17(9)Disconnect or Disable Access
1.00
AC-18(1)Authentication and Encryption
1.00
AC-2(1)Automated System Account Management
1.00
AC-3Access Enforcement
1.00
AC-4Information Flow Enforcement
1.00
AU-12Audit Record Generation
1.00
AU-3Content of Audit Records
1.00

+26 more (top 10 by confidence shown)

NIST 800-1710 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (1) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

3.4.6
1.00
CCI1 mapping
CCI-000381
1.00
NIST CSF 2.00 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (2) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

PR.PS-01
1.00
PR.PS-05
1.00

Who does this work

5 NICE work roles and 5 EC-Council certifications.

This is an inference across published mappings, not a single claim by anyone. This check maps to a control, which maps to a Cybersecurity Framework outcome, which NIST assigns to the work roles below. EC-Council separately maps its certifications to those same roles.

A certification prepares someone for a role. It is not evidence that a holder is qualified, and neither NIST nor EC-Council has stated that any certification here addresses this check.

Work-role assignments published by NIST (NICE Framework Components 2.2.0 and the CSF 2.0 OLIR crosswalk). Certification mappings published by EC-Council.

Details

Check Text (C-269357r1050240_chk)

Verify that AlmaLinux OS 9 disables the ability to load the USB Storage kernel module with the following command: $ grep -r usb-storage /etc/modprobe.conf /etc/modprobe.d/* /etc/modprobe.d/usb-storage.conf:install usb-storage /bin/false /etc/modprobe.d/usb-storage.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.

Fix Text (F-73289r1048448_fix)

To configure the system to prevent the usb-storage kernel module from being loaded, run the following command: $ cat << EOF | tee /etc/modprobe.d/usb-storage.conf install usb-storage /bin/false blacklist usb-storage EOF