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RHEL-10-700850 RHEL 10 must be configured to disable USB mass storage.

DISA STIG library V1R3
All changes in this version
first version loaded CAT II

Maps to IA-3 via CCI-000778, CCI-001958

Title

RHEL 10 must be configured to disable USB mass storage.

Control

Verify RHEL 10 disables the ability to load the USB Storage kernel module with the following command: $ sudo grep -rs 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 either line is commented out, and use of USB Storage is not documented with the information system security officer as an operational requirement, this is a finding.

Discussion

USB mass storage permits easy introduction of unknown devices, thereby facilitating malicious activity. Satisfies: SRG-OS-000114-GPOS-00059, SRG-OS-000378-GPOS-00163

Related controls

CCI-000778, CCI-001958

Fix

Configure RHEL 10 to prevent the usb-storage kernel module from being loaded. Add the following lines to the file "/etc/modprobe.d/usb-storage.conf" (or create "usb-storage.conf" if it does not exist): $ sudo vi /etc/modprobe.d/usb-storage.conf install usb-storage /bin/false blacklist usb-storage