The SUSE operating system must disable the USB mass storage kernel module.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-77165	SLES-12-010580	SV-91861r2_rule		Medium

Description
Without identifying devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. Peripherals include but are not limited to such devices as flash drives, external storage, and printers.

STIG	Date
SLES 12 Security Technical Implementation Guide	2018-09-27

Details

Check Text ( C-76775r1_chk )
Verify the SUSE operating system does not automount USB mass storage devices when connected to the host. Check that "usb-storage" is blacklisted in the "/etc/modprobe.d/50-blacklist.conf" file with the following command: # grep usb-storage /etc/modprobe.d/50-blacklist.conf blacklist usb-storage If nothing is output from the command, this is a finding.

Fix Text (F-83861r1_fix)
Configure the SUSE operating system to prevent USB mass storage devices from automounting when connected to the host. Add or update the following line to the "/etc/modprobe.d/50-blacklist.conf" file: blacklist usb-storage