SLEM 5 must disable the USB mass storage kernel module.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-261347 | SLEM-05-291015 | SV-261347r996498_rule | CCI-001958 | 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 | |||
| SUSE Linux Enterprise Micro (SLEM) 5 Security Technical Implementation Guide | 2025-05-08 | |||
Details
Check Text (C-261347r996498_chk)
Verify SLEM 5 does not automount USB mass storage devices when connected to the host with the following command:
> grep usb-storage /etc/modprobe.d/50-blacklist.conf
blacklist usb-storage
If the line is commented out or the line is missing, this is a finding.
Fix Text (F-64984r995907_fix)
Configure SLEM 5 to prevent USB mass storage devices from automounting when connected to the host.
Add or modify the following line in the "/etc/modprobe.d/50-blacklist.conf" file:
blacklist usb-storage