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 | 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-65076r996497_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 |