V-270718

Discussion

Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. Peripherals include, but are not limited to, devices such as flash drives, external storage, and printers. Satisfies: SRG-OS-000690-GPOS-00140, SRG-OS-000378-GPOS-00163

Check Content

Verify that Ubuntu 24.04 LTS disables the ability to load the USB storage kernel module with the following command:

$ sudo grep usb-storage /etc/modprobe.d/* | grep "/bin/false" 
/etc/modprobe.d/DISASTIG.conf:install usb-storage /bin/false

If the command does not return any output, or the line is commented out, this is a finding.

Verify Ubuntu 24.04 LTS disables the ability to use USB mass storage devices.

$ sudo grep usb-storage /etc/modprobe.d/* | grep -i "blacklist"
/etc/modprobe.d/DISASTIG.conf:blacklist usb-storage

If the command does not return any output, or the line is commented out, this is a finding.