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The Oracle Linux 8 Security Technical Implementation Guide (V2 R10) has 378 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.
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New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.
Verify the operating system disables the ability to load the USB Storage kernel module.
$ sudo grep -r usb-storage /etc/modprobe.d/* | grep -i "/bin/false"
install usb-storage /bin/false
If the command does not return any output, or the line is commented out, and use of USB Storage is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.
Determine if USB mass storage is disabled with the following command:
$ sudo grep usb-storage /etc/modprobe.d/* | grep -i "blacklist" | grep -v "^#"
/etc/modprobe.d/blacklist.conf:blacklist usb-storage
If the command does not return any output or the output is not "blacklist usb-storage" and use of USB storage devices is not documented with the ISSO as an operational requirement, this is a finding.
Configure OL 8 to disable the ability to use the USB Storage kernel module and to use USB mass storage devices.
$ sudo vi /etc/modprobe.d/blacklist.conf
Add or update the lines:
install usb-storage /bin/false
blacklist usb-storage
Reboot the system for the settings to take effect.