Finding ID | Version | Rule ID | IA Controls | Severity |
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V-258034 | RHEL-09-291010 | SV-258034r997116_rule | Medium |
Description |
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USB mass storage permits easy introduction of unknown devices, thereby facilitating malicious activity. Satisfies: SRG-OS-000114-GPOS-00059, SRG-OS-000378-GPOS-00163, SRG-OS-000480-GPOS-00227 |
STIG | Date |
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Red Hat Enterprise Linux 9 Security Technical Implementation Guide | 2024-06-04 |
Check Text ( C-61775r926087_chk ) |
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Verify that RHEL 9 disables the ability to load the USB Storage kernel module with the following command: $ sudo grep -r usb-storage /etc/modprobe.conf /etc/modprobe.d/* blacklist usb-storage 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. |
Fix Text (F-61699r926088_fix) |
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To configure the system to prevent the usb-storage kernel module from being loaded, add the following line to the file /etc/modprobe.d/usb-storage.conf (or create usb-storage.conf if it does not exist): install usb-storage /bin/false blacklist usb-storage |