RHEL 9 must be configured to disable the FireWire kernel module.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-257806	RHEL-09-213055	SV-257806r958478_rule		Medium

Description
Disabling firewire protects the system against exploitation of any flaws in its implementation.

STIG	Date
Red Hat Enterprise Linux 9 Security Technical Implementation Guide	2024-06-04

Details

Check Text ( C-61547r925403_chk )
Verify that RHEL 9 disables the ability to load the firewire-core kernel module with the following command: $ sudo grep -r firewire-core /etc/modprobe.conf /etc/modprobe.d/* blacklist firewire-core If the command does not return any output, or the line is commented out, and use of firewire-core is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.

Check Text ( C-61547r925403_chk )

Verify that RHEL 9 disables the ability to load the firewire-core kernel module with the following command:

$ sudo grep -r firewire-core /etc/modprobe.conf /etc/modprobe.d/*

blacklist firewire-core

If the command does not return any output, or the line is commented out, and use of firewire-core is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.

Fix Text (F-61471r942954_fix)
To configure the system to prevent the firewire-core kernel module from being loaded, add the following line to the file /etc/modprobe.d/firewire-core.conf (or create firewire-core.conf if it does not exist): install firewire-core /bin/false blacklist firewire-core