RHEL 9 must be configured to disable the Controller Area Network kernel module.
An XCCDF Rule
Description
<VulnDiscussion>Disabling Controller Area Network (CAN) protects the system against exploitation of any flaws in its implementation.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-257805r925402_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
To configure the system to prevent the can kernel module from being loaded, add the following line to the file /etc/modprobe.d/can.conf (or create atm.conf if it does not exist):
install can /bin/false
blacklist can