RHEL 9 must remove all software components after updated versions have been installed.
An XCCDF Rule
Description
<VulnDiscussion>Previous versions of software components that are not removed from the information system after updates have been installed may be exploited by some adversaries.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-257824r925459_rule
- Severity
- Low
- References
- Updated
Remediation - Manual Procedure
Configure RHEL 9 to remove all software components after updated versions have been installed.
Edit the file /etc/dnf/dnf.conf by adding or editing the following line:
clean_requirements_on_remove=1