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XCCDF
Canonical Ubuntu 20.04 LTS Security Technical Implementation Guide
SRG-OS-000437-GPOS-00194
The Ubuntu operating system must be configured so that Advance Package Tool (APT) removes all software components after updated versions have been installed.
The Ubuntu operating system must be configured so that Advance Package Tool (APT) removes all software components after updated versions have been installed.
An XCCDF Rule
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The Ubuntu operating system must be configured so that Advance Package Tool (APT) removes all software components after updated versions have been installed.
Medium Severity
<VulnDiscussion>Previous versions of software components that are not removed from the information system after updates have been installed may be exploited by adversaries. Some information technology products may remove older versions of software automatically from the information system.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>