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XCCDF
Docker Enterprise 2.x Linux/UNIX Security Technical Implementation Guide
SRG-APP-000454
Docker Enterprise older Universal Control Plane (UCP) and Docker Trusted Registry (DTR) images must be removed from all cluster nodes upon upgrading.
Docker Enterprise older Universal Control Plane (UCP) and Docker Trusted Registry (DTR) images must be removed from all cluster nodes upon upgrading.
An XCCDF Rule
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Docker Enterprise older Universal Control Plane (UCP) and Docker Trusted Registry (DTR) images must be removed from all cluster nodes upon upgrading.
Medium Severity
<VulnDiscussion>When upgrading either the UCP or DTR components of Docker Enterprise, the newer images are pulled (or unpacked if offline) onto Engine nodes in a cluster. Once the upgrade is complete, one must manually remove all old image version from the cluster nodes to meet the requirements of this control. When upgrading the Docker Engine - Enterprise component of Docker Enterprise, the old package version is automatically replaced.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>