The operating system must have no unowned files.
An XCCDF Rule
Description
<VulnDiscussion>A new user who is assigned a deleted user's user ID or group ID may then end up owning these files, and thus have more access on the system than was intended.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-216199r603268_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
The root role is required.
Correct or justify any items discovered in the Check step. Determine the existence of any files that are not attributed to current users or groups on the system, and determine the best course of action in accordance with site policy. Remove the files and directories or change their ownership.