The root account must be the only account with GID of 0.
An XCCDF Rule
Description
<VulnDiscussion>All accounts with a GID of 0 have root group privileges and must be limited to the group account only.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-216438r959010_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
The root role is required.
Change the default GID of non-root accounts to a valid GID other than 0.