All GIDs referenced in /etc/passwd must be defined in /etc/group.

From Oracle Linux 6 Security Technical Implementation Guide

Associated with: CCI-000366

SV-65179r2_rule All GIDs referenced in /etc/passwd must be defined in /etc/group.

Vulnerability discussion

Inconsistency in GIDs between /etc/passwd and /etc/group could lead to a user having unintended rights.

Check content

To ensure all GIDs referenced in /etc/passwd are defined in /etc/group, run the following command: # pwck -r | grep 'no group' There should be no output. If there is output, this is a finding.

Fix text

Add a group to the system for each GID referenced without a corresponding group.

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