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RHEL-10-600470 RHEL 10 must have a unique group ID (GID) for each group in "/etc/group".

DISA STIG library V1R3
All changes in this version
first version loaded CAT II

Maps to IA-2 via CCI-000764

Title

RHEL 10 must have a unique group ID (GID) for each group in "/etc/group".

Control

Verify RHEL 10 contains no duplicate GIDs for interactive users with the following command: $ cut -d : -f 3 /etc/group | uniq -d If the system has duplicate GIDs, this is a finding.

Discussion

To ensure accountability and prevent unauthenticated access, groups must be identified uniquely to prevent potential misuse and compromise of the system.

Related controls

CCI-000764

Fix

Configure RHEL 10 to contain no duplicate GIDs for interactive users. Edit the file "/etc/group", and provide each group that has a duplicate GID with a unique GID.