TOSS 5 groups must have unique Group ID (GID).

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-282491TOSS-05-000309SV-282491r1200453_ruleCCI-000764medium
Description
To ensure accountability and prevent unauthenticated access, groups must be identified uniquely to prevent potential misuse and compromise of the system.
STIGDate
Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide2026-04-01

Details

Check Text (C-282491r1200453_chk)

Verify TOSS 5 contains no duplicate GIDs for interactive users using the following command: $ cut -d : -f 3 /etc/group | uniq -d If the system has duplicate GIDs, this is a finding.

Fix Text (F-86957r1200452_fix)

Edit the file "/etc/group" and provide each group that has a duplicate GID with a unique GID.