STIGUI
V-216190CAT II — Medium severitySV-216190r958504_rule

Duplicate UIDs must not exist for multiple non-organizational users.

Rule version SOL-11.1-070110 · STIG v3 · 2026-08-19

Discussion

Non-organizational users must be assigned unique UIDs for accountability and to ensure appropriate access protections.

Check

The root role is required.

Check that there are no duplicate UIDs.

# logins -d

If output is produced, this is a finding.

Fix

The root role is required.

Determine if there exists any users who share a common UID, and work with those users to determine the best course of action in accordance with site policy. Change user account names and UID or delete accounts, so each account has a unique name and UID.

Identifiers

Group ID
V-216190
Group title
SRG-OS-000121
Rule ID
SV-216190r958504_rule
Check ID
C-17428r372952_chk
Fix ID
F-17426r372953_fix