STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 26 Mar 2026:

TOSS 5 duplicate User IDs (UIDs) must not exist for interactive users.

DISA Rule

SV-282489r1200447_rule

Vulnerability Number

V-282489

Group Title

SRG-OS-000104-GPOS-00051

Rule Version

TOSS-05-000295

Severity

CAT II

CCI(s)

• CCI-000764 - Uniquely identify and authenticate organizational users and associate that unique identification with processes acting on behalf of those users.
• CCI-000804 - Uniquely identify and authenticate non-organizational users or processes acting on behalf of non-organizational users.

Weight

10

Fix Recommendation

Edit the file "/etc/passwd" and provide each interactive user account that has a duplicate UID with a unique UID.

Check Contents

Verify TOSS 5 contains no duplicate UIDs for interactive users using the following command:

$ sudo awk -F ":" 'list[$3]++{print $1, $3}' /etc/passwd

If output is produced and the accounts listed are interactive user accounts, this is a finding.

Vulnerability Number

V-282489

Documentable

False

Rule Version

TOSS-05-000295

Severity Override Guidance

Verify TOSS 5 contains no duplicate UIDs for interactive users using the following command:

$ sudo awk -F ":" 'list[$3]++{print $1, $3}' /etc/passwd

If output is produced and the accounts listed are interactive user accounts, this is a finding.

Check Content Reference

M

Target Key

5738