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 /var/log/messages file must be group-owned by root.

DISA Rule

SV-282521r1200543_rule

Vulnerability Number

V-282521

Group Title

SRG-OS-000206-GPOS-00084

Rule Version

TOSS-05-000174

Severity

CAT II

CCI(s)

• CCI-001314 - Reveal error messages only to organization-defined personnel or roles.

Weight

10

Fix Recommendation

Change the group owner of the "/var/log/messages" file to "root" using the following command:

$ sudo chgrp root /var/log/messages

Check Contents

Verify the "/var/log/messages" file is group-owned by root using the following command:

$ ls -la /var/log/messages

rw-------. 1 root root 564223 July 11 11:34 /var/log/messages

If "/var/log/messages" does not have a group owner of "root" and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.

Vulnerability Number

V-282521

Documentable

False

Rule Version

TOSS-05-000174

Severity Override Guidance

Verify the "/var/log/messages" file is group-owned by root using the following command:

$ ls -la /var/log/messages

rw-------. 1 root root 564223 July 11 11:34 /var/log/messages

If "/var/log/messages" does not have a group owner of "root" and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.

Check Content Reference

M

Target Key

5738