Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide

The Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide (V1 R2) has 391 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V1 · R2

CurrentPublished Wed Sep 30 2026

TOSS 5 must be a vendor-supported release.

Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide

Assessment Title

Rule Text

TOSS 5 must be a vendor-supported release.

Description

Discussion Text

An operating system release is considered supported if the vendor continues to provide security patches for the product. With an unsupported release, it will not be possible to resolve security issues discovered in the system software.

Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000830-GPOS-00300

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-282623

Rule

SV-282623r1201600_rule

Severity

high

Rule Version

TOSS-05-000084

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Verify the version of TOSS 5 is vendor supported using the following command:

$ cat /etc/toss-release 

toss-release-5.1-1

If the installed version of TOSS 5 is not supported, this is a finding.

Implementation Procedure

Fix Text

Upgrade to a supported version of TOSS 5.

STIG check 249 of 391 in the Tri-Lab Operating System Stack (TOSS) 5 STIG checklist

← Previous · V-282622TOSS 5 must disable the kernel.core_pattern.Next · V-282624 →TOSS 5 vendor packaged system security patches and updates must be installed and up to date.