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 must remove all software components after updated versions have been installed.

DISA Rule

SV-282611r1200813_rule

Vulnerability Number

V-282611

Group Title

SRG-OS-000437-GPOS-00194

Rule Version

TOSS-05-000120

Severity

CAT III

CCI(s)

• CCI-002617 - Remove previous versions of organization-defined software components after updated versions have been installed.

Weight

10

Fix Recommendation

Configure TOSS 5 to remove all software components after updated versions have been installed.

Edit the file /etc/dnf/dnf.conf by adding or editing the following line:

clean_requirements_on_remove=1

Check Contents

Verify TOSS 5 removes all software components after updated versions have been installed using the following command:

$ grep clean /etc/dnf/dnf.conf

clean_requirements_on_remove=1

If "clean_requirements_on_remove" is not set to "1", this is a finding.

Vulnerability Number

V-282611

Documentable

False

Rule Version

TOSS-05-000120

Severity Override Guidance

Verify TOSS 5 removes all software components after updated versions have been installed using the following command:

$ grep clean /etc/dnf/dnf.conf

clean_requirements_on_remove=1

If "clean_requirements_on_remove" is not set to "1", this is a finding.

Check Content Reference

M

Target Key

5738