STIGQter: STIG Summary: Red Hat Enterprise Linux 9 Security Technical Implementation Guide Version: 2 Release: 9 Benchmark Date: 01 Jul 2026:

RHEL 9 must remove all software components after updated versions have been installed.

DISA Rule

SV-257824r1044886_rule

Vulnerability Number

V-257824

Group Title

SRG-OS-000437-GPOS-00194

Rule Version

RHEL-09-214035

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 RHEL 9 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=True

Check Contents

Verify RHEL 9 removes all software components after updated versions have been installed with the following command:

$ grep -i clean_requirements_on_remove /etc/dnf/dnf.conf

clean_requirements_on_remove=True

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

Vulnerability Number

V-257824

Documentable

False

Rule Version

RHEL-09-214035

Severity Override Guidance

Verify RHEL 9 removes all software components after updated versions have been installed with the following command:

$ grep -i clean_requirements_on_remove /etc/dnf/dnf.conf

clean_requirements_on_remove=True

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

Check Content Reference

M

Target Key

5551