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RHEL-10-200000 RHEL 10 must remove all software components after updated versions have been installed.

DISA STIG library V1R3
All changes in this version
first version loaded CAT II

Maps to SI-2(6) via CCI-002617

Title

RHEL 10 must remove all software components after updated versions have been installed.

Control

Verify RHEL 10 removes all software components after updated versions have been installed with the following command: $ sudo grep -i clean_requirements_on_remove /etc/dnf/dnf.conf clean_requirements_on_remove=True If "clean_requirements_on_remove" is not set to either "1", "true", or "yes" (keywords containing letters are case insensitive), this is a finding.

Discussion

Previous versions of software components that are not removed from the information system after updates have been installed may be exploited by some adversaries.

Related controls

CCI-002617

Fix

Configure RHEL 10 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 Note: Any of the following are acceptable: "1", "true", or "yes" (keywords containing letters are case insensitive).