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

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-269453ALMA-09-045120SV-269453r1050336_ruleCCI-002617medium
Description
Previous versions of software components that are not removed from the information system after updates have been installed may be exploited by some adversaries.
STIGDate
Cloud Linux AlmaLinux OS 9 Security Technical Implementation Guide2026-02-27

Details

Check Text (C-269453r1050336_chk)

Verify AlmaLinux OS 9 removes all software components after updated versions have been installed with the following command: $ dnf config-manager --dump | grep clean clean_requirements_on_remove = 1 If "clean_requirements_on_remove" is not set to "1", this is a finding.

Fix Text (F-73385r1049735_fix)

Configure AlmaLinux OS 9 to remove all software components after updated versions have been installed. Run the following command to change the configuration of DNF: $ dnf config-manager --setopt clean_requirements_on_remove=1 --save