AlmaLinux OS 9 must remove all software components after updated versions have been installed.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-269453 | ALMA-09-045120 | SV-269453r1050336_rule | Medium |
| 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. |
| STIG | Date |
| CloudLinux AlmaLinux OS 9 Security Technical Implementation Guide | 2025-05-22 |
Details
| Check Text (C-73484r1049734_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 |