RHEL 9 must remove all software components after updated versions have been installed.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-257824 | RHEL-09-214035 | SV-257824r1044886_rule | Low |
| 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 |
| Red Hat Enterprise Linux 9 Security Technical Implementation Guide | 2024-12-04 |
Details
| Check Text (C-61565r1044884_chk) |
| 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. |
| Fix Text (F-61489r1044885_fix) |
| 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 |