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-257824r925459_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 | 2023-12-01 |
Details
| Check Text ( C-61565r925457_chk ) |
|---|
| Verify RHEL 9 removes all software components after updated versions have been installed with the following command: $ grep clean /etc/dnf/dnf.conf clean_requirements_on_remove=1 If "clean_requirements_on_remove" is not set to "1", this is a finding. |
| Fix Text (F-61489r925458_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=1 |