RHEL 9 must remove all software components after updated versions have been installed.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| low | V-257824 | SRG-OS-000437-GPOS-00194 | RHEL-09-214035 | SV-257824r1044886_rule | 2025-02-27 | 2 |
| 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. |
| ℹ️ Check |
|---|
| 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 |
|---|
| 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 |