YUM must remove all software components after updated versions have been installed on TOSS.
An XCCDF Rule
Description
Previous versions of software components that are not removed from the information system after updates have been installed may be exploited by adversaries. Some information technology products may remove older versions of software automatically from the information system.
- ID
- SV-253094r958936_rule
- Version
- TOSS-04-040500
- Severity
- Low
- References
- Updated
Remediation Templates
A Manual Procedure
Configure the operating system to remove all software components after updated versions have been installed.
Set the "clean_requirements_on_remove" option to "True" in the "/etc/dnf/dnf.conf" file:
clean_requirements_on_remove=True