Nutanix AOS must remove all software components after updated versions have been installed.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-254236	NUTX-OS-001600	SV-254236r846796_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 adversaries. Some information technology products may remove older versions of software automatically from the information system.

STIG	Date
Nutanix AOS 5.20.x OS Security Technical Implementation Guide	2022-08-24

Details

Check Text ( C-57721r846794_chk )
Confirm Nutanix AOS removes all software components after updated versions have been installed. $ sudo grep -i clean_requirements_on_remove /etc/yum.conf clean_requirements_on_remove=1 If "clean_requirements_on_remove" is not set to "1", "True", or "yes", or is not set in "/etc/yum.conf", this is a finding.

Fix Text (F-57672r846795_fix)
Configure Yum settings to remove all software components after an updated version is installed by running the following command: $ sudo salt-call state.sls security/CVM/yumCVM