The SUSE operating system must remove all outdated software components after updated versions have been installed.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-217154	SLES-12-010570	SV-217154r958936_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
SLES 12 Security Technical Implementation Guide	2024-11-25

Details

Check Text (C-18382r369618_chk)

Verify the SUSE operating system removes all outdated software components after updated version have been installed by running the following command:

# grep -i upgraderemovedroppedpackages /etc/zypp/zypp.conf

solver.upgradeRemoveDroppedPackages = true

If "solver.upgradeRemoveDroppedPackages" is commented out, is set to "false", or is missing completely, this is a finding.

Fix Text (F-18380r369619_fix)

Configure the SUSE operating system to remove all outdated software components after an update by editing the following line in "/etc/zypp/zypp.conf" to match the one provided below:

solver.upgradeRemoveDroppedPackages = true