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← Back to Cloud Linux AlmaLinux OS 9 Security Technical Implementation Guide

V-269453

CAT II (Medium)

AlmaLinux OS 9 must remove all software components after updated versions have been installed.

Rule ID

SV-269453r1050336_rule

STIG

Cloud Linux AlmaLinux OS 9 Security Technical Implementation Guide

Version

V1R6

CCIs

CCI-002617

Discussion

Previous versions of software components that are not removed from the information system after updates have been installed may be exploited by some adversaries.

Check Content

Verify AlmaLinux OS 9 removes all software components after updated versions have been installed with the following command:

$ dnf config-manager --dump | grep clean

clean_requirements_on_remove = 1

If "clean_requirements_on_remove" is not set to "1", this is a finding.

Fix Text

Configure AlmaLinux OS 9 to remove all software components after updated versions have been installed.

Run the following command to change the configuration of DNF:

$ dnf config-manager --setopt clean_requirements_on_remove=1 --save