OL 8 must not have the "tuned" package installed if not required for operational support.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-248906	OL08-00-040390	SV-248906r991589_rule		Medium

Description

"Tuned" is a daemon that uses "udev" to monitor connected devices and statically and dynamically tunes system settings according to a selected profile. Disabling the "tuned" package protects the system against exploitation of any flaws in its implementation.

STIG	Date
Oracle Linux 8 Security Technical Implementation Guide	2024-12-03

Details

Check Text (C-52340r780282_chk)

Determine if the "tuned" package is installed with the following command:

$ sudo yum list installed tuned

If the "tuned" package is installed, this is a finding.

Fix Text (F-52294r780283_fix)

Configure OL 8 to disable non-essential capabilities by removing the "tuned" package from the system with the following command:

$ sudo yum remove tuned