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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-248906r780284_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 2022-12-06

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