The graphical display manager must not be installed on OL 8 unless approved.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-248898 | OL08-00-040320 | SV-248898r991589_rule | CCI-000366 | medium |
| Description | ||||
| Internet services that are not required for system or application processes must not be active to decrease the attack surface of the system. X Windows has a long history of security vulnerabilities and will not be used unless approved and documented. | ||||
| STIG | Date | |||
| Oracle Linux 8 Security Technical Implementation Guide | 2025-05-13 | |||
Details
Check Text (C-248898r991589_chk)
Verify that if the system has a display server installed, it is authorized.
Check for the display server package with the following example command:
$ sudo rpm -qa | grep xorg | grep server
Ask the System Administrator if use of the display server is an operational requirement.
If the use of a display server on the system is not documented with the Information System Security Officer (ISSO), this is a finding.
Fix Text (F-52286r780259_fix)
Document the requirement for a display server with the ISSO or remove the related packages with the following example command:
$ sudo rpm -e xorg-x11-server-common