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The graphical display manager must not be the default target on RHEL 9 unless approved.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-257781 | RHEL-09-211030 | SV-257781r991589_rule | Medium |
| Description |
|---|
| Unnecessary service packages must not be installed to decrease the attack surface of the system. Graphical display managers have a long history of security vulnerabilities and must not be used, unless approved and documented. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 9 Security Technical Implementation Guide | 2024-06-04 |
Details
| Check Text ( C-61522r925328_chk ) |
|---|
| Verify that RHEL 9 is configured to boot to the command line: $ systemctl get-default multi-user.target If the system default target is not set to "multi-user.target" and the information system security officer (ISSO) lacks a documented requirement for a graphical user interface, this is a finding. |
| Fix Text (F-61446r925329_fix) |
|---|
| Document the requirement for a graphical user interface with the ISSO or set the default target to multi-user with the following command: $ sudo systemctl set-default multi-user.target |