The SUSE operating system must not allow unattended or automatic logon via the graphical user interface (GUI).
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-235031 | SLES-15-040430 | SV-235031r991591_rule | CCI-000366 | high |
| Description | ||||
| Failure to restrict system access to authenticated users negatively impacts SUSE operating system security. | ||||
| STIG | Date | |||
| SUSE Linux Enterprise Server 15 Security Technical Implementation Guide | 2025-05-14 | |||
Details
Check Text (C-235031r991591_chk)
Note: If a graphical user interface is not installed, this requirement is Not Applicable.
Verify the SUSE operating system does not allow unattended or automatic logon via the GUI.
Check that unattended or automatic login is disabled with the following commands:
> grep -i ^DISPLAYMANAGER_AUTOLOGIN /etc/sysconfig/displaymanager
DISPLAYMANAGER_AUTOLOGIN=""
> grep -i ^DISPLAYMANAGER_PASSWORD_LESS_LOGIN /etc/sysconfig/displaymanager
DISPLAYMANAGER_PASSWORD_LESS_LOGIN="no"
If the "DISPLAYMANAGER_AUTOLOGIN" parameter includes a username or the
"DISPLAYMANAGER_PASSWORD_LESS_LOGIN"
If parameter is not set to "no", this is a finding.
Fix Text (F-38182r619363_fix)
Note: If a graphical user interface is not installed, this requirement is Not Applicable.
Configure the SUSE operating system GUI to not allow unattended or automatic logon to the system.
Add or edit the following lines in the "/etc/sysconfig/displaymanager"
configuration file:
DISPLAYMANAGER_AUTOLOGIN=""
DISPLAYMANAGER_PASSWORD_LESS_LOGIN="no"