RHEL 9 must prevent a user from overriding the disable-restart-buttons setting for the graphical user interface.

An XCCDF Rule

Description

A user who is at the console can reboot the system at the login screen. If restart or shutdown buttons are pressed at the login screen, this can create the risk of short-term loss of availability of systems due to reboot.

ID: SV-258030r1045112_rule
Version: RHEL-09-271100
Severity: Medium
References: CCI-000366
Updated: about 2 months ago

Remediation Templates

Configure RHEL 9 to prevent a user from overriding the disable-restart-buttons setting for graphical user interfaces. 

Create a database to contain the systemwide graphical user logon settings (if it does not already exist) with the following command:

$ sudo touch /etc/dconf/db/local.d/locks/session
Add the following line to prevent nonprivileged users from modifying it:

/org/gnome/login-screen/disable-restart-buttons

Run the following command to update the database:

$ sudo dconf update

RHEL 9 must prevent a user from overriding the disable-restart-buttons setting for the graphical user interface.

Description

Remediation Templates

A Manual Procedure