STIGQter: STIG Summary: Red Hat Enterprise Linux 9 Security Technical Implementation Guide Version: 2 Release: 9 Benchmark Date: 01 Jul 2026:

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

DISA Rule

SV-258030r1045112_rule

Vulnerability Number

V-258030

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

RHEL-09-271100

Severity

CAT II

CCI(s)

CCI-000366 - Implement the security configuration settings.

Weight

Fix Recommendation

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

Check Contents

Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.

Verify RHEL 9 prevents a user from overriding the disable-restart-buttons setting for graphical user interfaces.

$ gsettings writable org.gnome.login-screen disable-restart-buttons

false

If "disable-restart-buttons" is writable and the result is "true", this is a finding.

Vulnerability Number

V-258030

Documentable

False

Rule Version

RHEL-09-271100

Severity Override Guidance

Check Content Reference

Target Key

5551