RHEL 9 must disable the ability of a user to restart the system from the login screen.
An XCCDF Rule
Description
<VulnDiscussion>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.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-258029r1014857_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Configure RHEL 9 to disable a user's ability to restart the system.
Add or update the [org/gnome/settings-daemon/] section of the /etc/dconf/db/local.d/00-security-settings database file and add or update the following lines:
[org/gnome/login-screen]
disable-restart-buttons=true