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The SUSE operating system must disable the x86 Ctrl-Alt-Delete key sequence.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-217159 | SLES-12-010610 | SV-217159r646722_rule | High |
| Description |
|---|
| A locally logged-on user who presses Ctrl-Alt-Delete, when at the console, can reboot the system. If accidentally pressed, as could happen in the case of a mixed OS environment, this can create the risk of short-term loss of availability of systems due to unintentional reboot. |
| STIG | Date |
|---|---|
| SLES 12 Security Technical Implementation Guide | 2023-12-01 |
Details
| Check Text ( C-18387r646720_chk ) |
|---|
| Verify the SUSE operating system is not configured to reboot the system when Ctrl-Alt-Delete is pressed. Check that the ctrl-alt-del.target is masked with the following command: > systemctl status ctrl-alt-del.target Loaded: masked (/dev/null; masked) Active: inactive (dead) If the ctrl-alt-del.target is not masked, this is a finding. |
| Fix Text (F-18385r646721_fix) |
|---|
| Configure the system to disable the Ctrl-Alt-Delete sequence for the command line with the following commands: > sudo systemctl disable ctrl-alt-del.target > sudo systemctl mask ctrl-alt-del.target And reload the daemon to take effect > sudo systemctl daemon-reload |