Samsung UEFI bug: Notebook bricked from Windows

Posted by bob on Feb 11, 2013 3:19 PM EDT
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Linux developer Matthew Garrett, who does a lot of research into UEFI topics, writes in a blog post that by storing a large amount of data in UEFI variables, he managed to disrupt a Samsung notebook running Windows to such a degree that it subsequently refused to start. In his post, the developer also points to some sample code of the Windows program that he executed at administrator level to disable the notebook. The developer had previously speculated that some Samsung notebooks with UEFI firmware may be rendered inoperative under Windows in the same way that they were when starting Linux under certain circumstances. The experiment to confirm this was successful.

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