Intel is fixing a vulnerability that unauthorized people with physical access can exploit to install malicious firmware on the chip to defeat a variety of measures, including protections provided by Bitlocker, trusted platform modules, anti-copying restrictions, and others. The vulnerability—present in Pentium, Celeron, and Atom CPUs on the Apollo Lake, Gemini Lake, and Gemini Lake Refresh platforms—allows skilled hackers with possession of an affected chip to run it in debug and testing modes used by firmware developers.

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