AMD Issues Alert On Major Vulnerability Found in Multiple CPUs

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AMD Issues Alert On Major Vulnerability Found in Multiple CPUs - Benzinga

Quick Summary:

The flaw allows attackers with Kernel-level (Ring 0) privileges to escalate to Ring -2 privileges, high-level access associated with System Management Mode (SMM), where they can install virtually undetectable malware, Bleeping Computer reports.

IOActive researchers Enrique Nissim and Krzysztof Okupski discovered that the flaw allows attackers to alter SMM settings even when security measures like SMM Lock are enabled.

Advanced Micro Devices Inc (NASDAQ:AMD) has warned about a critical vulnerability named “SinkClose,” which affects multiple generations of its EPYC, Ryzen, and Threadripper processors.What Happened?