Intel CPU vulnerability known as “Downfall” can reduce performance by 50%

Intel CPU vulnerability known as “Downfall” can reduce performance by 50%

Downfall (CVE-2022-40982), a security flaw recently disclosed by Intel, affects several generations of Intel processors. The weakness is related to Intel’s memory optimization feature and takes advantage of the Gather instruction, which speeds up data retrieval from dispersed memory locations. By accident making internal hardware registers visible, it gives malicious...

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