Google researchers discover 'Reptar,’ a new CPU vulnerability

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This year, Google has seen an increase in the number of vulnerabilities impacting central processing units (CPU) across hardware systems. Two of the most notable of these vulnerabilities were disclosed in August, when Google researchers discovered Downfall ( CVE-2022-40982 ) and Zenbleed ( CVE-2023-20593 ), affecting Intel and AMD CPUs, respectively. This trend proves only to be intensifying as time goes on. Left unmitigated, these types of vulnerabilities can impact billions of personal and cloud computers. Today, we’re detailing the findings of Reptar ( CVE-2023-23583 ), a new CPU vulnerability that impacts several Intel desktop, mobile, and server CPUs. Google’s [...]