Linux Security
    Linux Security
    Linux Security

    33 hardware and firmware vulnerabilities: A guide to the threats

    Date 07 Jan 2021
    718
    Posted By Brittany Day
    Orange Monitors With Lock Icon Network Security Cyber Threat 100751595 Large

    Meltdown and Spectre have raised awareness of the danger of hardware and firmware vulnerabilities. Here's a roundup of the ones that present the most significant threats.

     

    In January 2018, the entire computer industry was put on alert by two new processor vulnerabilities dubbed Meltdown and Spectre that defeated the fundamental OS security boundaries separating kernel and user space memory. The flaws stemmed from a performance feature of modern CPUs known as speculative execution and mitigating them required one of the biggest patch coordination efforts in history, involving CPU makers, device manufacturers and operating system vendors.

    Meltdown and Spectre were certainly not the first vulnerabilities to result from a hardware design decision, but their widespread impact sparked the interest of the security research community into such flaws. Since then, many researchers, both from academia and the private sector, have been studying the low-level operation of CPUs and other hardware components and have been uncovering more and more issues.

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