Wednesday, February 28th 2018

Intel Finally Ready With Security Microcode Updates for Broadwell, Haswell

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Via updated documents on its Microcode Revision guide, Intel has revealed that they have finally developed and started deploying microcode security updates for their Broadwell and Haswell-based microprocessors. The microcode update comes after a flurry of nearly platform-specific updates that aimed to mitigate known vulnerabilities in Intel's CPUs to the exploits known as Spectre and Meltdown.

While that's good news, Intel's patching odyssey still isn't over, by any means. According to Intel's documentation, the Spectre fixes for Sandy Bridge and Ivy Bridge are still in beta and are being tested by hardware partners, so that's two other architectures that still remain vulnerable. Of course, this discussion of who's vulnerable and isn't really can't be reduced to which architectures Intel has released its updates to. Users have to remember that the trickle-down process from Intel's patch validation and distribution through manufacturers to end users' systems is a morose one, and is also partially in the hands of sometimes not too tech-savy users. Time will tell if these flaws will have any major impact in some users or businesses.
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