Friday, January 12, 2018

AMD is deploying a patch for the second Spectre CPU vulnerability

Since the second version of Spectre needs a different fix, AMD will also provide its customers and partners for Ryzen and EPYC processors with a patch for its chips starting this week. Firmware updates for its older chips will follow in the coming weeks. If you use Linux, you might get it sooner than you think, since Linux vendors have already started releasing OS patches for the second variant. You might have to wait a bit if you’re a Windows user, though, since AMD is still working out distribution timing with Microsoft.

While its statement regarding its products’ vulnerability both Spectre variants has changed, the company said its chips’ architecture will make it very difficult for attackers to exploit version 2. It also maintained that Meltdown isn’t applicable to AMD chips at all. AMD’s processors aren’t “susceptible” to Meltdown, the chipmaker wrote, “due to [the company’s] use of privilege level protections within paging architecture. Since “no mitigation is required” for variant 3, it won’t be creating a patch for the vulnerability.

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