AMD is deploying a patch for the second Spectre CPU vulnerability

REUTERS  Pichi ChuangAMD Opteron 6000 series processor is seen on a motherboard during a product launch in Taipei

Nvidia's revised security bulletin also says "We believe our GPU hardware is immune to the reported security issue". Google has detailed its process for patching its own cloud services like Gmail and Google Drive against Spectre and Meltdown, and it says that it managed to protect against those vulnerabilities without any hit to performance. For one of the variants of Spectre, which Google says proved to be a lot more problematic, its engineers came up with a technique called "Reptoline", which modifies programs to ensure that execution can not be influenced by an attacker.

Not only did we see considerable slowdowns for many applications, we also noticed inconsistent performance, since the speed of one application could be impacted by the behavior of other applications running on the same core. However, Intel's statement acknowledges that user roll-outs haven't been as smooth as it might have hoped. That it was able to find solutions for them relatively quickly demonstrates just how powerful the company is.

Meanwhile, AMD said it expects it expects an issue that resulted in pausing the release of some updates protecting against the first variant of the Spectre issue "to be corrected shortly".

"Specifically, these systems are running Intel Broadwell and Haswell CPUs for both client and data centre".

The company explained that it's investigating the incident and could release a new update within days.

Intel is now looking into reports that some of its customers are experiencing reboots in systems that update to the latest firmware for Meltdown/Spectre mitigation. However, Intel still recommends end-users should apply the updates for both OS and hardware.

Intel has arguably been worst affected of all the major chip designers, with CPUs going back to 1995 affected. In this instance, the mitigation is possible via a patch for your current operating system.

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