Re: [Test-Announce] Call for testing: updates to address today's CPU/kernel vulnerability

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On Wed, Jan 3, 2018 at 5:48 PM, Adam Williamson <adamwill@xxxxxxxxxxxxxxxxx> wrote:

>
> Again, from my reading on the web this only affects Intel CPUs of the
> last decade.

This is certainly not correct. Both the Google researchers and Red
Hat's security team have stated that many other CPUs and CPU families
are affected. ARM has already released a statement acknowledging that
several of their CPUs, including ones very widely used in smartphones
etc., are affected.

The initial reporting that only Intel CPUs were affected was entirely
wrong.


My understanding from reading the associated statement from AMD here:
http://www.tomshardware.com/news/meltdown-spectre-exploits-intel-amd-arm-nvidia,36219.html

is that AMD chips are not affected.  Additionally, there is a kernel patch here:
https://lkml.org/lkml/2017/12/27/2
which specifically bypasses the fix for AMD processors.

I'm assuming that Fedora and Redhat both are bypassing this for AMD, correct?

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