Re: Linux 4.15-rc7

[vcaputo]

On Fri, Jan 12, 2018 at 11:08:58PM +0100, Arnd Bergmann wrote:
> On Fri, Jan 12, 2018 at 11:04 PM,  <vcaputo@xxxxxxxxxxx> wrote:
> > On Fri, Jan 12, 2018 at 09:11:38PM +0100, Arnd Bergmann wrote:
> >
> >> - I haven't found a definite answer on whether Netburst-based CPUs
> >>   are affected by meltdown at all. Some people claim it's affected,
> >>   others say it's not. If the code from https://github.com/IAIK/meltdown
> >>   is successful on your Celeron D, then we know it's affected, if not,
> >>   then you could decide to not care about KPTI (Spectre would still
> >>   be an issue).
> >>
> >
> > I tried that when the code was first made public, but libkdump doesn't
> > support 32-bit; it's full of 64-bit register use in the assembly bits.
> 
> Apparently 32-bit support was added on Wednesday, maybe you
> can try again with today's version.
> 

Thanks for informing me of this, I hadn't noticed.

I just tried it out, and confirmed the Celeron D is vulnerable to
meltdown.

Regards,
Vito Caputo