Hello. I'm a distro maintainer and was wondering about the efficacy of
entropy daemons like haveged and jitterentropyd in qemu-kvm. One of the
authors of haveged [0] pointed out if the hardware cycles counter is
emulated and deterministic, and thus predictible. He therefore does not
recommend using
Michael S. Tsirkin:
> On Fri, Jun 01, 2018 at 01:15:44PM +0000, procmem wrote:
>>
>>
>> Stefan Hajnoczi:
>>> On Mon, May 21, 2018 at 11:24:43PM +, procmem wrote:
>>>> Hi I'm a privacy distro maintainer investigating the implications of the
&
Dr. David Alan Gilbert:
> Isn't the idea to misuse CAT to detect something about access patterns;
> so it's not about it actually being related?
AFAICT, CAT is directly responsible since the way it interacts with the
cache allows it to introduce predictable bit flips that can wreak all
kinds of
Stefan Hajnoczi:
> On Mon, May 21, 2018 at 11:24:43PM +0000, procmem wrote:
>> Hi I'm a privacy distro maintainer investigating the implications of the
>> newly published nethammer attack [0] on KVM guests particularly the
>> virtio-net drivers. The summary of the pape
Hi I'm a privacy distro maintainer investigating the implications of the
newly published nethammer attack [0] on KVM guests particularly the
virtio-net drivers. The summary of the paper is that rowhammer can be
remotely triggered by feeding susceptible* network driver crafted
traffic. This attack