On Thu, 14 May 2020 12:33:59 -0700
stan via users wrote:
These are meant to
be silos, but this attack would allow someone on one virtual machine to
capture data of another virtual machine running on the same core.
Reminds me of the very early days of KVM virtualization where I
discovered that the debug registers weren't being properly
context switched and you could set a watch on a memory address in a program
running in one VM and get programs in other VMs to be
interrupted as though they hit the watch (they fixed it :-).