Mirimir <[email protected]> wrote: > On 09/02/2016 12:21 AM, Riad S. Wahby wrote: > > As an aside: note that the attack the Xiao paper describes only works > > against Xen guests that *don't* use hardware-assisted page tables > > (EPT for Intel, NPT for AMD). If you're using hardware-assisted > > virtualization (e.g., most Amazon "HVM" instances), this particular > > attack won't work; others might, of course. > > It also won't work if VMs don't share RAM, right?
RAM sharing is necessary for the Razavi et al. attack. The Xen attack is from Xiao et al. -=rsw
