[libvirt-users] Virtio-net drivers immune to Nethammer?

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 can do all kinds of nasty things such as modifying SSL certs on the victim system. * Susceptible drivers are those relying on Intel CAT, uncached memory or the clflush instruction. My question is, do virtio-net drivers do any of these things? *** [0] https://arxiv.org/abs/1805.04956