Re: [libvirt-users] Virtio-net drivers immune to Nethammer?
Daniel P. Berrangé: > On Sat, May 19, 2018 at 12:42:14AM +, 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 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? > > This question is probably better directed at either linux net maintainers > list, or the qemu developers list, since that's where the virtio-net > experts will be. > > Regards, > Daniel > OK I will thanks. ___ libvirt-users mailing list libvirt-users@redhat.com https://www.redhat.com/mailman/listinfo/libvirt-users
Re: [libvirt-users] Virtio-net drivers immune to Nethammer?
On Sat, May 19, 2018 at 12:42:14AM +, 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 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? This question is probably better directed at either linux net maintainers list, or the qemu developers list, since that's where the virtio-net experts will be. Regards, Daniel -- |: https://berrange.com -o-https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o-https://fstop138.berrange.com :| |: https://entangle-photo.org-o-https://www.instagram.com/dberrange :| ___ libvirt-users mailing list libvirt-users@redhat.com https://www.redhat.com/mailman/listinfo/libvirt-users
