[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Xen 4.0.0x allows for data corruption in Dom0
On 06/03/2010 12:02, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx> wrote: > On 06/03/2010 10:12, "Joanna Rutkowska" <joanna@xxxxxxxxxxxxxxxxxxxxxx> > wrote: > >> It's really interesting how much control does the VM have over the data >> (and location) that are corrupted in Dom0 -- if it has any control, then >> it might allow for an interesting VM escape attack perhaps :) >> >> Unfortunately we don't have time to investigate this problem any further >> in our lab. > > Thanks, I'll see if I can repro with your simple setup. It's an interesting > one since presumably the domU is not doing much other waiting on its > rootdelay timeout when the corruption manifests. Sounds like the dom0 kernel > version doesn't matter at all? Tried a few times and no luck reproducing so far. I hope some other people on the list also will give it a go, since it's so easy to try it out. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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