Re: [PATCH 0/8] xen: harden frontends against malicious backends

2021-05-21 Thread Marek Marczykowski-Górecki
On Thu, May 13, 2021 at 12:02:54PM +0200, Juergen Gross wrote: > Xen backends of para-virtualized devices can live in dom0 kernel, dom0 > user land, or in a driver domain. This means that a backend might > reside in a less trusted environment than the Xen core components, so > a backend should not

[PATCH 0/8] xen: harden frontends against malicious backends

2021-05-13 Thread Juergen Gross
Xen backends of para-virtualized devices can live in dom0 kernel, dom0 user land, or in a driver domain. This means that a backend might reside in a less trusted environment than the Xen core components, so a backend should not be able to do harm to a Xen guest (it can still mess up I/O data, but