On Tue, Jan 26, 2021 at 12:38:47PM +0100, Andrea Parri (Microsoft) wrote: > Pointers to receive-buffer packets sent by Hyper-V are used within the > guest VM. Hyper-V can send packets with erroneous values or modify > packet fields after they are processed by the guest. To defend against > these scenarios, copy (sections of) the incoming packet after validating > their length and offset fields in netvsc_filter_receive(). In this way, > the packet can no longer be modified by the host. > > Reported-by: Juan Vazquez <juv...@microsoft.com> > Signed-off-by: Andrea Parri (Microsoft) <parri.and...@gmail.com> > Cc: "David S. Miller" <da...@davemloft.net> > Cc: Jakub Kicinski <k...@kernel.org> > Cc: netdev@vger.kernel.org
Please ignore this submission, I'm sending a new version shortly... Sorry for the hassle. Andrea
