Re: [Qemu-devel] [PATCH v3] ppc: add host-serial and host-model machine attributes

["Daniel P. Berrangé" <berrange@redhat.com>]

On Mon, Feb 18, 2019 at 03:42:18PM +0530, P J P wrote:
> From: Prasad J Pandit <pjp@fedoraproject.org>
> 
> On ppc hosts, hypervisor shares following system attributes
> 
>   - /proc/device-tree/system-id
>   - /proc/device-tree/model
> 
> with a guest. This could lead to information leakage and misuse.[*]
> Add machine attributes to control such system information exposure
> to a guest.
> 
> [*] https://wiki.openstack.org/wiki/OSSN/OSSN-0028
> 
> Reported-by: Daniel P. Berrangé <berrange@redhat.com>
> Fix-suggested-by: Daniel P. Berrangé <berrange@redhat.com>
> Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
> ---
>  hw/ppc/spapr.c         | 79 ++++++++++++++++++++++++++++++++++++++----
>  include/hw/ppc/spapr.h |  2 ++
>  2 files changed, 75 insertions(+), 6 deletions(-)
> 
> Update v3: move host-serial,host-model options to ppc sPAPR machine
>   -> https://lists.gnu.org/archive/html/qemu-devel/2019-02/msg03182.html

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>



Regards,
Daniel
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