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Re: [Qemu-ppc] [PATCH v4] ppc: add host-serial and host-model machine at
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From: |
Daniel P . Berrangé |
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Subject: |
Re: [Qemu-ppc] [PATCH v4] ppc: add host-serial and host-model machine attributes |
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Date: |
Mon, 18 Feb 2019 18:29:56 +0000 |
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User-agent: |
Mutt/1.10.1 (2018-07-13) |
On Mon, Feb 18, 2019 at 11:43:49PM +0530, P J P wrote:
> From: Prasad J Pandit <address@hidden>
>
> 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 <address@hidden>
> Fix-suggested-by: Daniel P. Berrangé <address@hidden>
> Signed-off-by: Prasad J Pandit <address@hidden>
> ---
> hw/ppc/spapr.c | 76 ++++++++++++++++++++++++++++++++++++++----
> include/hw/ppc/spapr.h | 2 ++
> 2 files changed, 72 insertions(+), 6 deletions(-)
Reviewed-by: Daniel P. Berrangé <address@hidden>
Regards,
Daniel
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