From: "Daniel P. Berrangé" <berrange@redhat.com>
To: P J P <ppandit@redhat.com>
Cc: David Gibson <david@gibson.dropbear.id.au>,
QEMU Developers <qemu-devel@nongnu.org>,
qemu-ppc@nongnu.org, Prasad J Pandit <pjp@fedoraproject.org>
Subject: Re: [Qemu-devel] [PATCH v3] ppc: add host-serial and host-model machine attributes
Date: Mon, 18 Feb 2019 10:31:55 +0000 [thread overview]
Message-ID: <20190218103155.GD32287@redhat.com> (raw)
In-Reply-To: <20190218101218.4177-1-ppandit@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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next prev parent reply other threads:[~2019-02-18 10:40 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-18 10:12 [Qemu-devel] [PATCH v3] ppc: add host-serial and host-model machine attributes P J P
2019-02-18 10:31 ` Daniel P. Berrangé [this message]
2019-02-18 11:38 ` [Qemu-devel] [Qemu-ppc] " Greg Kurz
2019-02-18 11:52 ` Daniel P. Berrangé
2019-02-18 12:57 ` Greg Kurz
2019-02-18 18:20 ` P J P
2019-02-19 1:21 ` David Gibson
2019-02-19 9:31 ` Daniel P. Berrangé
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