From: Paolo Bonzini <pbonzini@redhat.com>
To: P J P <ppandit@redhat.com>, Qemu Developers <qemu-devel@nongnu.org>
Cc: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com>,
Dmitry Fleytman <dmitry@daynix.com>, Li Qiang <liqiang6-s@360.cn>,
Idan Brown <idan.brown@ravellosystems.com>,
Prasad J Pandit <pjp@fedoraproject.org>
Subject: Re: [Qemu-devel] [PATCH] scsi: pvscsi: check command descriptor ring buffer size
Date: Mon, 23 May 2016 15:45:33 +0200 [thread overview]
Message-ID: <be334a22-2f27-ab42-1d26-93e390fd418d@redhat.com> (raw)
In-Reply-To: <1464000485-27041-1-git-send-email-ppandit@redhat.com>
On 23/05/2016 12:48, P J P wrote:
> From: Prasad J Pandit <pjp@fedoraproject.org>
>
> Vmware Paravirtual SCSI emulation uses command descriptors to
> process SCSI commands. These descriptors come with their ring
> buffers. A guest could set the ring buffer size to an arbitrary
> value leading to OOB access issue. Add check to avoid it.
>
> Reported-by: Li Qiang <liqiang6-s@360.cn>
> Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
> ---
> hw/scsi/vmw_pvscsi.c | 24 ++++++++++++++++++++----
> 1 file changed, 20 insertions(+), 4 deletions(-)
Is there a CVE number?
Thanks,
Paolo
next prev parent reply other threads:[~2016-05-23 13:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-23 10:48 [Qemu-devel] [PATCH] scsi: pvscsi: check command descriptor ring buffer size P J P
2016-05-23 11:16 ` Shmulik Ladkani
2016-05-23 11:39 ` Dmitry Fleytman
2016-05-23 13:45 ` Paolo Bonzini [this message]
2016-05-24 5:56 ` P J P
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