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Re: [Qemu-devel] [PATCH] scsi: pvscsi: check command descriptor ring buf

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH] scsi: pvscsi: check command descriptor ring buffer size
Date: Mon, 23 May 2016 15:45:33 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.0

On 23/05/2016 12:48, P J P wrote:
> From: Prasad J Pandit <address@hidden>
> 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 <address@hidden>
> Signed-off-by: Prasad J Pandit <address@hidden>
> ---
>  hw/scsi/vmw_pvscsi.c | 24 ++++++++++++++++++++----
>  1 file changed, 20 insertions(+), 4 deletions(-)

Is there a CVE number?



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