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Re: [Qemu-devel] [PATCH] scsi: pvscsi: check command descriptor ring buf
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From: |
Shmulik Ladkani |
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Subject: |
Re: [Qemu-devel] [PATCH] scsi: pvscsi: check command descriptor ring buffer size |
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Date: |
Mon, 23 May 2016 14:16:04 +0300 |
Hi,
On Mon, 23 May 2016 16:18:05 +0530, address@hidden 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>
Reviewed-by: Shmulik Ladkani <address@hidden>