CVE Request: Qemu: scsi: pvscsi: infinite loop when processing IO requests

[P J P <ppandit () redhat com>]

  Hello,

Quick Emulator(Qemu) built with the VMWARE PVSCSI paravirtual SCSI bus 
emulation support is vulnerable to an infinite loop issue. It could occur 
while processing SCSI IO requests.

A privileged user inside guest could use this flaw to crash the Qemu process 
resulting in DoS.

Upstream patch:
---------------
  -> https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03609.html

Reference:
----------
  -> https://bugzilla.redhat.com/show_bug.cgi?id=1376731

This issue was reported by Li Qiang of 360.cn Inc.

Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
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