CVE Request Qemu: scsi: megasas: out-of-bounds write while setting controller properties

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

  Hello,

Quick Emulator(Qemu) built with the MegaRAID SAS 8708EM2 Host Bus Adapter 
emulation support is vulnerable to an out-of-bounds write access issue. It 
could occur while processing MegaRAID Firmware Interface(MFI) command to set 
controller properties in 'megasas_dcmd_set_properties'.

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

Upstream patch:
---------------
  -> https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg04340.html

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

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