CVE request: Qemu: usb: ehci: memory leakage in ehci_init_transfer

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

  Hello,

Quick Emulator(Qemu) built with the USB EHCI Emulation support is vulnerable 
to a memory leakage issue. It could occur while processing packet data in 
'ehci_init_transfer'.

A guest user/process could use this issue to leak host memory, resulting in 
DoS for a host.

Upstream patch:
---------------
  -> http://git.qemu.org/?p=qemu.git;a=commitdiff;h=791f97758e223de3290592d169f

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