CVE-2017-14167 Qemu: i386: multiboot OOB access while loading guest kernel image

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

  Hello,

Quick Emulator(Qemu) built with the PC System Emulator with multiboot feature 
support is vulnerable to an OOB r/w memory access issue. It could occur due to 
an integer overflow while loading a kernel image during a guest boot.

A user/process could use this flaw to potentially achieve arbitrary code 
execution on a host.

Upstream patch:
---------------
  -> https://lists.nongnu.org/archive/html/qemu-devel/2017-09/msg01483.html

Reference:
----------
  -> https://bugzilla.redhat.com/show_bug.cgi?id=1489375

This issue was reported by Thomas Garnier of Google.com.

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