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Date: Thu, 7 Sep 2017 15:43:37 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: Thomas Garnier <thgarnie@...gle.com>
Subject: CVE-2017-14167 Qemu: i386: multiboot OOB access while loading guest
 kernel image

   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
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F

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