oss-security - CVE-2017-9373 Qemu: ide: ahci host memory leakage during hotunplug

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Date: Mon, 5 Jun 2017 15:05:01 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: Li Qiang <liqiang6-s@....cn>
Subject: CVE-2017-9373 Qemu: ide: ahci host memory leakage during hotunplug

    Hello,

Quick emulator built with the IDE AHCI Emulation support is vulnerable to a 
host memory leakage issue. It could occur while hot-unplugging the AHCI 
device.

A privileged user inside guest could use this flaw to leak host memory 
resulting in DoS.

Upstream patch:
---------------
   -> http://git.qemu.org/?p=qemu.git;a=commitdiff;h=d68f0f778e7f4fbd674627274267f269e40f0b04

Reference:
----------
   -> https://bugzilla.redhat.com/show_bug.cgi?id=1458270

This issue was reported by Li Qiang of Qihoo 360 Gear Team.

Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F

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