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Date: Tue, 20 Sep 2016 00:11:37 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: liqiang6-s@....cn
Subject: CVE Request Qemu: usb: xhci memory leakage during device unplug

   Hello,

Quick Emulator(Qemu) built with the USB xHCI controller emulation support is 
vulnerable to a memory leakage issue. It could occur while doing a USB device 
unplug operation; Doing so repeatedly would result in leaking host memory, 
affecting other services on the host.

A privileged user inside guest could use this flaw to cause a DoS on the host 
and/or potentially crash the Qemu process instance on the host.

Upstream patch:
---------------
   -> https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg02773.html

This issue was reported by Mr Li Qiang of 360.cn Inc.

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

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