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Date: Tue, 16 Feb 2016 22:14:14 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: Qinghao Tang <luodalongde@...il.com>
Subject: CVE request Qemu: usb: null pointer dereference in remote NDIS
 control message handling

   Hello,

Qemu emulator built with the USB Net device emulation support is vulnerable to 
a NULL pointer dereference issue. It could occur while processing remote NDIS 
control message packets, when the USB configuration descriptor object is null.

A privileged user inside guest could use this flaw to crash the Qemu process 
instance resulting in DoS.

Upstream patch:
---------------
   -> https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg02553.html

Reference:
----------
   -> https://bugzilla.redhat.com/show_bug.cgi?id=1302299

This issue was discovered by Qinghao Tang of 360.cn Marvel 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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