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Date: Fri, 21 Jul 2017 16:43:30 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
Subject: CVE-2017-7539 Qemu: qemu-nbd crashes due to undefined I/O
 coroutine

   Hello,

Quick Emulator(Qemu) built with the Network Block Device(NBD) Server support 
is vulnerable to a crash via assertion failure. It could occur if a client 
sent undue data during initial connection negotiation.

A remote user/process could use this flaw to crash the qemu-nbd server 
resulting in DoS.

Upstream patch:
---------------
   -> http://git.qemu.org/?p=qemu.git;a=commitdiff;h=2b0bbc4f8809c972bad134bc1a2570dbb01dea0b

Introduced by:
--------------
   -> http://git.qemu.org/?p=qemu.git;a=commitdiff;h=ff82911cd3f69f028f2537825c9720ff78bc3f19

Reference:
----------
   -> https://bugzilla.redhat.com/show_bug.cgi?id=1473622

'CVE-2017-7539' assigned by Red Hat 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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