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Date: Sat, 15 Oct 2016 12:47:23 -0400 (EDT)
From: cve-assign@...re.org
To: ppandit@...hat.com
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com, psirt@...wei.com
Subject: Re: CVE request Qemu: char: divide by zero error in serial_update_parameters

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> Quick Emulator(Qemu) built with the 16550A UART emulation support is
> vulnerable to a divide by zero issue. It could occur while updating serial
> device parameters in 'serial_update_parameters'.
> 
> A privileged guest user could use this flaw to crash the Qemu process instance
> on the host, resulting in DoS.
> 
> https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02461.html
> https://bugzilla.redhat.com/show_bug.cgi?id=1384909

Use CVE-2016-8669.

This is not yet available at
http://git.qemu.org/?p=qemu.git;a=history;f=hw/char/serial.c but
that may be an expected place for a later update.

- -- 
CVE Assignment Team
M/S M300, 202 Burlington Road, Bedford, MA 01730 USA
[ A PGP key is available for encrypted communications at
  http://cve.mitre.org/cve/request_id.html ]
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