CVE request: Qemu net: vmxnet3: use after free while writing

[P J P <ppandit () redhat com>]

  Hello,

Quick Emulator(Qemu) built with the VMWARE VMXNET3 NIC device support is 
vulnerable to a use-after-free issue. It could occur while writing to the 
device once it's disabled.

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

Upstream patch:
---------------
  -> https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg01602.html

This issue was reported by 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