CVE-2017-6209 Virglrenderer: stack buffer oveflow in parse_identifier

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

   Hello,

Virgil 3d project, used by Quick Emulator(Qemu) to implement 3D GPU support 
for the virtio GPU, is vulnerable to an OOB array access issue. It could occur 
when parsing properties in parse_identifier().

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

Upstream patch:
---------------
  -> https://cgit.freedesktop.org/virglrenderer/commit/?id=e534b51ca3c3cd25f3990589932a9ed711c59b27

Reference:
----------
  -> https://bugzilla.redhat.com/show_bug.cgi?id=1426149

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

'CVE-2017-6209' assigned via -> http://cveform.mitre.org/

Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
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