CVE Request: Linux kernel: panic while pushing pending data out of an IPv6 socket with UDP_CORK enabled.

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

  Hi,

Linux kernel built with IPv6 networking is vulnerable to a crash while sending 
data as a single datagram over IPv6 socket when UDP_CORK option set. UDP_CORK 
enables accumulating data and sending it as a single datagram.

Upstream fix:
-------------
 -> https://git.kernel.org/linus/8822b64a0fa64a5dd1dfcf837c5b0be83f8c05d1

Reference:
----------
 -> https://bugzilla.redhat.com/show_bug.cgi?id=987627

Acknowledgement:
-----------------
Red Hat would like to thank Hannes Frederic Sowa for reporting this issue.


Thank you!
--
Prasad J Pandit / Red Hat Security Response Team
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