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Date: Fri, 10 Aug 2018 09:29:05 +1000 (EST)
From: Dave Horsfall <>
Subject: Re: Linux TCP implementation vulnerable to Denial of
 Service (CVE 2018-5390)

On Thu, 9 Aug 2018, Stiepan wrote:

> Could you please provide some more details on the issue? About the same 
> period, our secure e-mail provider suffered an unprecedented DDoS with 
> some e-mail messages never reaching us.

Would this be the well-known TCP re-assembly bug?  Send lots of small 
packets (say out of order), and the CPU spends most of its time in glueing 
them back together.

-- Dave

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