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Message-ID: <alpine.BSF.2.21.9999.1808100926020.19950@aneurin.horsfall.org>
Date: Fri, 10 Aug 2018 09:29:05 +1000 (EST)
From: Dave Horsfall <dave@...sfall.org>
To: oss-security@...ts.openwall.com
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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