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Date: Tue, 14 Aug 2018 17:09:38 -0400
From: "David T." <>
Subject: Re: CVE-2018-5391: Linux kernel: IP fragments with
 random offsets allow a remote denial of service (FragmentSmack)

Is this the same as "SegmentSmack" that came out last week, CVE-2018-5390?
Or, what is the difference?

On Tue, Aug 14, 2018 at 16:31 Vladis Dronov <> wrote:

> Heololo,
> A flaw named FragmentSmack was found in the way the Linux kernel handled
> reassembly of fragmented IPv4 and IPv6 packets. A remote attacker could
> use this flaw to trigger time and calculation expensive fragment reassembly
> algorithms by sending specially crafted packets which could lead to a CPU
> saturation and hence a denial of service on the system.
> External References:
> Best regards,
> Vladis Dronov | Red Hat, Inc. | Product Security Engineer
Very respectfully,

David M Thomsen

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