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Date: Thu, 29 Sep 2016 16:23:57 +0200
From: Greg KH <>
Cc: "" <>
Subject: Re: CVE request - Linux kernel through 4.6.2 allows
 escalade privileges via IP6T_SO_SET_REPLACE compat setsockopt call

On Fri, Sep 30, 2016 at 12:14:04AM +1000, Vitaly Nikolenko wrote:
> Wasn't this already covered by CVE-2016-4997? There's a public exploit
> I'm assuming for IPv6 this would be exactly the same except for
> changing the setsockopt optname from IPT_SO_SET_REPLACE to
> IP6T_SO_SET_REPLACE. The code path for IPv6 looks almost identical
> unless I'm missing something?
> Commit ce683e5f9d045e5d67d1312a42b359cb2ab2a13c included fixes for
> ARP, IP and IPv6 and my assumption was that CVE-2016-4997 covered all
> of them.

I knew this looked familiar, thanks for bringing this up.

greg k-h

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