netdev - Re: [PATCH net] netfilter: xt_TCPMSS: add more sanity tests on tcph->doff

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Message-ID: <57943637ed28d314172e2a9ad0f4d99f@nuclearcat.com>
Date:   Thu, 20 Apr 2017 21:14:55 +0300
From:   Denys Fedoryshchenko <nuclearcat@...learcat.com>
To:     Pablo Neira Ayuso <pablo@...filter.org>
Cc:     Eric Dumazet <eric.dumazet@...il.com>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        netfilter-devel@...r.kernel.org
Subject: Re: [PATCH net] netfilter: xt_TCPMSS: add more sanity tests on
 tcph->doff

On 2017-04-08 23:24, Pablo Neira Ayuso wrote:
> On Mon, Apr 03, 2017 at 10:55:11AM -0700, Eric Dumazet wrote:
>> From: Eric Dumazet <edumazet@...gle.com>
>> 
>> Denys provided an awesome KASAN report pointing to an use
>> after free in xt_TCPMSS
>> 
>> I have provided three patches to fix this issue, either in xt_TCPMSS 
>> or
>> in xt_tcpudp.c. It seems xt_TCPMSS patch has the smallest possible
>> impact.
> 
> Applied to nf.git, thanks!
Any plans to queue it to stable trees?
It seems affected kernel for years.