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Groups > linux.debian.user > #171036

Re: (OT kinda) Newly-discovered TCP flaw

From Greg Wooledge <wooledg@eeg.ccf.org>
Newsgroups linux.debian.user
Subject Re: (OT kinda) Newly-discovered TCP flaw
Date 2016-08-12 17:40 +0200
Message-ID <s5mIV-3sw-5@gated-at.bofh.it> (permalink)
References (1 earlier) <s5hpT-8r9-19@gated-at.bofh.it> <s5jL3-1y8-1@gated-at.bofh.it> <s5lWx-2UE-9@gated-at.bofh.it> <s5m6d-2Y8-9@gated-at.bofh.it> <s5mpz-3m3-9@gated-at.bofh.it>
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On Fri, Aug 12, 2016 at 05:19:21PM +0200, Pascal Hambourg wrote:
> Why then is the sysctl present in the current Wheezy's 3.2 kernel ?
> 
> The patches which introduced the flawed feature were backported in 
> upstream 3.2.37 kernel.
> 
> <https://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.37>

Oh, interesting.  Thank you for that.

Is it safe to say, then, that the flaw is potentially present in any kernel
where /proc/sys/net/ipv4/tcp_challenge_ack_limit exists?  (Assuming that
there is a /proc file system at all.)

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Thread

(OT kinda) Newly-discovered TCP flaw Curt <curty@free.fr> - 2016-08-11 18:00 +0200
  Re: (OT kinda) Newly-discovered TCP flaw Reco <recoverym4n@gmail.com> - 2016-08-11 18:30 +0200
    Re: (OT kinda) Newly-discovered TCP flaw Curt <curty@free.fr> - 2016-08-11 18:50 +0200
      Re: (OT kinda) Newly-discovered TCP flaw Hugo Vanwoerkom <hvw59601@care2.com> - 2016-08-12 23:40 +0200
        Re: (OT kinda) Newly-discovered TCP flaw Curt <curty@free.fr> - 2016-08-13 11:10 +0200
          Re: (OT kinda) Newly-discovered TCP flaw Reco <recoverym4n@gmail.com> - 2016-08-13 11:20 +0200
            Re: (OT kinda) Newly-discovered TCP flaw Curt <curty@free.fr> - 2016-08-13 17:20 +0200
          Re: (OT kinda) Newly-discovered TCP flaw Pascal Hambourg <pascal@plouf.fr.eu.org> - 2016-08-13 11:20 +0200
            Re: (OT kinda) Newly-discovered TCP flaw Curt <curty@free.fr> - 2016-08-13 17:20 +0200
        Re: (OT kinda) Newly-discovered TCP flaw Reco <recoverym4n@gmail.com> - 2016-08-13 11:20 +0200
  Re: (OT kinda) Newly-discovered TCP flaw Gene Heskett <gheskett@shentel.net> - 2016-08-11 18:40 +0200
    Re: (OT kinda) Newly-discovered TCP flaw Gene Heskett <gheskett@shentel.net> - 2016-08-11 19:00 +0200
      Re: (OT kinda) Newly-discovered TCP flaw Curt <curty@free.fr> - 2016-08-11 19:30 +0200
    Re: (OT kinda) Newly-discovered TCP flaw Dan Ritter <dsr@randomstring.org> - 2016-08-11 19:00 +0200
    Re: (OT kinda) Newly-discovered TCP flaw Nicolas George <george@nsup.org> - 2016-08-11 19:10 +0200
      Re: (OT kinda) Newly-discovered TCP flaw Gene Heskett <gheskett@shentel.net> - 2016-08-11 20:00 +0200
        Re: (OT kinda) Newly-discovered TCP flaw Doug <dmcgarrett@optonline.net> - 2016-08-11 20:50 +0200
          Re: (OT kinda) Newly-discovered TCP flaw Gene Heskett <gheskett@shentel.net> - 2016-08-11 21:10 +0200
            Re: (OT kinda) Newly-discovered TCP flaw Lisi Reisz <lisi.reisz@gmail.com> - 2016-08-11 21:40 +0200
              Re: (OT kinda) Newly-discovered TCP flaw Joe <joe@jretrading.com> - 2016-08-11 22:10 +0200
                Re: (OT kinda) Newly-discovered TCP flaw deloptes <deloptes@gmail.com> - 2016-08-11 22:40 +0200
                Re: (OT kinda) Newly-discovered TCP flaw Joe <joe@jretrading.com> - 2016-08-11 22:50 +0200
                Re: (OT kinda) Newly-discovered TCP flaw deloptes <deloptes@gmail.com> - 2016-08-12 00:00 +0200
                Re: (OT kinda) Newly-discovered TCP flaw Bob Weber <bobrweber@gmail.com> - 2016-08-12 00:00 +0200
                Re: (OT kinda) Newly-discovered TCP flaw Curt <curty@free.fr> - 2016-08-12 11:00 +0200
                Re: (OT kinda) Newly-discovered TCP flaw Gene Heskett <gheskett@shentel.net> - 2016-08-12 12:00 +0200
                Re: (OT kinda) Newly-discovered TCP flaw deloptes <deloptes@gmail.com> - 2016-08-12 12:50 +0200
                Re: (OT kinda) Newly-discovered TCP flaw Gene Heskett <gheskett@shentel.net> - 2016-08-12 13:30 +0200
                Re: (OT kinda) Newly-discovered TCP flaw deloptes <deloptes@gmail.com> - 2016-08-12 22:30 +0200
                Re: (OT kinda) Newly-discovered TCP flaw Curt <curty@free.fr> - 2016-08-12 14:30 +0200
                Re: (OT kinda) Newly-discovered TCP flaw rhkramer@gmail.com - 2016-08-12 16:50 +0200
                Re: (OT kinda) Newly-discovered TCP flaw Greg Wooledge <wooledg@eeg.ccf.org> - 2016-08-12 17:00 +0200
                Re: (OT kinda) Newly-discovered TCP flaw Pascal Hambourg <pascal@plouf.fr.eu.org> - 2016-08-12 17:20 +0200
                Re: (OT kinda) Newly-discovered TCP flaw Greg Wooledge <wooledg@eeg.ccf.org> - 2016-08-12 17:40 +0200
                Re: (OT kinda) Newly-discovered TCP flaw rhkramer@gmail.com - 2016-08-12 17:40 +0200
                Re: (OT kinda) Newly-discovered TCP flaw "John L. Ries" <jries@salford-systems.com> - 2016-08-12 18:40 +0200
                Re: (OT kinda) Newly-discovered TCP flaw Curt <curty@free.fr> - 2016-08-12 18:10 +0200
                Re: (OT kinda) Newly-discovered TCP flaw Gene Heskett <gheskett@shentel.net> - 2016-08-12 18:00 +0200
                The Debian/Ubuntu/Mint installer was Re: (OT kinda) Newly-discovered TCP flaw Lisi Reisz <lisi.reisz@gmail.com> - 2016-08-13 01:10 +0200
                Re: The Debian/Ubuntu/Mint installer was Re: (OT kinda) Newly-discovered TCP flaw Gene Heskett <gheskett@shentel.net> - 2016-08-13 05:20 +0200
                Re: The Debian/Ubuntu/Mint installer was Re: (OT kinda) Newly-discovered TCP flaw Lisi Reisz <lisi.reisz@gmail.com> - 2016-08-13 10:50 +0200
                Re: (OT kinda) Newly-discovered TCP flaw Gene Heskett <gheskett@shentel.net> - 2016-08-12 05:00 +0200
              Re: (OT kinda) Newly-discovered TCP flaw Gene Heskett <gheskett@shentel.net> - 2016-08-12 04:50 +0200

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