netdev - Re: Neighbor Discovery from non-neighbors (fwd)

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Date:	Thu, 02 Oct 2008 13:12:46 +0200
From:	Rémi Denis-Courmont <rdenis@...phalempin.com>
To:	Pekka Savola <pekkas@...core.fi>
Cc:	netdev@...r.kernel.org
Subject: Re: Neighbor Discovery from non-neighbors (fwd)


On Thu, 2 Oct 2008 11:07:48 +0300 (EEST), Pekka Savola <pekkas@...core.fi>
wrote:
> There is a bug in the Neighbor Discovery spec, and it's possible that
> Linux would also be similarly affected.  Anyone check?

The NA receiving code does not appear to check for "on-link"ness of the
target, so it seems polluting the neighbors cache is do-able. However, it
is not clear to me whether this can override IPv6 routing. I wish
Yoshifuji-san were around.

-- 
Rémi Denis-Courmont

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