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Date: Thu, 2 Apr 2015 19:55:19 -0400
From: Dan McDonald <>
To: "" <>
Subject: Re: CVE Request : IPv6 Hop limit lowering via RA messages

> On Apr 2, 2015, at 1:19 PM, D.S. Ljungmark <> wrote:
> An unprivileged user on a local network can use IPv6 Neighbour
> Discovery ICMP to broadcast a non-route with a low hop limit, this
> causing machines to lower the hop limit on existing IPv6 routes.

This low-hop-limit problem does not affect Illumos, but we added detection of the problem into our IPv6 NDP daemon:

I can't speak to our cousins in Oracle Solaris, though.

Dan McDonald - OmniOS Engineering

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