On Thu, Sep 07, 2006 at 02:57:56PM +0200, Marcel Holtmann wrote:
> Hi Greg,
>
> > ULE (Unidirectional Lightweight Encapsulation RFC 4326) decapsulation
> > code has a bug that allows an attacker to send a malformed ULE packet
> > with SNDU length of 0 and bring down the receiving machine. This patch
> > fix the bug and has been tested on version 2.6.17.11. This bug is 100%
> > reproducible and the modified source code (GPL) used to produce this bug
> > will be posted on http://nrg.cs.usm.my/downloads.htm shortly. The
> > kernel will produce a dump during CRC32 checking on faulty ULE packet.
>
> the upstream code changed for 2.6.18. It has a different way of
> addressing this issue, but it also changes a lot of other stuff in the
> whole code. However it might be worth looking at it, because the
> upstream code might be still vulnerable.
So we should not take this patch for 2.6.17.y? Do you have a different
patch we should use instead?
thanks,
greg k-h
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