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    SubjectRe: [stable] [patch 29/37] dvb-core: Proper handling ULE SNDU length of 0
    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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