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

    Regards

    Marcel


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