Ang Way Chuang has reported a vulnerability in the Linux Kernel, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error in the ULE (Unidirectional Lightweight Encapsulation) decapsulation code when processing ULE packets. This can be exploited to crash the system by sending a malicious ULE packet with an SNDU (Sub Network Data Unit) size of 0.
The vulnerability is reported in version 184.108.40.206. Other versions may also be affected.
Solution: Update to version 220.127.116.11 or later for the 2.6.16.x branch or 18.104.22.168 or later for the 2.6.17.x branch.
Provided and/or discovered by: Ang Way Chuang
Original Advisory: http://lkml.org/lkml/2006/8/20/278
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Subject: Linux Kernel ULE Packet Handling Denial of Service
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