The Linux orinoco driver included in kernel versions less than 2.6.13.4 pads Ethernet frames with uninitialized data, thus allowing remote attackers to obtain parts of memory which may contain sensitive information.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/40687/orinoco-leakage.txt
Source: https://packetstormsecurity.com/files/40687/orinoco-leakage.txt.html