Another reason to use linux.
Apparently, the exploit isn't platform dependent... seems to be in the wireless cards themselves and their drivers. I would not be too sure that Linux isn't vulnerable as well.
Associated Press -
The researchers demonstrated the vulnerability at a computer-security conference, showing how to take complete control of a MacBook from Apple Computer Inc. But the two researchers, David Maynor, 28, and Jon Ellch, a 24-year-old who prefers to go by his hacker handle Johnny Cache, said the technique will work on an array of machines, including those that run Microsoft Corp.'s Windows and the free Linux operating system.