Concurrency Exploits

As a rule I like to avoid going all computer-geek on my readers, but in this case I'll make an exception, for there's a wonderfully interesting short paper and presentation about how concurrency can be exploited to bypass security in system call wrappers.

That's right: Concurrency, security, and wrappers… oh, my! [It's like someone's trying to deliberately provoke Eric Q. - ed.]

(h/t Financial Cryptography blog)