Discover Hacks/Cracks News
So far, so good. Unfortunately, the gcc code optimizer on finding that a variable has been assigned a NULL value removed the test! This left a hole, that didn't exist in the original program. Using this hole, and code provided by Spengler, any cracker with sufficient access to a Linux computer could get into the computer's memory and, from there, get into all kinds of mischief. For more on the down and dirty technical details, turn to Jonathan Corbet's story, "Fun with NULL Pointers."
The link for this article located at ComputerWorld is no longer available.