This week at LWN: Fun with NULL pointers, part 1

Posted by Scott_Ruecker on Jul 30, 2009 9:11 PM EDT
LWN.net; By Jonathan Corbet 		Mail this story
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By now, most readers will be familiar with the local kernel exploit recently posted by Brad Spengler. This vulnerability, which affects the 2.6.30 kernel (and a test version of the RHEL5 "2.6.18" kernel), is interesting in a number of ways. This article will look in detail at how the exploit works and the surprising chain of failures which made it possible.

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