July 27, 2009

Finding Linux Bugs Before they Become Exploits

Article Source internetnews.com

It's not everyday that there is a public security exploit published for the Linux kernel, yet that is what happened in early July. Though the flaw itself was patched in the mainline Linux kernel several weeks prior to the public exploit code being published, not all users may have patched. It could have been a lot worse.

The issue of patching aside, the public exploit could easily have been a zero day exploit on the Linux kernel itself, were it not for the fact that the bug that enables the exploit was caught by a scan from code scanning vendor Coverity. The Linux kernel has been actively scanned by Coverity since at least 2004 in an effort to find bugs and improve code quality...

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