Promptly, I went to http://google.com and look for "kernel exploit linux". I found this in http://slashdot.org,
The announcement suggests that systems based on Ubuntu and Debian are vulnerable, but my FC7 distribution is vulnerable, too.
However, 30 minutes ago, I updated my kernel, using "Software Updater" from the Gnome menu, and the problem was fixed.
So, lets update your software.
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