The problem can be corrected by updating your system to the following package versions: Ubuntu 12.10: linux-image-3.5.0-215-omap4 3.5.0-215.22 After a standard system update you need to reboot your computer to make all the necessary changes.
https://ubuntu.com/security/notices/USN-1647-1
CVE-2012-0957, CVE-2012-4565
https://launchpad.net/ubuntu/+source/linux-ti-omap4/3.5.0-215.22
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