A security vulnerability that has been discovered in the Linux kernel EC2 (Amazon EC2) affecting the Ubuntu 10.04 LTS (Lucid Lynx) operating system, has been announced by Canonical.These are the kernel vulnerabilities found in the Linux kernel packages: CVE-2012-6549, CVE-2013-1826, CVE-2013-1860, CVE-2013-1928, and CVE-2013-2634.
The security flaws can be fixed if you upgrade your system(s) to the linux-image-2.6.32-352-ec2 (2.6.32-352.65). More details about this update can be found in the official security notification.
Don't forget to reboot your computer after the upgrade!
ATTENTION: Due to an unavoidable ABI change, the kernel packages have a new version number, which will force you to reinstall and recompile all third-party kernel modules you might have installed. Moreover, if you use the linux-restricted-modules package, you have to update it as well to get modules that work with the new Linux kernel version.