Canonical announced on May 25th, in a security notice, that a new kernel upgrade for its Ubuntu 11.10 (Oneiric Ocelot) operating system is available.These are the two vulnerabilities found in the Linux kernel packages by various developers: CVE-2012-1601 and CVE-2012-2123.
You can click on each one to see how it affects your system, or go here for in-depth descriptions, as it affects other Linux operating systems as well.
The security flaws can be fixed if you upgrade your system(s) to the linux-image-3.0.0-20 (3.0.0-20.34) package(s). To apply the update, run the Update Manager application or follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
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 which work with the new Linux kernel version.
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