Canonical announced earlier today, June 29th, in a security notice, that new Linux kernel updates for its Ubuntu 12.04 LTS (Precise Pangolin), Ubuntu 11.10 (Oneiric Ocelot), Ubuntu 11.04 (Natty Narwhal), Ubuntu 10.04 LTS (Lucid Lynx) and Ubuntu 8.04 LTS (Hardy Heron) operating systems is now available, fixing three important security vulnerabilities discovered in the Linux kernel packages by various developers.
The following vulnerability affects the Ubuntu 12.04 LTS and Ubuntu 11.10 kernels: CVE-2012-2375.
The following three vulnerabilities affect the Ubuntu 11.04 kernel: CVE-2012-2313, CVE-2012-2319 and CVE-2012-2375.
The following two vulnerabilities affect the Ubuntu 10.04 LTS and 8.04 LTS kernels: CVE-2012-2313 and CVE-2012-2319.
For details about the vulnerabilities found in the Linux kernel packages you can click on each one, as it affects other Linux operating systems as well.
The security flaws can be fixed if you upgrade your system(s) now. 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!
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