Multiple vulnerabilities discovered in the Linux kernel affecting the Ubuntu 12.04 (Precise Pangolin) operating system have been fixed by Canonical.According to the company, several security issues have been fixed in the kernel. Check the report to see the extent of the upgrade.
For example, multiple integer overflow flaws have been discovered in the Alchemy LCD frame-buffer drivers in the Linux kernel. An unprivileged local user could exploit this flaw to gain administrative privileges.
The security flaws can be fixed if you upgrade your system(s) to the linux-image-3.2.0-58-generic, (3.2.0-58.88).
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.