Linux Kernel (Raring HWE) Vulnerabilities Fixed in Ubuntu 12.04

Users will have to restart the operating system after performing the update

By on May 31st, 2013 13:49 GMT

Several security vulnerabilities have been discovered in the Linux kernel (Raring HWE), affecting the Ubuntu 12.04 LTS (Precise Pangolin) operating system, Canonical has unveiled.

According to Canonical, several security issues have been fixed in the kernel.

For example, an information leak has been discovered in the Linux kernel's crypto API. A

Local users could have exploited this flaw to examine potentially sensitive information from the kernel's stack memory.

The security flaws can be fixed if you upgrade your system(s) to linux-image-3.8.0-23-generic (3.8.0-23.34~precise1).

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.

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