Linux Kernel (Quantal HWE) Vulnerabilities Closed by Canonical

Users will have to restart the operating system after they perform the update

A security vulnerability that was discovered in the Linux kernel, affecting the Ubuntu 12.04 LTS (Precise Pangolin) operating system, has been announced by Canonical.

According to Canonical, a few issues have been corrected in the Linux kernel.

For example, a Xen stack corruption was reported in the Linux Kernel. An unprivileged user in a 32bit PVOPS guest can cause the guest kernel to crash or operate erroneously.

The security flaws can be fixed if you upgrade your system(s) to the linux-image-3.5.0-26-generic (3.5.0-26.42~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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