Linux Kernel (Raring HWE) Exploit Fixed in Ubuntu 12.04

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

A security issue 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, the system could have been made to crash or run programs as an administrator..

A bug has been reported in the Linux kernel's recvmsg syscall when called from code using the x32 ABI. An unprivileged local user could exploit this flaw to cause a denial of service (system crash) or gain administrator privileges.

The security flaws can be fixed if you upgrade your system to linux-image-3.8.0-35-generic (3.8.0-35.52~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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