USN-2204-1: Linux kernel vulnerability

6 May 2014

linux vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 14.04 LTS


The system could be made to crash or run programs as an administrator.

Software Description

  • linux - Linux kernel


A flaw was discovered in the Linux kernel’s pseudo tty (pty) device. An unprivileged user could exploit this flaw to cause a denial of service (system crash) or potentially gain administrator privileges.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04 LTS
linux-image-3.13.0-24-generic - 3.13.0-24.47
linux-image-3.13.0-24-generic-lpae - 3.13.0-24.47
linux-image-3.13.0-24-lowlatency - 3.13.0-24.47
linux-image-3.13.0-24-powerpc-e500 - 3.13.0-24.47
linux-image-3.13.0-24-powerpc-e500mc - 3.13.0-24.47
linux-image-3.13.0-24-powerpc-smp - 3.13.0-24.47
linux-image-3.13.0-24-powerpc64-emb - 3.13.0-24.47
linux-image-3.13.0-24-powerpc64-smp - 3.13.0-24.47

To update your system, please follow these instructions:

After a standard system update you need to reboot your computer to make all the necessary changes.