USN-1725-1: Linux kernel vulnerability

14 February 2013

linux vulnerability

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

  • Ubuntu 10.04 LTS

Summary

The system could be made to crash under certain conditions.

Software Description

  • linux - Linux kernel

Details

Andrew Cooper of Citrix reported a Xen stack corruption in the Linux kernel. An unprivileged user in a 32bit PVOPS guest can cause the guest kernel to crash, or operate erroneously.

Update instructions

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

Ubuntu 10.04 LTS
linux-image-2.6.32-45-386 - 2.6.32-45.103
linux-image-2.6.32-45-generic - 2.6.32-45.103
linux-image-2.6.32-45-generic-pae - 2.6.32-45.103
linux-image-2.6.32-45-ia64 - 2.6.32-45.103
linux-image-2.6.32-45-lpia - 2.6.32-45.103
linux-image-2.6.32-45-powerpc - 2.6.32-45.103
linux-image-2.6.32-45-powerpc-smp - 2.6.32-45.103
linux-image-2.6.32-45-powerpc64-smp - 2.6.32-45.103
linux-image-2.6.32-45-preempt - 2.6.32-45.103
linux-image-2.6.32-45-server - 2.6.32-45.103
linux-image-2.6.32-45-sparc64 - 2.6.32-45.103
linux-image-2.6.32-45-sparc64-smp - 2.6.32-45.103
linux-image-2.6.32-45-versatile - 2.6.32-45.103
linux-image-2.6.32-45-virtual - 2.6.32-45.103

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References