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Ubuntu: Security update for the Linux kernel

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.

Updated packages are available from security.ubuntu.com.

Ubuntu Security Notice USN-1725-1
February 14, 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

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

References:
 http://www.ubuntu.com/usn/usn-1725-1
 CVE-2013-0190

Package Information:
 https://launchpad.net/ubuntu/+source/linux/2.6.32-45.103
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