[USN-1557-1] Linux kernel vulnerability

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Ubuntu Security Notice USN-1557-1
September 07, 2012

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

- Ubuntu 11.04

Summary:

The system could be made to crash under certain conditions.

Software Description:
- linux: Linux kernel

Details:

Some errors where discovered in the Linux kernel's UDF file system, which
is used to mount some CD-ROMs and DVDs. An unprivileged local user could
use these flaws to crash the system.



Update instructions:

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

Ubuntu 11.04:
linux-image-2.6.38-15-generic 2.6.38-15.66
linux-image-2.6.38-15-generic-pae 2.6.38-15.66
linux-image-2.6.38-15-omap 2.6.38-15.66
linux-image-2.6.38-15-powerpc 2.6.38-15.66
linux-image-2.6.38-15-powerpc-smp 2.6.38-15.66
linux-image-2.6.38-15-powerpc64-smp 2.6.38-15.66
linux-image-2.6.38-15-server 2.6.38-15.66
linux-image-2.6.38-15-versatile 2.6.38-15.66
linux-image-2.6.38-15-virtual 2.6.38-15.66

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

References:
http://www.ubuntu.com/usn/usn-1557-1
CVE-2012-3400

Package Information:
https://launchpad.net/ubuntu/+source/linux/2.6.38-15.66