USN-1557-1: Linux kernel vulnerability

Ubuntu Security Notice USN-1557-1

6th September, 2012

linux vulnerability

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

  • Ubuntu 11.04


The system could be made to crash under certain conditions.

Software description

  • linux - Linux kernel


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 version:

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

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.