USN-1557-1: Linux kernel vulnerability

7 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 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

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.