[USN-1994-1] Linux kernel (Quantal HWE) vulnerability

[John Johansen]

==========================================================================
Ubuntu Security Notice USN-1994-1
October 22, 2013

linux-lts-quantal vulnerability
==========================================================================

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

- Ubuntu 12.04 LTS

Summary:

The system could be made to expose sensitive information to a local user.

Software Description:
- linux-lts-quantal: Linux hardware enablement kernel from Quantal

Details:

Dan Carpenter discovered an information leak in the HP Smart Array and
Compaq SMART2 disk-array driver in the Linux kernel. A local user could
exploit this flaw to obtain sensitive information from kernel memory.

Update instructions:

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

Ubuntu 12.04 LTS:
  linux-image-3.5.0-42-generic    3.5.0-42.65~precise1

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

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.

References:
  http://www.ubuntu.com/usn/usn-1994-1
  CVE-2013-2147

Package Information:
  https://launchpad.net/ubuntu/+source/linux-lts-quantal/3.5.0-42.65~precise1


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