[USN-3144-2] Linux kernel (OMAP4) vulnerability

[Steve Beattie]

==========================================================================
Ubuntu Security Notice USN-3144-2
November 30, 2016

linux-ti-omap4 vulnerability
==========================================================================

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

- Ubuntu 12.04 LTS

Summary:

The system could be made to crash under certain conditions.

Software Description:
- linux-ti-omap4: Linux kernel for OMAP4

Details:

Marco Grassi discovered that the driver for Areca RAID Controllers in the
Linux kernel did not properly validate control messages. A local attacker
could use this to cause a denial of service (system crash) or possibly gain
privileges.

Update instructions:

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

Ubuntu 12.04 LTS:
  linux-image-3.2.0-1494-omap4    3.2.0-1494.121
  linux-image-omap4               3.2.0.1494.89

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.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References:
  http://www.ubuntu.com/usn/usn-3144-2
  http://www.ubuntu.com/usn/usn-3144-1
  CVE-2016-7425

Package Information:
  https://launchpad.net/ubuntu/+source/linux-ti-omap4/3.2.0-1494.121

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