Ubuntu alert USN-2526-1 (kernel)

From:
    	     
 
John Johansen <john.johansen@canonical.com> 
To:
    	     
 
ubuntu-security-announce@lists.ubuntu.com 
Subject:
    	     
 
[USN-2526-1] Linux kernel vulnerability 
Date:
    	     
 
Wed, 11 Mar 2015 23:47:11 -0700
Message-ID:
    	     
 
<5501366F.9080605@canonical.com>
==========================================================================
Ubuntu Security Notice USN-2526-1
March 12, 2015

linux vulnerability
==========================================================================

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

- Ubuntu 12.04 LTS

Summary:

The system could be made to crash or run programs as an administrator.

Software Description:
- linux: Linux kernel

Details:

It was discovered that the Linux kernel's Infiniband subsystem did not
properly sanitize its input parameters while registering memory regions
from userspace. A local user could exploit this flaw to cause a denial of
service (system crash) or to potentially gain administrative privileges.

Update instructions:

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

Ubuntu 12.04 LTS:
  linux-image-3.2.0-77-generic    3.2.0-77.114
  linux-image-3.2.0-77-generic-pae  3.2.0-77.114
  linux-image-3.2.0-77-highbank   3.2.0-77.114
  linux-image-3.2.0-77-omap       3.2.0-77.114
  linux-image-3.2.0-77-powerpc-smp  3.2.0-77.114
  linux-image-3.2.0-77-powerpc64-smp  3.2.0-77.114
  linux-image-3.2.0-77-virtual    3.2.0-77.114

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

References:
  http://www.ubuntu.com/usn/usn-2526-1
  CVE-2014-8159

Package Information:
  https://launchpad.net/ubuntu/+source/linux/3.2.0-77.114


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