[USN-1468-1] Linux kernel vulnerability

John Johansen john.johansen at canonical.com
Tue Jun 12 19:41:40 UTC 2012


==========================================================================
Ubuntu Security Notice USN-1468-1
June 12, 2012

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

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

- Ubuntu 10.04 LTS

Summary:

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

Software Description:
- linux: Linux kernel

Details:

Schacher Raindel discovered a flaw in the Linux kernel's memory handling
when hugetlb is enabled. An unprivileged local attacker could exploit this
flaw to cause a denial of service and potentially gain higher privileges.

Update instructions:

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

Ubuntu 10.04 LTS:
  linux-image-2.6.32-41-386       2.6.32-41.90
  linux-image-2.6.32-41-generic   2.6.32-41.90
  linux-image-2.6.32-41-generic-pae  2.6.32-41.90
  linux-image-2.6.32-41-ia64      2.6.32-41.90
  linux-image-2.6.32-41-lpia      2.6.32-41.90
  linux-image-2.6.32-41-powerpc   2.6.32-41.90
  linux-image-2.6.32-41-powerpc-smp  2.6.32-41.90
  linux-image-2.6.32-41-powerpc64-smp  2.6.32-41.90
  linux-image-2.6.32-41-preempt   2.6.32-41.90
  linux-image-2.6.32-41-server    2.6.32-41.90
  linux-image-2.6.32-41-sparc64   2.6.32-41.90
  linux-image-2.6.32-41-sparc64-smp  2.6.32-41.90
  linux-image-2.6.32-41-versatile  2.6.32-41.90
  linux-image-2.6.32-41-virtual   2.6.32-41.90

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

References:
  http://www.ubuntu.com/usn/usn-1468-1
  CVE-2012-2133

Package Information:
  https://launchpad.net/ubuntu/+source/linux/2.6.32-41.90

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