Ubuntu: 1660-1: Linux kernel vulnerability
Posted by Benjamin D. Thomas   
Ubuntu The system's firewall could be bypassed by a remote attacker.
==========================================================================
Ubuntu Security Notice USN-1660-1
December 11, 2012

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

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

- Ubuntu 8.04 LTS

Summary:

The system's firewall could be bypassed by a remote attacker.

Software Description:
- linux: Linux kernel

Details:

Zhang Zuotao discovered a bug in the Linux kernel's handling of overlapping
fragments in ipv6. A remote attacker could exploit this flaw to bypass
firewalls and initial new network connections that should have been blocked
by the firewall.

Update instructions:

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

Ubuntu 8.04 LTS:
  linux-image-2.6.24-32-386       2.6.24-32.107
  linux-image-2.6.24-32-generic   2.6.24-32.107
  linux-image-2.6.24-32-hppa32    2.6.24-32.107
  linux-image-2.6.24-32-hppa64    2.6.24-32.107
  linux-image-2.6.24-32-itanium   2.6.24-32.107
  linux-image-2.6.24-32-lpia      2.6.24-32.107
  linux-image-2.6.24-32-lpiacompat  2.6.24-32.107
  linux-image-2.6.24-32-mckinley  2.6.24-32.107
  linux-image-2.6.24-32-openvz    2.6.24-32.107
  linux-image-2.6.24-32-powerpc   2.6.24-32.107
  linux-image-2.6.24-32-powerpc-smp  2.6.24-32.107
  linux-image-2.6.24-32-powerpc64-smp  2.6.24-32.107
  linux-image-2.6.24-32-rt        2.6.24-32.107
  linux-image-2.6.24-32-server    2.6.24-32.107
  linux-image-2.6.24-32-sparc64   2.6.24-32.107
  linux-image-2.6.24-32-sparc64-smp  2.6.24-32.107
  linux-image-2.6.24-32-virtual   2.6.24-32.107
  linux-image-2.6.24-32-xen       2.6.24-32.107

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

References:
  http://www.ubuntu.com/usn/usn-1660-1
  CVE-2012-4444

Package Information:
  https://launchpad.net/ubuntu/+source/linux/2.6.24-32.107