[USN-1661-1] Linux kernel vulnerability

John Johansen john.johansen at canonical.com
Tue Dec 11 04:50:41 UTC 2012

Ubuntu Security Notice USN-1661-1
December 11, 2012

linux vulnerability

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

- Ubuntu 10.04 LTS


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

Software Description:
- linux: Linux kernel


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 10.04 LTS:
  linux-image-2.6.32-45-386       2.6.32-45.101
  linux-image-2.6.32-45-generic   2.6.32-45.101
  linux-image-2.6.32-45-generic-pae  2.6.32-45.101
  linux-image-2.6.32-45-ia64      2.6.32-45.101
  linux-image-2.6.32-45-lpia      2.6.32-45.101
  linux-image-2.6.32-45-powerpc   2.6.32-45.101
  linux-image-2.6.32-45-powerpc-smp  2.6.32-45.101
  linux-image-2.6.32-45-powerpc64-smp  2.6.32-45.101
  linux-image-2.6.32-45-preempt   2.6.32-45.101
  linux-image-2.6.32-45-server    2.6.32-45.101
  linux-image-2.6.32-45-sparc64   2.6.32-45.101
  linux-image-2.6.32-45-sparc64-smp  2.6.32-45.101
  linux-image-2.6.32-45-versatile  2.6.32-45.101
  linux-image-2.6.32-45-virtual   2.6.32-45.101

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


Package Information:

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