[USN-1664-1] Linux kernel (EC2) vulnerability

John Johansen john.johansen at canonical.com
Thu Dec 13 04:00:47 UTC 2012

Ubuntu Security Notice USN-1664-1
December 13, 2012

linux-ec2 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-ec2: Linux kernel for EC2


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-2.6.32-350-ec2      2.6.32-350.58

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


Package Information:

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