Ubuntu Update for linux USN-1661-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1661-1
Solution
Please Install the Updated Packages.
Insight
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.
Affected
linux on Ubuntu 10.04 LTS