============================================================================ 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 Summary: The system's firewall could be bypassed by a remote attacker. Software Description: - linux-ec2: Linux kernel for EC2 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 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. References: http://www.ubuntu.com/usn/usn-1664-1 CVE-2012-4444 Package Information: https://launchpad.net/ubuntu/+source/linux-ec2/2.6.32-350.58