Ubuntu Security Notice USN-1664-1
12th December, 2012
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.
- 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.
The problem can be corrected by updating your system to the following package version:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make
all the necessary changes.