Ubuntu Update for Linux kernel vulnerabilities USN-1084-1
Please Install the Updated Packages.
It was discovered that Avahi incorrectly handled empty UDP packets. A remote attacker could send a specially-crafted packet and cause Avahi to hang, resulting in a denial of service.
avahi vulnerability on Ubuntu 8.04 LTS , Ubuntu 9.10 , Ubuntu 10.04 LTS , Ubuntu 10.10