Ubuntu peppered with holes

“Almost 40 vulnerabilities, which allow remote and local
exploits, have been discovered in the Linux Ubuntu 10.04 Long Term
Support (LTS) kernel.

“The holes also apply to corresponding versions of Kubuntu,
Edubuntu and Xubuntu.

“The vulnerabilities include an issue with the way the Common
Internet File System validates Internet Control Message Protocol
(ICMP) response packets, which allows an attacker to send
denial-of-service crafted packets, and a hole in the Network File
System v4”