Canonical has released updated kernels for Ubuntu versions 10.04 LTS, 9.10,. 9.04, and. 8.04 and 6.06 LTS to close the recently discovered holes in the Linux kernel. The updates are also for the equivalent versions of Kubuntu, Edubuntu and Xubuntu and should be available through Ubuntu s Software Update system. White-hat hackers using never-before-seen zero days against popular applications and devices against competed at two-day gathering in Chengdu.
Source: https://threatpost.com/open-source-vendors-closing-kernel-hole-092010/74495/