The H-Security Online reports today about fixed holes in Linux kernels:

QUOTE
17 August 2009, 16:40
Linux kernel vulnerability fixes

The Linux developers have released kernel versions 2.6.27.30 and 2.6.30.5 which fix a critical vulnerability revealed last week. The vulnerability, which is found in all 2.4 and 2.6 series Linux kernels since 2001 and for which there is already an exploit, allows users with restricted privileges to obtain root privileges. The developers urgently recommend users update to the new versions.

Details:
http://www.h-online.com/security/Linux-ker...s--/news/114021