In Ubuntu's USN-219-1: Paolo Giarrusso discovered an information leak in the sys_get_thread_area(). The returned structure was not properly cleared, which exposed a small amount of kernel memory to userspace programs. This could possibly expose confidential data. (CVE-2005-3276)
Patch: http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=71ae18ec690953e9ba7107c7cc44589c2cc0d9f1;hp=44456d37b59d8e541936ed26d8b6e08d27e88ac1
All fixed, closing bug.