CVE-2006-4813
The __block_prepare_write function in fs/buffer.c for Linux kernel 2.6.x before 2.6.13 does not properly clear buffers during certain error conditions, which allows local users to read portions of files that have been unlinked.
Date published : 2006-10-12
http://www.securityfocus.com/bid/21522
http://support.avaya.com/elmodocs2/security/ASA-2007-063.htm