Linux kernel 2.6 before 2.6.15.5 allows local users to obtain sensitive information via a crafted XFS ftruncate call, which may return stale data.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24999
http://www.vupen.com/english/advisories/2006/2554
http://www.vupen.com/english/advisories/2006/0804
http://www.securityfocus.com/bid/16921
http://www.novell.com/linux/security/advisories/2006-05-31.html
http://www.mandriva.com/security/advisories?name=MDKSA-2006:150
http://www.mandriva.com/security/advisories?name=MDKSA-2006:059
http://www.debian.org/security/2006/dsa-1103
http://secunia.com/advisories/20914
http://secunia.com/advisories/20398
http://secunia.com/advisories/19220