Buffer overflow in nfsd in the Linux kernel before 2.6.26.4, when NFSv4 is enabled, allows remote attackers to have an unknown impact via vectors related to decoding an NFSv4 acl.
https://exchange.xforce.ibmcloud.com/vulnerabilities/45055
https://bugzilla.redhat.com/show_bug.cgi?id=461101
http://www.ubuntu.com/usn/usn-659-1
http://www.securityfocus.com/bid/31133
http://www.redhat.com/support/errata/RHSA-2008-0857.html
http://www.openwall.com/lists/oss-security/2008/09/04/4
http://www.openwall.com/lists/oss-security/2008/09/04/18
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.26.4
http://www.debian.org/security/2008/dsa-1636
http://secunia.com/advisories/32393
http://secunia.com/advisories/32190
http://secunia.com/advisories/31881