The Linux kernel 2.6.9 before 2.6.9-67 in Red Hat Enterprise Linux (RHEL) 4 on Itanium (ia64) does not properly handle page faults during NUMA memory access, which allows local users to cause a denial of service (panic) via invalid arguments to set_mempolicy in an MPOL_BIND operation.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11437
http://www.securityfocus.com/bid/27556