The unw_unwind_to_user function in unwind.c on Itanium (ia64) architectures in Linux kernel 2.6 allows local users to cause a denial of service (system crash).
linux.bkbits.net:8080/linux-2.6/cset%4041f2beablXVnAs_6fznhhITh1j5hZg
secunia.com/advisories/15019
secunia.com/advisories/20163
secunia.com/advisories/20202
secunia.com/advisories/20338
www.debian.org/security/2006/dsa-1067
www.debian.org/security/2006/dsa-1069
www.debian.org/security/2006/dsa-1070
www.debian.org/security/2006/dsa-1082
www.redhat.com/support/errata/RHSA-2005-284.html
www.redhat.com/support/errata/RHSA-2005-293.html
www.redhat.com/support/errata/RHSA-2005-366.html
www.securityfocus.com/bid/13266
bugzilla.redhat.com/bugzilla/show_bug.cgi?id=148868
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9040