Unspecified vulnerability in the "stack unwinder fixes" in kernel in Red Hat Enterprise Linux 5, when running on AMD64 and Intel 64, allows local users to cause a denial of service via unknown vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10681
http://www.securityfocus.com/bid/26158
http://www.redhat.com/support/errata/RHSA-2007-0940.html
http://securitytracker.com/id?1018844