Race condition in the SystemTap stap tool 0.0.20080705 and 0.0.20090314 allows local users in the stapusr group to insert arbitrary SystemTap kernel modules and gain privileges via unknown vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11613
http://www.vupen.com/english/advisories/2009/0907
http://www.redhat.com/support/errata/RHSA-2009-0373.html
http://www.debian.org/security/2009/dsa-1755
http://support.avaya.com/elmodocs2/security/ASA-2009-110.htm
http://secunia.com/advisories/34548