ptrace in Linux kernel 2.6.8.1 does not properly verify addresses on the amd64 platform, which allows local users to cause a denial of service (kernel crash).Referenceshttp://secunia.com/advisories/18056http://secunia.com/advisories/17073https://usn.ubuntu.com/137-1/http://www.securityfocus.com/bid/13891http://secunia.com/advisories/18059http://www.securityfocus.com/archive/1/428058/100/0/threadedhttp://www.debian.org/security/2005/dsa-922https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11119http://www.debian.org/security/2005/dsa-921http://www.redhat.com/support/errata/RHSA-2005-514.htmlhttp://secunia.com/advisories/17002http://www.securityfocus.com/archive/1/427980/100/0/threadedhttp://www.redhat.com/support/errata/RHSA-2005-663.htmlhttp://www.vupen.com/english/advisories/2005/1878
