CVE-2009-1388 Information

Description

The ptrace_start function in kernel/ptrace.c in the Linux kernel 2.6.18 does not properly handle simultaneous execution of the do_coredump function which allows local users to cause a denial of service (deadlock) via vectors involving the ptrace system call and a coredumping thread.

Reference

http://marc.info/?l=oss-security&m=124654277229434&w=2 http://osvdb.org/55679 http://secunia.com/advisories/36131 http://secunia.com/advisories/37471 http://www.redhat.com/support/errata/RHSA-2009-1193.html http://www.securityfocus.com/archive/1/507985/100/0/threaded http://www.securityfocus.com/bid/35559 http://www.vmware.com/security/advisories/VMSA-2009-0016.html http://www.vupen.com/english/advisories/2009/3316 https://bugzilla.redhat.com/attachment.cgi?id=346615 https://bugzilla.redhat.com/attachment.cgi?id=346742 https://bugzilla.redhat.com/show_bug.cgi?id=504263 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A8625 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A8680