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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://secunia.com/advisories/36131 ↗
- http://secunia.com/advisories/37471 ↗
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8680 ↗
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html ↗
- http://www.redhat.com/support/errata/RHSA-2009-1193.html ↗
- http://www.securityfocus.com/archive/1/507985/100/0/threaded ↗
- https://bugzilla.redhat.com/attachment.cgi?id=346615 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=504263 ↗
- https://bugzilla.redhat.com/attachment.cgi?id=346742 ↗
- http://osvdb.org/55679 ↗
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8625 ↗
- http://www.securityfocus.com/bid/35559 ↗
- http://marc.info/?l=oss-security&m=124654277229434&w=2 ↗
- http://www.vupen.com/english/advisories/2009/3316 ↗