CVE-2006-4342 - Substitutable Whistles

Description

The kernel in Red Hat Enterprise Linux 3 when running on SMP systems allows local users to cause a denial of service (deadlock) by running the shmat function on an shm at the same time that shmctl is removing that shm (IPC_RMID) which prevents a spinlock from being unlocked.

Reference

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=205618 http://www.redhat.com/support/errata/RHSA-2006-0710.html http://secunia.com/advisories/22497 http://www.kb.cert.org/vuls/id/245984 http://support.avaya.com/elmodocs2/security/ASA-2006-254.htm http://secunia.com/advisories/23064 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9649