CVE-2006-4342

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.

• CWE-667

• http://secunia.com/advisories/22497Broken Link
• http://secunia.com/advisories/23064Broken Link
• http://support.avaya.com/elmodocs2/security/ASA-2006-254.htmThird Party Advisory
• http://www.kb.cert.org/vuls/id/245984Third Party Advisory, US Government Resource
• http://www.redhat.com/support/errata/RHSA-2006-0710.htmlBroken Link
• https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=205618Exploit, Issue Tracking
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9649Broken Link
• http://secunia.com/advisories/22497Broken Link
• http://secunia.com/advisories/23064Broken Link
• http://support.avaya.com/elmodocs2/security/ASA-2006-254.htmThird Party Advisory
• http://www.kb.cert.org/vuls/id/245984Third Party Advisory, US Government Resource
• http://www.redhat.com/support/errata/RHSA-2006-0710.htmlBroken Link
• https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=205618Exploit, Issue Tracking
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9649Broken Link

Published

Oct 17, 2006

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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