{"id":"CVE-2006-4342","url":"https://www.cyber-defence.io/tools/cve/CVE-2006-4342","generatedAt":"2026-10-27T19:37:45.052Z","title":"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…","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.","published":"2006-10-17T17:07:00.000Z","lastModified":"2026-06-16T22:28:55.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-667"],"affected":["redhat/enterprise linux"],"epss":{"score":0.0039,"percentile":0.32931,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://secunia.com/advisories/22497","tags":["Broken Link"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/23064","tags":["Broken Link"],"source":"secalert@redhat.com"},{"url":"http://support.avaya.com/elmodocs2/security/ASA-2006-254.htm","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.kb.cert.org/vuls/id/245984","tags":["Third Party Advisory","US Government Resource"],"source":"secalert@redhat.com"},{"url":"http://www.redhat.com/support/errata/RHSA-2006-0710.html","tags":["Broken Link"],"source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=205618","tags":["Exploit","Issue Tracking"],"source":"secalert@redhat.com"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9649","tags":["Broken Link"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/22497","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/23064","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.avaya.com/elmodocs2/security/ASA-2006-254.htm","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kb.cert.org/vuls/id/245984","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.redhat.com/support/errata/RHSA-2006-0710.html","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=205618","tags":["Exploit","Issue Tracking"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9649","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2006-4342","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}