{ "id": "CVE-2009-2848", "sourceIdentifier": "cve@mitre.org", "published": "2009-08-18T21:00:00.390", "lastModified": "2020-08-28T13:10:03.647", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "The execve function in the Linux kernel, possibly 2.6.30-rc6 and earlier, does not properly clear the current->clear_child_tid pointer, which allows local users to cause a denial of service (memory corruption) or possibly gain privileges via a clone system call with CLONE_CHILD_SETTID or CLONE_CHILD_CLEARTID enabled, which is not properly handled during thread creation and exit." }, { "lang": "es", "value": "Una funci\u00f3n execve en el kernel de Linux, posiblemente versi\u00f3n 2.6.30-rc6 y anteriores, no borra apropiadamente el puntero de current-)clear_child_tid, lo que permite a los usuarios locales causar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria) o posiblemente alcanzar privilegios por medio de un sistema de clonaci\u00f3n que llama con CLONE_CHILD_SETTID o CLONE_CHILD_CLEARTID habilitadas, que no son manejados apropiadamente durante la creaci\u00f3n y salida de hilos (subprocesos)." } ], "metrics": { "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:C", "accessVector": "LOCAL", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "COMPLETE", "baseScore": 5.9 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.4, "impactScore": 8.5, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-269" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": 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Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://rhn.redhat.com/errata/RHSA-2009-1243.html", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2009/08/04/2", "source": "cve@mitre.org", "tags": [ "Exploit", "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2009/08/05/10", "source": "cve@mitre.org", "tags": [ "Exploit", "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.redhat.com/support/errata/RHSA-2009-1438.html", "source": "cve@mitre.org", "tags": [ "Broken Link" ] }, { "url": "http://www.securityfocus.com/archive/1/507985/100/0/threaded", "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://www.securityfocus.com/archive/1/512019/100/0/threaded", "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://www.ubuntu.com/usn/USN-852-1", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.vmware.com/security/advisories/VMSA-2009-0016.html", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.vupen.com/english/advisories/2009/3316", "source": "cve@mitre.org", "tags": [ "Broken Link" ] }, { "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/52899", "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11412", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8598", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9766", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://rhn.redhat.com/errata/RHSA-2009-1550.html", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] } ] }