CVE-2012-5513

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{}

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handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range."}, {"lang": "es", "value": "El manejador XENMEM_exchange en Xen v4.2 y anteriores no comprueba correctamente la direcci\u00f3n de memoria, lo que permite causar una denegaci\u00f3n de servicio (ca\u00edda del S.O.) a administrador de sistemas operativos invitados PV o posiblemente obtener privilegios a trav\u00e9s de vectores no especificados que sobrescriben memoria en rangos del hipervisor reservados."}], "id": "CVE-2012-5513", "lastModified": "2026-06-16T23:46:55.280", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.9, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-12-13T11:53:48.993", "references": [{"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html"}, {"source": 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"http://security.gentoo.org/glsa/glsa-201309-24.xml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://support.citrix.com/article/CTX135777"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2012/dsa-2582"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2012/12/03/11"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.osvdb.org/88131"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/56797"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80482"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Xen project for reporting this issue.", "affected_release": [{"advisory": "RHSA-2012:1540", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-308.24.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2012-12-04T00:00:00Z"}], "bugzilla": {"description": "kernel: xen: XENMEM_exchange may overwrite hypervisor memory", "id": "877391", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=877391"}, "csaw": false, "cvss": {"cvss_base_score": "7.4", "cvss_scoring_vector": "AV:A/AC:M/Au:S/C:C/I:C/A:C", "status": "verified"}, "cwe": "CWE-119", "details": ["The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range."], "name": "CVE-2012-5513", "package_state": [{"cpe": "cpe:/o:redhat:rhel_eus:5.9", "fix_state": "Affected", "package_name": "kernel-xen", "product_name": "Red Hat Enterprise Linux Extended Update Support 5.9"}], "public_date": "2012-12-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-5513\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-5513"], "statement": "This issue did affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5.\nThis issue did not affect Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG as we did not have support for Xen hypervisor.", "threat_severity": "Important"}

{}