CVE-2012-4538

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{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "550223A9-B9F1-440A-8C25-9F0F76AF7301", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "0D532B60-C8DD-4A2F-9D05-E574D23EB754", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "8F0AF8EF-6FF6-4E22-B16E-82C9F90C6B00", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors."}, {"lang": "es", "value": "La llamada HVMOP_pagetable_dying en Xen v4.0, v4.1, y v4.2 no comprueba correctamente el estado \"pagetable\" cuando se ejecuta en \"shadow pagetables\", lo que permite a un sistema operativo HVM de invitado causar una denegaci\u00f3n de servicio (ca\u00edda del hipervisor) a trav\u00e9s de vectores no especificados."}], "id": "CVE-2012-4538", "lastModified": "2026-06-16T23:45:17.257", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-11-24T20:55:03.603", "references": [{"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.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/2014-03/msg00021.html"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://lists.xen.org/archives/html/xen-announce/2012-11/msg00004.html"}, {"source": "secalert@redhat.com", "url": "http://osvdb.org/87306"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/51200"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/51324"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/51352"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/51413"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/51468"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/55082"}, {"source": "secalert@redhat.com", "url": "http://security.gentoo.org/glsa/glsa-201309-24.xml"}, {"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2012/dsa-2582"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2012/11/13/3"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/56498"}, {"source": "secalert@redhat.com", "url": "http://www.securitytracker.com/id?1027762"}, {"source": "secalert@redhat.com", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80025"}, {"source": "secalert@redhat.com", "url": "https://security.gentoo.org/glsa/201604-03"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html"}, {"source": 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"http://www.debian.org/security/2012/dsa-2582"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2012/11/13/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/56498"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id?1027762"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80025"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201604-03"}], "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.", "bugzilla": {"description": "kernel: xen: Unhooking empty PAE entries can crash Xen", "id": "870106", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=870106"}, "csaw": false, "cvss": {"cvss_base_score": "5.5", "cvss_scoring_vector": "AV:A/AC:L/Au:S/C:N/I:N/A:C", "status": "draft"}, "details": ["The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors."], "name": "CVE-2012-4538", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel-xen", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2012-11-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-4538\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-4538"], "statement": "Not vulnerable.\nThis issue did not 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": "Moderate"}

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