CVE-2012-4537

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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:3.4.0:*:*:*:*:*:*:*", "matchCriteriaId": "7F7D1B7E-C30F-430F-832D-2A405DA1F2D9", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:3.4.1:*:*:*:*:*:*:*", "matchCriteriaId": "B7C1D0AD-B804-474C-96A3-988BADA0DAD2", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:*", "matchCriteriaId": "1DCD1F05-9F96-40DD-B506-750E87306325", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:*", "matchCriteriaId": "25B6AE42-E1EB-47A8-8FAF-7A93A67EC67F", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:*", "matchCriteriaId": "60BADA43-94D5-4E80-B5C8-D01A0249F13E", "vulnerable": true}, {"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:4.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "FC734D58-96E5-4DD2-8781-F8E0ADB96462", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "62CEC1BF-1922-410D-BCBA-C58199F574C7", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:*", "matchCriteriaId": "923F2C2B-4A65-4823-B511-D0FEB7C7FAB2", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:*", "matchCriteriaId": "C1A24DED-B2EC-4D9C-9FA4-DD37EF3E3BFC", "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:4.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "5D83CA8B-8E49-45FA-8FAB-C15052474542", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*", "matchCriteriaId": "27537DF5-7E0F-463F-BA87-46E329EE07AC", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*", "matchCriteriaId": "3EA4F978-9145-4FE6-B4F9-15207E52C40A", "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": "Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails, which allows local HVM guest OS administrators to cause a denial of service (memory consumption and assertion failure), aka \"Memory mapping failure DoS vulnerability.\""}, {"lang": "es", "value": "Xen v3.4 hasta v4.2 y posiblemente versiones anteriores, no sincroniza correctamente las tablas p2m y m2p cuando la funci\u00f3n set_p2m_entry falla, lo que permite a los administradores de sistemas operativos clientes en HVM locales, causar una denegaci\u00f3n de servicio (consumo de memoria y error de aserci\u00f3n), tambi\u00e9n conocido como \"vulnerabilidad de denegaci\u00f3n de servicio por fallo en mapeo de memoria."}], "id": "CVE-2012-4537", "lastModified": "2026-06-16T23:45:17.100", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-11-21T23:55:02.210", "references": [{"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html"}, {"source": "secalert@redhat.com", "url": 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"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: Memory mapping failure can crash Xen", "id": "870101", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=870101"}, "csaw": false, "cvss": {"cvss_base_score": "5.5", "cvss_scoring_vector": "AV:A/AC:L/Au:S/C:N/I:N/A:C", "status": "verified"}, "details": ["Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails, which allows local HVM guest OS administrators to cause a denial of service (memory consumption and assertion failure), aka \"Memory mapping failure DoS vulnerability.\""], "name": "CVE-2012-4537", "public_date": "2012-11-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-4537\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-4537"], "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": "Moderate"}

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