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CVE-2012-4538 (GCVE-0-2012-4538)

Vulnerability from cvelistv5 – Published: 2012-11-24 20:00 – Updated: 2024-08-06 20:42
VLAI
Summary
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.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://secunia.com/advisories/55082 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/51413 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/51200 third-party-advisoryx_refsource_SECUNIA
http://www.securitytracker.com/id?1027762 vdb-entryx_refsource_SECTRACK
http://security.gentoo.org/glsa/glsa-201309-24.xml vendor-advisoryx_refsource_GENTOO
http://www.debian.org/security/2012/dsa-2582 vendor-advisoryx_refsource_DEBIAN
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://osvdb.org/87306 vdb-entryx_refsource_OSVDB
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://secunia.com/advisories/51468 third-party-advisoryx_refsource_SECUNIA
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://secunia.com/advisories/51352 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/51324 third-party-advisoryx_refsource_SECUNIA
https://security.gentoo.org/glsa/201604-03 vendor-advisoryx_refsource_GENTOO
http://www.openwall.com/lists/oss-security/2012/11/13/3 mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/56498 vdb-entryx_refsource_BID
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.xen.org/archives/html/xen-announce/2… mailing-listx_refsource_MLIST
Date Public
2012-11-13 00:00
Show details on NVD website
To clipboard 

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    "assignerShortName": "redhat",
    "cveId": "CVE-2012-4538",
    "datePublished": "2012-11-24T20:00:00.000Z",
    "dateReserved": "2012-08-21T00:00:00.000Z",
    "dateUpdated": "2024-08-06T20:42:54.821Z",
    "state": "PUBLISHED"
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    "epss": {
      "cve": "CVE-2012-4538",
      "date": "2026-09-17",
      "epss": "0.00443",
      "percentile": "0.37792"
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      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-20\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2012-4538\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2012-11-24T20:55:03.603\",\"lastModified\":\"2026-04-29T01:13:23.040\",\"vulnStatus\":\"Modified\",\"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.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:N/A:C\",\"baseScore\":4.9,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"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:4.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0D532B60-C8DD-4A2F-9D05-E574D23EB754\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8F0AF8EF-6FF6-4E22-B16E-82C9F90C6B00\"}]}]}],\"references\":[{\"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\"},{\"url\":\"http://lists.xen.org/archives/html/xen-announce/2012-11/msg00004.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"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\":\"secalert@redhat.com\"},{\"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\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.xen.org/archives/html/xen-announce/2012-11/msg00004.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://osvdb.org/87306\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/51200\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/51324\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/51352\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/51413\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/51468\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/55082\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://security.gentoo.org/glsa/glsa-201309-24.xml\",\"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/2012/11/13/3\",\"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\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:48:51+00:00",
      "cve": "CVE-2012-4538",
      "id": "CVE-2012-4538",
      "initial_release_date": "2012-11-13T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: xen: Unhooking empty PAE entries can crash Xen",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-4538.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-04T01:12:25Z",
      "cve": "CVE-2012-4538",
      "id": "CVE-2012-4538",
      "initial_release_date": "2023-02-15T05:44:32Z",
      "product_status:known_not_affected": "1",
      "product_status:recommended": "250",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2012-4538",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-4538.json",
      "version": "12"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.