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CVE-2012-4536 (GCVE-0-2012-4536)

Vulnerability from cvelistv5 – Published: 2012-11-21 23:00 – Updated: 2024-08-06 20:42
VLAI
Summary
The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.
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://security.gentoo.org/glsa/glsa-201309-24.xml vendor-advisoryx_refsource_GENTOO
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://lists.xen.org/archives/html/xen-announce/2… mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2012/11/13/2 mailing-listx_refsource_MLIST
http://www.securitytracker.com/id?1027760 vdb-entryx_refsource_SECTRACK
http://osvdb.org/87297 vdb-entryx_refsource_OSVDB
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
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.securityfocus.com/bid/56498 vdb-entryx_refsource_BID
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
Date Public
2012-11-13 00:00
Show details on NVD website
To clipboard 

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    "nvd": "{\"cve\":{\"id\":\"CVE-2012-4536\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2012-11-21T23:55:02.117\",\"lastModified\":\"2026-04-29T01:13:23.040\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.\"},{\"lang\":\"es\",\"value\":\"Las funciones (1) domain_pirq_to_emuirq y (2) physdev_unmap_pirq en Xen 2.2 permite a los administradores de sistemas operativos clientes locales causar una denegaci\u00f3n de servicio (ca\u00edda de Xen) a trav\u00e9s de un valor PIRQ modificado que provoca una lectura fuera de l\u00edmites.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":2.1,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:2.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"01782F81-40CF-4B83-9175-EEB4928D20C7\"}]}]}],\"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.xen.org/archives/html/xen-announce/2012-11/msg00003.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://osvdb.org/87297\",\"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/55082\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://security.gentoo.org/glsa/glsa-201309-24.xml\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2012/11/13/2\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securityfocus.com/bid/56498\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securitytracker.com/id?1027760\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/80023\",\"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.xen.org/archives/html/xen-announce/2012-11/msg00003.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://osvdb.org/87297\",\"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/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.openwall.com/lists/oss-security/2012/11/13/2\",\"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?1027760\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/80023\",\"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": "2025-11-21T12:49:07+00:00",
      "cve": "CVE-2012-4536",
      "id": "CVE-2012-4536",
      "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: PIRQ unmap missing range check causes hypervisor crash",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-4536.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-26T01:45:16Z",
      "cve": "CVE-2012-4536",
      "id": "CVE-2012-4536",
      "initial_release_date": "2023-02-15T05:44:33Z",
      "product_status:recommended": "241",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2012-4536",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-4536.json",
      "version": "11"
    }
  }
}



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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.