GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

FKIE_CVE-2012-4536

Vulnerability from fkie_nvd - Published: 2012-11-21 23:55 - Updated: 2026-06-16 23:45
Severity
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.
References
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
secalert@redhat.comhttp://lists.xen.org/archives/html/xen-announce/2012-11/msg00003.htmlVendor Advisory
secalert@redhat.comhttp://osvdb.org/87297
secalert@redhat.comhttp://secunia.com/advisories/51200
secalert@redhat.comhttp://secunia.com/advisories/51324
secalert@redhat.comhttp://secunia.com/advisories/51352
secalert@redhat.comhttp://secunia.com/advisories/51413
secalert@redhat.comhttp://secunia.com/advisories/55082
secalert@redhat.comhttp://security.gentoo.org/glsa/glsa-201309-24.xml
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2012/11/13/2
secalert@redhat.comhttp://www.securityfocus.com/bid/56498
secalert@redhat.comhttp://www.securitytracker.com/id?1027760
secalert@redhat.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/80023
secalert@redhat.comhttps://security.gentoo.org/glsa/201604-03
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
af854a3a-2127-422b-91ae-364da2661108http://lists.xen.org/archives/html/xen-announce/2012-11/msg00003.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/87297
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/51200
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/51324
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/51352
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/51413
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/55082
af854a3a-2127-422b-91ae-364da2661108http://security.gentoo.org/glsa/glsa-201309-24.xml
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2012/11/13/2
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/56498
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1027760
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/80023
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201604-03
Impacted products
Vendor Product Version
xen xen 2.2.0

{
  "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:2.2.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "01782F81-40CF-4B83-9175-EEB4928D20C7",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "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."
    }
  ],
  "id": "CVE-2012-4536",
  "lastModified": "2026-06-16T23:45:16.963",
  "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": "2012-11-21T23:55:02.117",
  "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",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://lists.xen.org/archives/html/xen-announce/2012-11/msg00003.html"
    },
    {
      "source": "secalert@redhat.com",
      "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": "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",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://lists.xen.org/archives/html/xen-announce/2012-11/msg00003.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "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"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…