cve-2011-4622
Vulnerability from cvelistv5
Published
2012-01-27 15:00
Modified
2024-08-07 00:09
Severity ?
Summary
The create_pit_timer function in arch/x86/kvm/i8254.c in KVM 83, and possibly other versions, does not properly handle when Programmable Interval Timer (PIT) interrupt requests (IRQs) when a virtual interrupt controller (irqchip) is not available, which allows local users to cause a denial of service (NULL pointer dereference) by starting a timer.
Impacted products
n/an/a
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-07T00:09:19.494Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "RHSA-2012:0051",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://www.redhat.com/support/errata/RHSA-2012-0051.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=769721"
          },
          {
            "name": "51172",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/51172"
          },
          {
            "name": "[oss-security] 20111221 Re: kernel: kvm: pit timer with no irqchip crashes the system",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2011/12/21/7"
          },
          {
            "name": "[kvm] 20111214 [PATCH 1/2] KVM: x86: Prevent starting PIT timers in the absence of irqchip support",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://permalink.gmane.org/gmane.comp.emulators.kvm.devel/83564"
          },
          {
            "name": "SUSE-SU-2012:0616",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html"
          },
          {
            "name": "openSUSE-SU-2013:0925",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html"
          },
          {
            "name": "1026559",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id?1026559"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2011-12-14T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The create_pit_timer function in arch/x86/kvm/i8254.c in KVM 83, and possibly other versions, does not properly handle when Programmable Interval Timer (PIT) interrupt requests (IRQs) when a virtual interrupt controller (irqchip) is not available, which allows local users to cause a denial of service (NULL pointer dereference) by starting a timer."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-12-28T20:57:01",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "RHSA-2012:0051",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://www.redhat.com/support/errata/RHSA-2012-0051.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=769721"
        },
        {
          "name": "51172",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/51172"
        },
        {
          "name": "[oss-security] 20111221 Re: kernel: kvm: pit timer with no irqchip crashes the system",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2011/12/21/7"
        },
        {
          "name": "[kvm] 20111214 [PATCH 1/2] KVM: x86: Prevent starting PIT timers in the absence of irqchip support",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://permalink.gmane.org/gmane.comp.emulators.kvm.devel/83564"
        },
        {
          "name": "SUSE-SU-2012:0616",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html"
        },
        {
          "name": "openSUSE-SU-2013:0925",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html"
        },
        {
          "name": "1026559",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id?1026559"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2011-4622",
    "datePublished": "2012-01-27T15:00:00",
    "dateReserved": "2011-11-29T00:00:00",
    "dateUpdated": "2024-08-07T00:09:19.494Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2011-4622\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2012-01-27T15:55:04.687\",\"lastModified\":\"2017-12-29T02:29:05.017\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"The create_pit_timer function in arch/x86/kvm/i8254.c in KVM 83, and possibly other versions, does not properly handle when Programmable Interval Timer (PIT) interrupt requests (IRQs) when a virtual interrupt controller (irqchip) is not available, which allows local users to cause a denial of service (NULL pointer dereference) by starting a timer.\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n create_pit_timer en arch/x86/kvm/i8254.c en KVM v83, y posiblemente otras versiones, no controla correctamente las solicitudes de interrupci\u00f3n (IRQs) en el temporizador de intervalos programable (PIT), cuando no hay disponible un controlador de interrupciones virtual (irqchip), lo que permite a usuarios locales causar una denegaci\u00f3n de servicio (desreferencia a puntero a NULL) mediante la iniciaci\u00f3n de un temporizador.\"}],\"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\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":4.9},\"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\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:redhat:kvm:83:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C9998FC2-8189-4269-BEF5-2044933ACB30\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://permalink.gmane.org/gmane.comp.emulators.kvm.devel/83564\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/12/21/7\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.redhat.com/support/errata/RHSA-2012-0051.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securityfocus.com/bid/51172\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securitytracker.com/id?1026559\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=769721\",\"source\":\"secalert@redhat.com\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...

Loading...

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.