gsd-2012-2121
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices.
Aliases
Aliases
CVE-2012-2121


To clipboard 

{
  "GSD": {
    "alias": "CVE-2012-2121",
    "description": "The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices.",
    "id": "GSD-2012-2121",
    "references": [
      "https://www.suse.com/security/cve/CVE-2012-2121.html",
      "https://www.debian.org/security/2013/dsa-2668",
      "https://access.redhat.com/errata/RHSA-2012:0743",
      "https://access.redhat.com/errata/RHSA-2012:0676",
      "https://linux.oracle.com/cve/CVE-2012-2121.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2012-2121"
      ],
      "details": "The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices.",
      "id": "GSD-2012-2121",
      "modified": "2023-12-13T01:20:16.700887Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2012-2121",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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            "value": "The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices."
          }
        ]
      },
      "problemtype": {
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              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "http://www.ubuntu.com/usn/USN-2036-1",
            "refsource": "MISC",
            "url": "http://www.ubuntu.com/usn/USN-2036-1"
          },
          {
            "name": "http://www.ubuntu.com/usn/USN-2037-1",
            "refsource": "MISC",
            "url": "http://www.ubuntu.com/usn/USN-2037-1"
          },
          {
            "name": "http://secunia.com/advisories/50732",
            "refsource": "MISC",
            "url": "http://secunia.com/advisories/50732"
          },
          {
            "name": "http://www.ubuntu.com/usn/USN-1577-1",
            "refsource": "MISC",
            "url": "http://www.ubuntu.com/usn/USN-1577-1"
          },
          {
            "name": "http://rhn.redhat.com/errata/RHSA-2012-0743.html",
            "refsource": "MISC",
            "url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html"
          },
          {
            "name": "http://rhn.redhat.com/errata/RHSA-2012-0676.html",
            "refsource": "MISC",
            "url": "http://rhn.redhat.com/errata/RHSA-2012-0676.html"
          },
          {
            "name": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.4",
            "refsource": "MISC",
            "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.4"
          },
          {
            "name": "http://www.openwall.com/lists/oss-security/2012/04/19/16",
            "refsource": "MISC",
            "url": "http://www.openwall.com/lists/oss-security/2012/04/19/16"
          },
          {
            "name": "http://www.securitytracker.com/id?1027083",
            "refsource": "MISC",
            "url": "http://www.securitytracker.com/id?1027083"
          },
          {
            "name": "https://github.com/torvalds/linux/commit/09ca8e1173bcb12e2a449698c9ae3b86a8a10195",
            "refsource": "MISC",
            "url": "https://github.com/torvalds/linux/commit/09ca8e1173bcb12e2a449698c9ae3b86a8a10195"
          },
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=814149",
            "refsource": "MISC",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=814149"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "3.3.3",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2012-2121"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
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              "value": "The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-264"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=814149",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=814149"
            },
            {
              "name": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.4",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.4"
            },
            {
              "name": "[oss-security] 20120419 Re: CVE request -- kernel: kvm: device assignment page leak",
              "refsource": "MLIST",
              "tags": [],
              "url": "http://www.openwall.com/lists/oss-security/2012/04/19/16"
            },
            {
              "name": "https://github.com/torvalds/linux/commit/09ca8e1173bcb12e2a449698c9ae3b86a8a10195",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://github.com/torvalds/linux/commit/09ca8e1173bcb12e2a449698c9ae3b86a8a10195"
            },
            {
              "name": "1027083",
              "refsource": "SECTRACK",
              "tags": [],
              "url": "http://www.securitytracker.com/id?1027083"
            },
            {
              "name": "RHSA-2012:0743",
              "refsource": "REDHAT",
              "tags": [],
              "url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html"
            },
            {
              "name": "USN-1577-1",
              "refsource": "UBUNTU",
              "tags": [],
              "url": "http://www.ubuntu.com/usn/USN-1577-1"
            },
            {
              "name": "50732",
              "refsource": "SECUNIA",
              "tags": [],
              "url": "http://secunia.com/advisories/50732"
            },
            {
              "name": "USN-2037-1",
              "refsource": "UBUNTU",
              "tags": [],
              "url": "http://www.ubuntu.com/usn/USN-2037-1"
            },
            {
              "name": "USN-2036-1",
              "refsource": "UBUNTU",
              "tags": [],
              "url": "http://www.ubuntu.com/usn/USN-2036-1"
            },
            {
              "name": "RHSA-2012:0676",
              "refsource": "REDHAT",
              "tags": [],
              "url": "http://rhn.redhat.com/errata/RHSA-2012-0676.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 4.9,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2018-01-05T02:29Z",
      "publishedDate": "2012-05-17T11:00Z"
    }
  }
}


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