FKIE_CVE-2009-4004

Vulnerability from fkie_nvd - Published: 2009-11-20 02:30 - Updated: 2026-06-16 23:12
Summary
Buffer overflow in the kvm_vcpu_ioctl_x86_setup_mce function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.32-rc7 allows local users to cause a denial of service (memory corruption) or possibly gain privileges via a KVM_X86_SETUP_MCE IOCTL request that specifies a large number of Machine Check Exception (MCE) banks.
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 2.6.32
linux linux_kernel 2.6.32
linux linux_kernel 2.6.32
linux linux_kernel 2.6.32
linux linux_kernel 2.6.32
linux linux_kernel 2.6.32
linux linux_kernel 2.6.32

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BEC4349F-7F67-435F-8909-94648A0E8F90",
              "versionEndIncluding": "2.6.31.14",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:-:*:*:*:*:*:*",
              "matchCriteriaId": "37B2E2B1-3E39-4DBA-817D-08F34D9F6E53",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "C85D4E0A-14DA-4884-AF6F-A0F54304430F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "1C8471AA-44D7-4D19-82B6-C4B999C65F97",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "218DE1D1-3843-4076-9AE4-70AA0FD99B3E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc4:*:*:*:*:*:*",
              "matchCriteriaId": "2677114B-AF05-42EB-BBC8-FA85CD631C21",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc5:*:*:*:*:*:*",
              "matchCriteriaId": "FA8D64E1-A700-4D9E-9063-EC3CFC1A6D98",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc6:*:*:*:*:*:*",
              "matchCriteriaId": "1B6C0A59-556F-4579-9AD2-4ABAE01FE2CF",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in the kvm_vcpu_ioctl_x86_setup_mce function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.32-rc7 allows local users to cause a denial of service (memory corruption) or possibly gain privileges via a KVM_X86_SETUP_MCE IOCTL request that specifies a large number of Machine Check Exception (MCE) banks."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de b\u00fafer en la funci\u00f3n kvm_vcpu_ioctl_x86_setup_mce en arch/x86/kvm/x86.c en el subsistema KVM en el kernel de Linux anteriores a v2.6.32-rc7 permite a los usuarios locales causar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria) o posiblemente obtener privilegios a trav\u00e9s de una petici\u00f3n KVM_X86_SETUP_MCE IOCTL que especifica un elevado n\u00famero de bancos de Machine Check Exception (MCE)."
    }
  ],
  "id": "CVE-2009-4004",
  "lastModified": "2026-06-16T23:12:48.373",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2009-11-20T02:30:00.670",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9e38c3e01ad242fe2a625354cf065c34b01e3aa"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/37357"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc7"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/37035"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.vupen.com/english/advisories/2009/3267"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/54302"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9e38c3e01ad242fe2a625354cf065c34b01e3aa"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/37357"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc7"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/37035"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.vupen.com/english/advisories/2009/3267"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/54302"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vendorComments": [
    {
      "comment": "Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, and Red Hat Enterprise MRG as KVM (Kernel-based Virtual Machine) is only supported in Red Hat Enterprise Linux 5.\n\nRed Hat Enterprise Linux 5 is not vulnerable to this issue because it does not include the change that introduced this buffer overflow vulnerability.",
      "lastModified": "2009-11-20T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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