FKIE_CVE-2017-12188

Vulnerability from fkie_nvd - Published: 2017-10-11 15:29 - Updated: 2025-04-20 01:37
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Summary
arch/x86/kvm/mmu.c in the Linux kernel through 4.13.5, when nested virtualisation is used, does not properly traverse guest pagetable entries to resolve a guest virtual address, which allows L1 guest OS users to execute arbitrary code on the host OS or cause a denial of service (incorrect index during page walking, and host OS crash), aka an "MMU potential stack buffer overrun."
References
secalert@redhat.comhttp://www.securityfocus.com/bid/101267Third Party Advisory, VDB Entry
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:0395Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:0412Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1500380Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://patchwork.kernel.org/patch/9996579/Issue Tracking, Patch, Vendor Advisory
secalert@redhat.comhttps://patchwork.kernel.org/patch/9996587/Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/101267Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:0395Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:0412Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1500380Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://patchwork.kernel.org/patch/9996579/Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://patchwork.kernel.org/patch/9996587/Issue Tracking, Patch, Vendor Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F0E25B55-0789-46C4-B6CE-566CA50BB866",
              "versionEndExcluding": "4.9.57",
              "versionStartIncluding": "4.6",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0CD397D8-C278-45DC-A0B3-ABBC73A74ED7",
              "versionEndExcluding": "4.13.8",
              "versionStartIncluding": "4.10",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "arch/x86/kvm/mmu.c in the Linux kernel through 4.13.5, when nested virtualisation is used, does not properly traverse guest pagetable entries to resolve a guest virtual address, which allows L1 guest OS users to execute arbitrary code on the host OS or cause a denial of service (incorrect index during page walking, and host OS crash), aka an \"MMU potential stack buffer overrun.\""
    },
    {
      "lang": "es",
      "value": "arch/x86/kvm/mmu.c en el kernel de Linux hasta 4.13.5, cuando se utiliza la virtualizaci\u00f3n anidada, no atraviesa adecuadamente las entradas de la tabla de p\u00e1ginas invitadas para resolver una direcci\u00f3n virtual invitada, lo que permite a los usuarios del sistema operativo invitado L1 ejecutar c\u00f3digo arbitrario en el sistema operativo host o provocar una denegaci\u00f3n de servicio (\u00edndice incorrecto durante el recorrido de la p\u00e1gina y falla del sistema operativo host), tambi\u00e9n conocido como \"potencial desbordamiento de b\u00fafer en la regi\u00f3n stack de la memoria de MMU\"."
    }
  ],
  "id": "CVE-2017-12188",
  "lastModified": "2025-04-20T01:37:25.860",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.9,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.1,
        "impactScore": 6.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  },
  "published": "2017-10-11T15:29:00.180",
  "references": [
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      "source": "secalert@redhat.com",
      "tags": [
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  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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