FKIE_CVE-2017-12134

Vulnerability from fkie_nvd - Published: 2017-08-24 14:29 - Updated: 2025-04-20 01:37
Severity ?
8.8 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Summary
The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation.
References
cve@mitre.orghttp://www.debian.org/security/2017/dsa-3981
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2017/08/15/4Mailing List, Mitigation, Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/100343Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.securitytracker.com/id/1039176Third Party Advisory, VDB Entry
cve@mitre.orghttp://xenbits.xen.org/xsa/advisory-229.htmlMitigation, Patch, Vendor Advisory
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=1477656Issue Tracking, Mitigation, Patch, Third Party Advisory
cve@mitre.orghttps://security.gentoo.org/glsa/201801-14
cve@mitre.orghttps://support.citrix.com/article/CTX225941Patch, Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3655-1/
cve@mitre.orghttps://usn.ubuntu.com/3655-2/
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2017/dsa-3981
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2017/08/15/4Mailing List, Mitigation, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/100343Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1039176Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/xsa/advisory-229.htmlMitigation, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1477656Issue Tracking, Mitigation, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201801-14
af854a3a-2127-422b-91ae-364da2661108https://support.citrix.com/article/CTX225941Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3655-1/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3655-2/
Impacted products
Vendor Product Version
xen xen *
citrix xenserver 6.0.2
citrix xenserver 6.2.0
citrix xenserver 6.5
citrix xenserver 7.0
citrix xenserver 7.1
citrix xenserver 7.2
To clipboard 

{
  "configurations": [
    {
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        {
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              "matchCriteriaId": "C2B9CCC2-BAC5-4A65-B8D4-4B71EBBA0C2F",
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    {
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              "vulnerable": true
            },
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              "matchCriteriaId": "BCEA97B9-A443-4F87-81B4-B3F0E94AC18E",
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              "matchCriteriaId": "405F950F-0772-41A3-8B72-B67151CC1376",
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              "matchCriteriaId": "B5647AEA-DCE6-4950-A7EB-05465ECDDE16",
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n xen_biovec_phys_mergeable en drivers/xen/biomerge.c en Xen podr\u00eda permitir que usuarios invitados locales del sistema operativo corrompan transmisiones en bloque de datos del sistema y, consecuentemente, obtengan informaci\u00f3n sensible de la memoria, provoquen una denegaci\u00f3n de servicio o consigan privilegios del SO mediante el aprovechamiento del c\u00e1lculo incorrecto de block IO merge-ability."
    }
  ],
  "id": "CVE-2017-12134",
  "lastModified": "2025-04-20T01:37:25.860",
  "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
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    ],
    "cvssMetricV30": [
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          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
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          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.0,
        "impactScore": 6.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  },
  "published": "2017-08-24T14:29:00.193",
  "references": [
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      "url": "http://www.debian.org/security/2017/dsa-3981"
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
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          "value": "CWE-682"
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      "source": "nvd@nist.gov",
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  ]
}


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