FKIE_CVE-2014-5146

Vulnerability from fkie_nvd - Published: 2014-08-22 14:55 - Updated: 2025-04-12 10:46
Severity ?
Summary
Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5149.
References
cve@mitre.orghttp://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html
cve@mitre.orghttp://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.htmlThird Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.htmlThird Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/69198Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.securitytracker.com/id/1030723Third Party Advisory, VDB Entry
cve@mitre.orghttp://xenbits.xen.org/xsa/advisory-97.htmlPatch, Vendor Advisory
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/95234
cve@mitre.orghttps://security.gentoo.org/glsa/201504-04
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/69198Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1030723Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/xsa/advisory-97.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/95234
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201504-04
Impacted products
Vendor Product Version
opensuse opensuse 13.1
opensuse opensuse 13.2
xen xen 4.2.0
xen xen 4.2.1
xen xen 4.2.2
xen xen 4.2.3
xen xen 4.3.0
xen xen 4.3.1
xen xen 4.4.0
To clipboard 

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      "value": "Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5149."
    },
    {
      "lang": "es",
      "value": "Ciertas operaciones de la virtualizaci\u00f3n MMU en Xen 4.2.x hasta 4.4.x anterior al patch xsa97-hap, cuando utiliza Hardware Assisted Paging (HAP), no son preferentes, lo que permite a hu\u00e9spedes locales HVM causar una denegaci\u00f3n de servicio (consumo de vcpu) mediante la invocaci\u00f3n de estas operaciones, las cuales procesan cada p\u00e1gina asignada a un hu\u00e9sped, una vulnerabilidad diferente a CVE-2014-5149."
    }
  ],
  "id": "CVE-2014-5146",
  "lastModified": "2025-04-12T10:46:40.837",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 4.7,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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  },
  "published": "2014-08-22T14:55:08.283",
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      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html"
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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Detection rules are retrieved from Rulezet.