FKIE_CVE-2014-8594

Vulnerability from fkie_nvd - Published: 2014-11-19 18:59 - Updated: 2025-04-12 10:46
Severity ?
Summary
The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).
References
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://secunia.com/advisories/62672Permissions Required
cve@mitre.orghttp://www.debian.org/security/2015/dsa-3140Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/71149
cve@mitre.orghttp://xenbits.xen.org/xsa/advisory-109.htmlPatch, Vendor Advisory
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/98767
cve@mitre.orghttps://security.gentoo.org/glsa/201504-04
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://secunia.com/advisories/62672Permissions Required
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2015/dsa-3140Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/71149
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/xsa/advisory-109.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/98767
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201504-04
Impacted products
Vendor Product Version
opensuse opensuse 13.1
opensuse opensuse 13.2
debian debian_linux 7.0
xen xen 4.0.0
xen xen 4.0.1
xen xen 4.0.2
xen xen 4.0.3
xen xen 4.0.4
xen xen 4.1.0
xen xen 4.1.1
xen xen 4.1.2
xen xen 4.1.3
xen xen 4.1.4
xen xen 4.1.5
xen xen 4.1.6.1
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
To clipboard 

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  "cveTags": [],
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      "lang": "en",
      "value": "The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP)."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n do_mmu_update en arch/x86/mm.c en Xen 4.x hasta la versi\u00f3n 4.4.x no restringe adecuadamente las actualizaciones a las tablas de p\u00e1gina s\u00f3lo para PV, lo que permite a invitados PV remotos provocar una denegaci\u00f3n de servicio (referencia a puntero NULL) aprovechando los servicios de emulaci\u00f3n de hardware para invitados HVM que utilizan Hardware Assisted Paging (HAP)."
    }
  ],
  "id": "CVE-2014-8594",
  "lastModified": "2025-04-12T10:46:40.837",
  "metrics": {
    "cvssMetricV2": [
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "HIGH",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 5.4,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
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        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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  "published": "2014-11-19T18:59:10.533",
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}


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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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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