fkie_cve-2014-7155
Vulnerability from fkie_nvd
Published
2014-10-02 14:55
Modified
2025-04-12 10:46
Severity ?
Summary
The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction.
References
cve@mitre.orghttp://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.htmlThird Party Advisory
cve@mitre.orghttp://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.htmlThird Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.htmlThird Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.htmlThird Party Advisory
cve@mitre.orghttp://secunia.com/advisories/61858
cve@mitre.orghttp://secunia.com/advisories/61890
cve@mitre.orghttp://security.gentoo.org/glsa/glsa-201412-42.xml
cve@mitre.orghttp://support.citrix.com/article/CTX200218Third Party Advisory
cve@mitre.orghttp://www.debian.org/security/2014/dsa-3041Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/70057Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.securitytracker.com/id/1030888Third Party Advisory, VDB Entry
cve@mitre.orghttp://xenbits.xen.org/xsa/advisory-105.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/61858
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/61890
af854a3a-2127-422b-91ae-364da2661108http://security.gentoo.org/glsa/glsa-201412-42.xml
af854a3a-2127-422b-91ae-364da2661108http://support.citrix.com/article/CTX200218Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2014/dsa-3041Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/70057Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1030888Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/xsa/advisory-105.htmlPatch, Vendor Advisory
Impacted products
Vendor Product Version
xen xen *
xen xen 3.0.2
xen xen 3.0.3
xen xen 3.0.4
xen xen 3.1.3
xen xen 3.1.4
xen xen 3.2.0
xen xen 3.2.1
xen xen 3.2.2
xen xen 3.2.3
xen xen 3.3.0
xen xen 3.3.1
xen xen 3.3.2
xen xen 3.4.0
xen xen 3.4.1
xen xen 3.4.2
xen xen 3.4.3
xen xen 3.4.4
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
xen xen 4.4.0
xen xen 4.4.0
debian debian_linux 7.0
fedoraproject fedora 19
fedoraproject fedora 20
opensuse opensuse 12.3
opensuse opensuse 13.1


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction."
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    }
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  "id": "CVE-2014-7155",
  "lastModified": "2025-04-12T10:46:40.837",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "ADJACENT_NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 6.5,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
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  },
  "published": "2014-10-02T14:55:05.120",
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  "vulnStatus": "Deferred",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-264"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.