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CVE-2016-9385 (GCVE-0-2016-9385)

Vulnerability from cvelistv5 – Published: 2017-01-23 21:00 – Updated: 2024-08-06 02:50
VLAI
Summary
The x86 segment base write emulation functionality in Xen 4.4.x through 4.7.x allows local x86 PV guest OS administrators to cause a denial of service (host crash) by leveraging lack of canonical address checks.
CWE
  • n/a
References
URL Tags
https://security.gentoo.org/glsa/201612-56 vendor-advisoryx_refsource_GENTOO
http://www.securityfocus.com/bid/94472 vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1037342 vdb-entryx_refsource_SECTRACK
https://support.citrix.com/article/CTX218775 x_refsource_CONFIRM
http://xenbits.xen.org/xsa/advisory-193.html x_refsource_CONFIRM
Date Public
2016-11-22 00:00
Show details on NVD website

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            "value": "The x86 segment base write emulation functionality in Xen 4.4.x through 4.7.x allows local x86 PV guest OS administrators to cause a denial of service (host crash) by leveraging lack of canonical address checks."
          },
          {
            "lang": "es",
            "value": "La funcionalidad de emulaci\u00f3n de escritura de base de segmento x86 en Xen 4.4.x hasta la versi\u00f3n 4.7.x permite a administradores locales del SO invitado x86 PV provocar una denegaci\u00f3n de servicio (ca\u00edda del host) aprovechando la falta de verificaci\u00f3n de direcciones can\u00f3nicas."
          }
        ],
        "id": "CVE-2016-9385",
        "lastModified": "2026-05-13T00:24:29.033",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 4.9,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 6.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 6.0,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "HIGH",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",
                "version": "3.0"
              },
              "exploitabilityScore": 1.5,
              "impactScore": 4.0,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2017-01-23T21:59:02.907",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/94472"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securitytracker.com/id/1037342"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "http://xenbits.xen.org/xsa/advisory-193.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://security.gentoo.org/glsa/201612-56"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Patch",
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "https://support.citrix.com/article/CTX218775"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/94472"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securitytracker.com/id/1037342"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "http://xenbits.xen.org/xsa/advisory-193.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://security.gentoo.org/glsa/201612-56"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "https://support.citrix.com/article/CTX218775"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-05-13T01:34:16+00:00",
      "cve": "CVE-2016-9385",
      "id": "CVE-2016-9385",
      "initial_release_date": "2016-11-22T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "xen: x86 segment base write emulation lacking canonical address checks (XSA-193)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-9385.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-01T02:09:03Z",
      "cve": "CVE-2016-9385",
      "id": "CVE-2016-9385",
      "initial_release_date": "2023-02-15T04:55:57Z",
      "product_status:known_affected": "333",
      "product_status:known_not_affected": "4",
      "product_status:recommended": "485",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2016-9385",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-9385.json",
      "version": "32"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • 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.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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