gsd-2015-8550
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.
Aliases
Aliases
CVE-2015-8550


To clipboard 

{
  "GSD": {
    "alias": "CVE-2015-8550",
    "description": "Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.",
    "id": "GSD-2015-8550",
    "references": [
      "https://www.suse.com/security/cve/CVE-2015-8550.html",
      "https://www.debian.org/security/2016/dsa-3519",
      "https://www.debian.org/security/2016/dsa-3471",
      "https://www.debian.org/security/2016/dsa-3434",
      "https://ubuntu.com/security/CVE-2015-8550",
      "https://advisories.mageia.org/CVE-2015-8550.html",
      "https://linux.oracle.com/cve/CVE-2015-8550.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2015-8550"
      ],
      "details": "Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.",
      "id": "GSD-2015-8550",
      "modified": "2023-12-13T01:20:03.436419Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "STATE": "PUBLIC"
      },
      "affects": {
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          },
          {
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          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*",
                "cpe_name": [],
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              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
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            }
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        },
        "problemtype": {
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              "description": [
                {
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                  "value": "CWE-284"
                }
              ]
            }
          ]
        },
        "references": {
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            {
              "name": "79592",
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            },
            {
              "name": "http://xenbits.xen.org/xsa/advisory-155.html",
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              "url": "http://xenbits.xen.org/xsa/advisory-155.html"
            },
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            },
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              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html"
            },
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              "url": "http://www.debian.org/security/2016/dsa-3519"
            },
            {
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              "url": "https://security.gentoo.org/glsa/201604-03"
            },
            {
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            },
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              "tags": [],
              "url": "http://www.debian.org/security/2016/dsa-3434"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": true,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "SINGLE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 5.7,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.1,
          "impactScore": 8.5,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 1.5,
          "impactScore": 6.0
        }
      },
      "lastModifiedDate": "2017-11-04T01:29Z",
      "publishedDate": "2016-04-14T14:59Z"
    }
  }
}


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