FKIE_CVE-2015-8553

Vulnerability from fkie_nvd - Published: 2016-04-13 15:59 - Updated: 2026-06-17 00:34
Severity
6.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Summary
Xen allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory by not enabling memory and I/O decoding control bits. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-0777.
References
cve@mitre.orghttp://xenbits.xen.org/xsa/advisory-120.htmlPatch, Vendor Advisory
cve@mitre.orghttps://seclists.org/bugtraq/2019/Aug/18
cve@mitre.orghttps://www.debian.org/security/2019/dsa-4497
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/xsa/advisory-120.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/bugtraq/2019/Aug/18
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2019/dsa-4497
Impacted products
Vendor Product Version
xen xen -
redhat enterprise_linux 5
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "BFA1950D-1D9F-4401-AA86-CF3028EFD286",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
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              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
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    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Xen allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory by not enabling memory and I/O decoding control bits.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-0777."
    },
    {
      "lang": "es",
      "value": "Xen permite a usuarios del SO invitado obtener informaci\u00f3n sensible de localizaciones no inicializadas en memoria kernel del SO anfitri\u00f3n impidiendo la decodificaci\u00f3n de bits de control de memoria y I/O. NOTA: esta vulnerabilidad existe por una soluci\u00f3n incompleta para CVE-2015-0777."
    }
  ],
  "id": "CVE-2015-8553",
  "lastModified": "2026-06-17T00:34:45.683",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.1,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
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        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
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          "confidentialityImpact": "HIGH",
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          "scope": "CHANGED",
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    "cvssMetricV31": [
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          "confidentialityImpact": "HIGH",
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          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
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        "impactScore": 4.0,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
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    "ssvcV203": [
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        "ssvcData": {
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          "options": [
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          "role": "CISA Coordinator",
          "timestamp": "2026-05-26T17:44:39.543976Z",
          "version": "2.0.3"
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  },
  "published": "2016-04-13T15:59:07.307",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
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      "url": "http://xenbits.xen.org/xsa/advisory-120.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://seclists.org/bugtraq/2019/Aug/18"
    },
    {
      "source": "cve@mitre.org",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
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      "url": "https://seclists.org/bugtraq/2019/Aug/18"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.debian.org/security/2019/dsa-4497"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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          "value": "CWE-200"
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      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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