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      "notes": [
        {
          "category": "other",
          "text": "(none)",
          "title": "Statement"
        },
        {
          "category": "description",
          "text": "It was found that the Xen hypervisor implementation did not properly clean memory pages previously allocated by the hypervisor. A privileged guest user could potentially use this flaw to read data relating to other guests or the hypervisor itself.",
          "title": "Vulnerability description"
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2014-4021"
        },
        {
          "category": "external",
          "summary": "nvd.nist.gov",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-4021"
        },
        {
          "category": "external",
          "summary": "www.cve.org",
          "url": "https://www.cve.org/CVERecord?id=CVE-2014-4021"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2014-07-23T16:04:26+00:00",
          "details": "Apply advisory RHSA-2014:0926 as per vendors instructions.",
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          "url": "https://access.redhat.com/errata/RHSA-2014:0926"
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        {
          "cvss_v2": {
            "version": "2.0",
            "vectorString": "AV:A/AC:M/Au:S/C:P/I:N/A:N",
            "baseScore": 2.3
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      ],
      "title": "Hypervisor heap contents leaked to guests (xsa-100)"
    }
  ]
}