{
  "fix": "libxentoolcore1 4.11.3\u002B24-g14b62ab3e5-1ubuntu2.3",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libxentoolcore1-4.11.3-24-g14b62ab3e5-1ubuntu2.3",
  "summary": "libxentoolcore1 4.11.3\u002B24-g14b62ab3e5-1ubuntu2.3, released September 23, 2020, fixes 20 CVEs in libxentoolcore1. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "libxentoolcore1 4.11.3\u002B24-g14b62ab3e5-1ubuntu2.3 for Ubuntu 20.04.3 LTS (focal)",
  "released": "2020-09-23T15:15:00Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 20 CVEs, none high severity",
  "supported": false,
  "cveCount": 20,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0054,
  "maxCvss": 6.5,
  "appliesTo": [
    {
      "product": "libxentoolcore1",
      "productUrl": "https://patchblox.com/security/product/linux/libxentoolcore1",
      "release": "Ubuntu 20.04.3 LTS (focal)",
      "fixedVersion": "4.11.3\u002B24-g14b62ab3e5-1ubuntu2.3",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2020-0543",
      "url": "https://patchblox.com/security/cve/CVE-2020-0543",
      "title": "kernel-uek: ELSA-2020-5756: Unbreakable Enterprise kernel security update (IMPORTANT)",
      "priority": "Routine",
      "severity": "IMPORTANT",
      "cvss": 6.5,
      "epss": 0.0054,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-11743",
      "url": "https://patchblox.com/security/cve/CVE-2020-11743",
      "title": "libxencall1: An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a denial of service because of a bad...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00527,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-25596",
      "url": "https://patchblox.com/security/cve/CVE-2020-25596",
      "title": "libxenmisc4.11: An issue was discovered in Xen through 4.14.x",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00512,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-11740",
      "url": "https://patchblox.com/security/cve/CVE-2020-11740",
      "title": "libxenevtchn1: An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users (without active profiling) to obta...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00434,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-25600",
      "url": "https://patchblox.com/security/cve/CVE-2020-25600",
      "title": "libxencall1: An issue was discovered in Xen through 4.14.x",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00426,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-11741",
      "url": "https://patchblox.com/security/cve/CVE-2020-11741",
      "title": "libxencall1: An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users (with active profiling) to obtain...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00424,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-25601",
      "url": "https://patchblox.com/security/cve/CVE-2020-25601",
      "title": "libxengnttab1: An issue was discovered in Xen through 4.14.x",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00424,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-25603",
      "url": "https://patchblox.com/security/cve/CVE-2020-25603",
      "title": "libxencall1: An issue was discovered in Xen through 4.14.x",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00415,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-15563",
      "url": "https://patchblox.com/security/cve/CVE-2020-15563",
      "title": "libxencall1: An issue was discovered in Xen through 4.13.x, allowing x86 HVM guest OS users to cause a hypervisor crash",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00413,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-11742",
      "url": "https://patchblox.com/security/cve/CVE-2020-11742",
      "title": "libxencall1: An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a denial of service because of bad co...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00409,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-15566",
      "url": "https://patchblox.com/security/cve/CVE-2020-15566",
      "title": "libxencall1: An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a host OS crash because of incorrect...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00409,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-15564",
      "url": "https://patchblox.com/security/cve/CVE-2020-15564",
      "title": "libxenevtchn1: An issue was discovered in Xen through 4.13.x, allowing Arm guest OS users to cause a hypervisor crash because of a m...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00398,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-25595",
      "url": "https://patchblox.com/security/cve/CVE-2020-25595",
      "title": "libxencall1: An issue was discovered in Xen through 4.14.x",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00373,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-15565",
      "url": "https://patchblox.com/security/cve/CVE-2020-15565",
      "title": "libxencall1: An issue was discovered in Xen through 4.13.x, allowing x86 Intel HVM guest OS users to cause a host OS denial of ser...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00364,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-25597",
      "url": "https://patchblox.com/security/cve/CVE-2020-25597",
      "title": "libxencall1: An issue was discovered in Xen through 4.14.x",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00358,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-25602",
      "url": "https://patchblox.com/security/cve/CVE-2020-25602",
      "title": "libxencall1: An issue was discovered in Xen through 4.14.x",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00324,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-11739",
      "url": "https://patchblox.com/security/cve/CVE-2020-11739",
      "title": "libxencall1: An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a denial of service or possibly gain...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00288,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-25599",
      "url": "https://patchblox.com/security/cve/CVE-2020-25599",
      "title": "libxencall1: An issue was discovered in Xen through 4.14.x",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00286,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-15567",
      "url": "https://patchblox.com/security/cve/CVE-2020-15567",
      "title": "libxencall1: An issue was discovered in Xen through 4.13.x, allowing Intel guest OS users to gain privileges or cause a denial of...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00276,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-25604",
      "url": "https://patchblox.com/security/cve/CVE-2020-25604",
      "title": "libxencall1: An issue was discovered in Xen through 4.14.x",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00261,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-14T20:11:19Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}