{
  "cveId": "CVE-2017-15593",
  "url": "https://patchblox.com/security/cve/CVE-2017-15593",
  "summary": "CVE-2017-15593 is fixed in 20 products on 1 platform, first by libxen-4.9 4.9.2-0ubuntu1, released December 12, 2017. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "xen-hypervisor-4.8-arm64: An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (memory leak...",
  "description": "An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (memory leak) because reference counts are mishandled.",
  "published": "2017-10-18T01:29:00Z",
  "severity": "Medium",
  "epss": 0.00391,
  "epssPercentile": 0.33459,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libxen-4.9",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "libxen-4.9 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libxen-4.9-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libxenstore3.0",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "libxenstore3.0 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libxenstore3.0-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-hypervisor-4.6-amd64",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-hypervisor-4.6-amd64 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-hypervisor-4.6-amd64-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-hypervisor-4.6-arm64",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-hypervisor-4.6-arm64 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-hypervisor-4.6-arm64-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-hypervisor-4.6-armhf",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-hypervisor-4.6-armhf 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-hypervisor-4.6-armhf-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-hypervisor-4.7-amd64",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-hypervisor-4.7-amd64 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-hypervisor-4.7-amd64-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-hypervisor-4.7-arm64",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-hypervisor-4.7-arm64 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-hypervisor-4.7-arm64-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-hypervisor-4.7-armhf",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-hypervisor-4.7-armhf 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-hypervisor-4.7-armhf-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-hypervisor-4.8-amd64",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-hypervisor-4.8-amd64 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-hypervisor-4.8-amd64-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-hypervisor-4.8-arm64",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-hypervisor-4.8-arm64 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-hypervisor-4.8-arm64-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-hypervisor-4.8-armhf",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-hypervisor-4.8-armhf 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-hypervisor-4.8-armhf-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-hypervisor-4.9-amd64",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-hypervisor-4.9-amd64 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-hypervisor-4.9-amd64-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-hypervisor-4.9-arm64",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-hypervisor-4.9-arm64 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-hypervisor-4.9-arm64-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-hypervisor-4.9-armhf",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-hypervisor-4.9-armhf 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-hypervisor-4.9-armhf-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-system-amd64",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-system-amd64 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-system-amd64-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-system-arm64",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-system-arm64 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-system-arm64-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-system-armhf",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-system-armhf 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-system-armhf-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-utils-4.9",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-utils-4.9 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-utils-4.9-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xen-utils-common",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xen-utils-common 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xen-utils-common-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xenstore-utils",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.9.2-0ubuntu1",
      "fix": "xenstore-utils 4.9.2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xenstore-utils-4.9.2-0ubuntu1",
      "released": "2017-12-12T15:29:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}