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CVE-2026-86566

🗓️ 14 Oct 2026 17:52:01Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 43 Views

Underflow in DPDK lib/vhost vhost enqueue leads to DoS in shared vhost backends.

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Detection
Affected
Refs
Vulners
Node
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "dpdk",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "2:25.11-2.el10_2",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10.2"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "dpdk",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "2:25.11-2.el9_8",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "grout",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch3.5",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch3.6",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch2.11",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch2.12",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch2.13",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch2.15",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch2.16",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch2.17",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch3.1",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "grout",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch2.17",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch3.0",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch3.1",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch3.2",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch3.3",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch3.4",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch3.5",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Fast Datapath for RHEL 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch3.6",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9::fastdatapath"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "dpdk",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch2.17",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch3.0",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch3.1",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenStack Platform 13 (Queens)",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openvswitch",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openstack:13"
    ]
  }
]

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06 Nov 2026 01:18Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
EPSS0.00171
SSVC
43