{
  "threat_severity" : "Important",
  "public_date" : "2021-02-10T00:00:00Z",
  "bugzilla" : {
    "description" : "openvswitch: limitation in the OVS packet parsing in userspace leads to DoS",
    "id" : "1908845",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1908845"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-400",
  "details" : [ "A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.", "A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability." ],
  "statement" : "Red Hat OpenStack Platform 13's openvswitch package will receive it's fixes from Fast Datapath.",
  "acknowledgement" : "Red Hat would like to thank Joakim Hindersson <joakim.hindersson@elastx.se> for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "Fast Datapath for Red Hat Enterprise Linux 7",
    "release_date" : "2021-03-15T00:00:00Z",
    "advisory" : "RHSA-2021:0834",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7::fastdatapath",
    "package" : "openvswitch2.11-0:2.11.3-86.el7fdp",
    "impact" : "moderate"
  }, {
    "product_name" : "Fast Datapath for Red Hat Enterprise Linux 7",
    "release_date" : "2021-03-15T00:00:00Z",
    "advisory" : "RHSA-2021:0835",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7::fastdatapath",
    "package" : "openvswitch2.13-0:2.13.0-81.el7fdp",
    "impact" : "moderate"
  }, {
    "product_name" : "Fast Datapath for Red Hat Enterprise Linux 7",
    "release_date" : "2021-05-20T00:00:00Z",
    "advisory" : "RHSA-2021:2077",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7::fastdatapath",
    "package" : "openvswitch-0:2.9.9-1.el7fdp",
    "impact" : "moderate"
  }, {
    "product_name" : "Fast Datapath for Red Hat Enterprise Linux 8",
    "release_date" : "2021-02-11T00:00:00Z",
    "advisory" : "RHSA-2021:0497",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8::fastdatapath",
    "package" : "openvswitch2.13-0:2.13.0-79.5.el8fdp",
    "impact" : "moderate"
  }, {
    "product_name" : "Fast Datapath for Red Hat Enterprise Linux 8",
    "release_date" : "2021-03-15T00:00:00Z",
    "advisory" : "RHSA-2021:0837",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8::fastdatapath",
    "package" : "openvswitch2.11-0:2.11.3-83.el8fdp",
    "impact" : "moderate"
  }, {
    "product_name" : "Red Hat OpenStack Platform 13.0 (Queens)",
    "release_date" : "2021-06-16T00:00:00Z",
    "advisory" : "RHSA-2021:2456",
    "cpe" : "cpe:/a:redhat:openstack:13::el7",
    "package" : "openvswitch2.11-0:2.11.3-86.el7fdp",
    "impact" : "moderate"
  }, {
    "product_name" : "Red Hat Virtualization 4.2 for Red Hat Enterprise Linux 7.6 EUS",
    "release_date" : "2021-05-20T00:00:00Z",
    "advisory" : "RHSA-2021:2077",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7::hypervisor",
    "package" : "openvswitch-0:2.9.9-1.el7fdp",
    "impact" : "moderate"
  }, {
    "product_name" : "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7",
    "release_date" : "2021-03-31T00:00:00Z",
    "advisory" : "RHSA-2021:1050",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7::hypervisor",
    "package" : "openvswitch2.11-0:2.11.3-86.el7fdp",
    "impact" : "moderate"
  }, {
    "product_name" : "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7",
    "release_date" : "2021-03-31T00:00:00Z",
    "advisory" : "RHSA-2021:1050",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7::hypervisor",
    "package" : "ovn2.11-0:2.11.1-57.el7fdp",
    "impact" : "moderate"
  } ],
  "package_state" : [ {
    "product_name" : "Fast Datapath for RHEL 7",
    "fix_state" : "Out of support scope",
    "package_name" : "openvswitch2.10",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7::fastdatapath",
    "impact" : "moderate"
  }, {
    "product_name" : "Fast Datapath for RHEL 7",
    "fix_state" : "Out of support scope",
    "package_name" : "openvswitch2.12",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7::fastdatapath",
    "impact" : "moderate"
  }, {
    "product_name" : "Fast Datapath for RHEL 8",
    "fix_state" : "Out of support scope",
    "package_name" : "openvswitch2.12",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8::fastdatapath",
    "impact" : "moderate"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Affected",
    "package_name" : "openvswitch2.13",
    "cpe" : "cpe:/a:redhat:openshift:4",
    "impact" : "moderate"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openvswitch2.15",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenStack Platform 10 (Newton)",
    "fix_state" : "Out of support scope",
    "package_name" : "openvswitch",
    "cpe" : "cpe:/a:redhat:openstack:10",
    "impact" : "moderate"
  }, {
    "product_name" : "Red Hat OpenStack Platform 13 (Queens)",
    "fix_state" : "Out of support scope",
    "package_name" : "openvswitch",
    "cpe" : "cpe:/a:redhat:openstack:13",
    "impact" : "moderate"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2020-35498\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-35498\nhttps://www.openwall.com/lists/oss-security/2021/02/10/4" ],
  "name" : "CVE-2020-35498",
  "csaw" : false
}