CVE-2023-3966 (GCVE-0-2023-3966)

Vulnerability from cvelistv5 – Published: 2024-02-22 12:15 – Updated: 2025-02-13 17:03
VLAI?
Title
Openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet
Summary
A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a openvswitch Unaffected: 3.1.0
Red Hat Fast Datapath for RHEL 7     cpe:/o:redhat:enterprise_linux:7::fastdatapath
 Create a notification for this product.
Red Hat Fast Datapath for RHEL 7     cpe:/o:redhat:enterprise_linux:7::fastdatapath
 Create a notification for this product.
Red Hat Fast Datapath for RHEL 7     cpe:/o:redhat:enterprise_linux:7::fastdatapath
 Create a notification for this product.
Red Hat Fast Datapath for RHEL 7     cpe:/o:redhat:enterprise_linux:7::fastdatapath
 Create a notification for this product.
Red Hat Fast Datapath for RHEL 7     cpe:/o:redhat:enterprise_linux:7::fastdatapath
 Create a notification for this product.
Red Hat Fast Datapath for RHEL 8     cpe:/o:redhat:enterprise_linux:8::fastdatapath
 Create a notification for this product.
Red Hat Fast Datapath for RHEL 8     cpe:/o:redhat:enterprise_linux:8::fastdatapath
 Create a notification for this product.
Red Hat Fast Datapath for RHEL 8     cpe:/o:redhat:enterprise_linux:8::fastdatapath
 Create a notification for this product.
Red Hat Fast Datapath for RHEL 8     cpe:/o:redhat:enterprise_linux:8::fastdatapath
 Create a notification for this product.
Red Hat Fast Datapath for RHEL 8     cpe:/o:redhat:enterprise_linux:8::fastdatapath
 Create a notification for this product.
Red Hat Fast Datapath for RHEL 8     cpe:/o:redhat:enterprise_linux:8::fastdatapath
 Create a notification for this product.
Red Hat Fast Datapath for RHEL 8     cpe:/o:redhat:enterprise_linux:8::fastdatapath
 Create a notification for this product.
Red Hat Fast Datapath for RHEL 9     cpe:/o:redhat:enterprise_linux:9::fastdatapath
 Create a notification for this product.
Red Hat Fast Datapath for RHEL 9     cpe:/o:redhat:enterprise_linux:9::fastdatapath
 Create a notification for this product.
Red Hat Fast Datapath for RHEL 9     cpe:/o:redhat:enterprise_linux:9::fastdatapath
 Create a notification for this product.
Red Hat Fast Datapath for RHEL 9     cpe:/o:redhat:enterprise_linux:9::fastdatapath
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
Red Hat Red Hat OpenShift Container Platform 3.11     cpe:/a:redhat:openshift:3.11
 Create a notification for this product.
RDO OpenStack RDO Create a notification for this product.
Fedora Fedora Create a notification for this product.
Date Public ?
2024-02-08 00:00
Credits
This issue was discovered by Haresh Khandelwal (Red Hat) and Timothy Redaelli (Red Hat).
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-3966",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-02-22T15:42:09.680379Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-07-26T18:14:22.101Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T07:08:50.792Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "vdb-entry",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/security/cve/CVE-2023-3966"
          },
          {
            "name": "RHBZ#2178363",
            "tags": [
              "issue-tracking",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2178363"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "openvswitch",
          "vendor": "n/a",
          "versions": [
            {
              "status": "unaffected",
              "version": "3.1.0"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:7::fastdatapath"
          ],
          "defaultStatus": "affected",
          "packageName": "openvswitch",
          "product": "Fast Datapath for RHEL 7",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:7::fastdatapath"
          ],
          "defaultStatus": "unknown",
          "packageName": "openvswitch2.10",
          "product": "Fast Datapath for RHEL 7",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:7::fastdatapath"
          ],
          "defaultStatus": "unknown",
          "packageName": "openvswitch2.11",
          "product": "Fast Datapath for RHEL 7",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:7::fastdatapath"
          ],
          "defaultStatus": "unknown",
          "packageName": "openvswitch2.12",
          "product": "Fast Datapath for RHEL 7",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:7::fastdatapath"
          ],
          "defaultStatus": "affected",
          "packageName": "openvswitch2.13",
          "product": "Fast Datapath for RHEL 7",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:8::fastdatapath"
          ],
          "defaultStatus": "unknown",
          "packageName": "openvswitch2.11",
          "product": "Fast Datapath for RHEL 8",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:8::fastdatapath"
          ],
          "defaultStatus": "unknown",
          "packageName": "openvswitch2.12",
          "product": "Fast Datapath for RHEL 8",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:8::fastdatapath"
          ],
          "defaultStatus": "affected",
          "packageName": "openvswitch2.13",
          "product": "Fast Datapath for RHEL 8",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:8::fastdatapath"
          ],
          "defaultStatus": "affected",
          "packageName": "openvswitch2.15",
          "product": "Fast Datapath for RHEL 8",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:8::fastdatapath"
          ],
          "defaultStatus": "unknown",
          "packageName": "openvswitch2.16",
          "product": "Fast Datapath for RHEL 8",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:8::fastdatapath"
          ],
          "defaultStatus": "affected",
          "packageName": "openvswitch2.17",
          "product": "Fast Datapath for RHEL 8",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:8::fastdatapath"
          ],
          "defaultStatus": "affected",
          "packageName": "openvswitch3.1",
          "product": "Fast Datapath for RHEL 8",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:9::fastdatapath"
          ],
          "defaultStatus": "affected",
          "packageName": "openvswitch2.17",
          "product": "Fast Datapath for RHEL 9",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:9::fastdatapath"
          ],
          "defaultStatus": "unknown",
          "packageName": "openvswitch3.0",
          "product": "Fast Datapath for RHEL 9",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:9::fastdatapath"
          ],
          "defaultStatus": "affected",
          "packageName": "openvswitch3.1",
          "product": "Fast Datapath for RHEL 9",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:9::fastdatapath"
          ],
          "defaultStatus": "affected",
          "packageName": "openvswitch3.2",
          "product": "Fast Datapath for RHEL 9",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:7"
          ],
          "defaultStatus": "affected",
          "packageName": "openvswitch",
          "product": "Red Hat Enterprise Linux 7",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:openshift:3.11"
          ],
          "defaultStatus": "unaffected",
          "packageName": "openvswitch-ovn-kubernetes",
          "product": "Red Hat OpenShift Container Platform 3.11",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://repos.fedorapeople.org/repos/openstack/",
          "defaultStatus": "affected",
          "packageName": "rdo-openvswitch",
          "product": "OpenStack RDO",
          "vendor": "RDO"
        },
        {
          "collectionURL": "https://packages.fedoraproject.org/",
          "defaultStatus": "affected",
          "packageName": "openvswitch",
          "product": "Fedora",
          "vendor": "Fedora"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "This issue was discovered by Haresh Khandelwal (Red Hat) and Timothy Redaelli (Red Hat)."
        }
      ],
      "datePublic": "2024-02-08T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "namespace": "https://access.redhat.com/security/updates/classification/",
              "value": "Important"
            },
            "type": "Red Hat severity rating"
          }
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-248",
              "description": "Uncaught Exception",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-03-23T02:06:40.529Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "vdb-entry",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/security/cve/CVE-2023-3966"
        },
        {
          "name": "RHBZ#2178363",
          "tags": [
            "issue-tracking",
            "x_refsource_REDHAT"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2178363"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2023-03-14T00:00:00.000Z",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2024-02-08T00:00:00.000Z",
          "value": "Made public."
        }
      ],
      "title": "Openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet",
      "x_redhatCweChain": "CWE-248: Uncaught Exception"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2023-3966",
    "datePublished": "2024-02-22T12:15:53.128Z",
    "dateReserved": "2023-07-26T23:16:24.169Z",
    "dateUpdated": "2025-02-13T17:03:14.623Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-3966",
      "date": "2026-05-24",
      "epss": "0.00045",
      "percentile": "0.13802"
    },
    "fkie_nvd": {
      "descriptions": "[{\"lang\": \"en\", \"value\": \"A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled.\"}, {\"lang\": \"es\", \"value\": \"Se encontr\\u00f3 una falla en Open vSwitch donde varias versiones son vulnerables a paquetes Geneve manipulados, lo que puede resultar en una denegaci\\u00f3n de servicio y accesos a memoria no v\\u00e1lidos. Para desencadenar este problema es necesario que la descarga de hardware a trav\\u00e9s de la ruta de enlace de red est\\u00e9 habilitada.\"}]",
      "id": "CVE-2023-3966",
      "lastModified": "2024-11-21T08:18:25.007",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"secalert@redhat.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 3.6}]}",
      "published": "2024-02-22T13:15:07.770",
      "references": "[{\"url\": \"https://access.redhat.com/security/cve/CVE-2023-3966\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2178363\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"https://access.redhat.com/security/cve/CVE-2023-3966\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2178363\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Awaiting Analysis",
      "weaknesses": "[{\"source\": \"secalert@redhat.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-248\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-3966\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2024-02-22T13:15:07.770\",\"lastModified\":\"2025-05-16T14:17:01.290\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled.\"},{\"lang\":\"es\",\"value\":\"Se encontr\u00f3 una falla en Open vSwitch donde varias versiones son vulnerables a paquetes Geneve manipulados, lo que puede resultar en una denegaci\u00f3n de servicio y accesos a memoria no v\u00e1lidos. Para desencadenar este problema es necesario que la descarga de hardware a trav\u00e9s de la ruta de enlace de red est\u00e9 habilitada.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-248\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"3.1.0\",\"matchCriteriaId\":\"9237AD53-749F-4A2B-9D35-EFF735E172D6\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CA277A6C-83EC-4536-9125-97B84C4FAF59\"}]}]}],\"references\":[{\"url\":\"https://access.redhat.com/security/cve/CVE-2023-3966\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=2178363\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\"]},{\"url\":\"https://access.redhat.com/security/cve/CVE-2023-3966\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=2178363\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://access.redhat.com/security/cve/CVE-2023-3966\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\", \"x_transferred\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2178363\", \"name\": \"RHBZ#2178363\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\", \"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T07:08:50.792Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-3966\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-02-22T15:42:09.680379Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-07-26T18:14:19.309Z\"}}], \"cna\": {\"title\": \"Openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet\", \"credits\": [{\"lang\": \"en\", \"value\": \"This issue was discovered by Haresh Khandelwal (Red Hat) and Timothy Redaelli (Red Hat).\"}], \"metrics\": [{\"other\": {\"type\": \"Red Hat severity rating\", \"content\": {\"value\": \"Important\", \"namespace\": \"https://access.redhat.com/security/updates/classification/\"}}}, {\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"n/a\", \"product\": \"openvswitch\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"3.1.0\"}]}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:7::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 7\", \"packageName\": \"openvswitch\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:7::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 7\", \"packageName\": \"openvswitch2.10\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:7::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 7\", \"packageName\": \"openvswitch2.11\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:7::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 7\", \"packageName\": \"openvswitch2.12\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:7::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 7\", \"packageName\": \"openvswitch2.13\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:8::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 8\", \"packageName\": \"openvswitch2.11\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:8::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 8\", \"packageName\": \"openvswitch2.12\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:8::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 8\", \"packageName\": \"openvswitch2.13\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:8::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 8\", \"packageName\": \"openvswitch2.15\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:8::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 8\", \"packageName\": \"openvswitch2.16\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:8::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 8\", \"packageName\": \"openvswitch2.17\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:8::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 8\", \"packageName\": \"openvswitch3.1\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:9::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 9\", \"packageName\": \"openvswitch2.17\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:9::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 9\", \"packageName\": \"openvswitch3.0\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:9::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 9\", \"packageName\": \"openvswitch3.1\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:9::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 9\", \"packageName\": \"openvswitch3.2\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:7\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 7\", \"packageName\": \"openvswitch\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:openshift:3.11\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat OpenShift Container Platform 3.11\", \"packageName\": \"openvswitch-ovn-kubernetes\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"RDO\", \"product\": \"OpenStack RDO\", \"packageName\": \"rdo-openvswitch\", \"collectionURL\": \"https://repos.fedorapeople.org/repos/openstack/\", \"defaultStatus\": \"affected\"}, {\"vendor\": \"Fedora\", \"product\": \"Fedora\", \"packageName\": \"openvswitch\", \"collectionURL\": \"https://packages.fedoraproject.org/\", \"defaultStatus\": \"affected\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2023-03-14T00:00:00+00:00\", \"value\": \"Reported to Red Hat.\"}, {\"lang\": \"en\", \"time\": \"2024-02-08T00:00:00+00:00\", \"value\": \"Made public.\"}], \"datePublic\": \"2024-02-08T00:00:00.000Z\", \"references\": [{\"url\": \"https://access.redhat.com/security/cve/CVE-2023-3966\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2178363\", \"name\": \"RHBZ#2178363\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-248\", \"description\": \"Uncaught Exception\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2024-03-23T02:06:40.529Z\"}, \"x_redhatCweChain\": \"CWE-248: Uncaught Exception\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-3966\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-13T17:03:14.623Z\", \"dateReserved\": \"2023-07-26T23:16:24.169Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2024-02-22T12:15:53.128Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.