Vulnerability-Lookup

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

Vulnerability from cvelistv5 – Published: 2024-02-22 12:15 – Updated: 2025-02-13 17:03

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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-02-22 15:42 UTC

CWE

CWE-248 - Uncaught Exception

Assigner

redhat redhat root

References

4 references

URL	Tags
https://access.redhat.com/security/cve/CVE-2023-3966	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2178363	issue-trackingx_refsource_REDHAT
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…

Impacted products

8 products

Vendor	Product	Version	CPE status
n/a	openvswitch	Unaffected: 3.1.0
Red Hat	Fast Datapath for RHEL 7	cpe:/o:redhat:enterprise_linux:7::fastdatapath
Red Hat	Fast Datapath for RHEL 8	cpe:/o:redhat:enterprise_linux:8::fastdatapath
Red Hat	Fast Datapath for RHEL 9	cpe:/o:redhat:enterprise_linux:9::fastdatapath
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat OpenShift Container Platform 3.11	cpe:/a:redhat:openshift:3.11
RDO	OpenStack RDO		guessed
Fedora	Fedora		guessed

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

JSON

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": "2026-09-16",
      "epss": "0.01033",
      "percentile": "0.62112"
    },
    "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\"}]}]"
    },
    "microsoft_vex": {
      "current_release_date": "2026-02-18T14:44:03.000Z",
      "cve": "CVE-2023-3966",
      "id": "msrc_CVE-2023-3966",
      "initial_release_date": "2024-02-02T08:00:00.000Z",
      "product_status:fixed": "4",
      "product_status:known_affected": "4",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "Openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet",
      "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2023-3966.json",
      "version": "3"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-3966\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2024-02-22T13:15:07.770\",\"lastModified\":\"2026-06-17T06:15:30.980\",\"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.\"}],\"affected\":[{\"source\":\"secalert@redhat.com\",\"affectedData\":[{\"vendor\":\"n/a\",\"product\":\"openvswitch\",\"versions\":[{\"version\":\"3.1.0\",\"status\":\"unaffected\"}]},{\"vendor\":\"Red Hat\",\"product\":\"Fast Datapath for RHEL 7\",\"defaultStatus\":\"affected\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:7::fastdatapath\"]},{\"vendor\":\"Red Hat\",\"product\":\"Fast Datapath for RHEL 7\",\"defaultStatus\":\"unknown\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch2.10\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:7::fastdatapath\"]},{\"vendor\":\"Red Hat\",\"product\":\"Fast Datapath for RHEL 7\",\"defaultStatus\":\"unknown\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch2.11\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:7::fastdatapath\"]},{\"vendor\":\"Red Hat\",\"product\":\"Fast Datapath for RHEL 7\",\"defaultStatus\":\"unknown\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch2.12\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:7::fastdatapath\"]},{\"vendor\":\"Red Hat\",\"product\":\"Fast Datapath for RHEL 7\",\"defaultStatus\":\"affected\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch2.13\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:7::fastdatapath\"]},{\"vendor\":\"Red Hat\",\"product\":\"Fast Datapath for RHEL 8\",\"defaultStatus\":\"unknown\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch2.11\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:8::fastdatapath\"]},{\"vendor\":\"Red Hat\",\"product\":\"Fast Datapath for RHEL 8\",\"defaultStatus\":\"unknown\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch2.12\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:8::fastdatapath\"]},{\"vendor\":\"Red Hat\",\"product\":\"Fast Datapath for RHEL 8\",\"defaultStatus\":\"affected\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch2.13\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:8::fastdatapath\"]},{\"vendor\":\"Red Hat\",\"product\":\"Fast Datapath for RHEL 8\",\"defaultStatus\":\"affected\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch2.15\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:8::fastdatapath\"]},{\"vendor\":\"Red Hat\",\"product\":\"Fast Datapath for RHEL 8\",\"defaultStatus\":\"unknown\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch2.16\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:8::fastdatapath\"]},{\"vendor\":\"Red Hat\",\"product\":\"Fast Datapath for RHEL 8\",\"defaultStatus\":\"affected\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch2.17\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:8::fastdatapath\"]},{\"vendor\":\"Red Hat\",\"product\":\"Fast Datapath for RHEL 8\",\"defaultStatus\":\"affected\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch3.1\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:8::fastdatapath\"]},{\"vendor\":\"Red Hat\",\"product\":\"Fast Datapath for RHEL 9\",\"defaultStatus\":\"affected\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch2.17\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:9::fastdatapath\"]},{\"vendor\":\"Red Hat\",\"product\":\"Fast Datapath for RHEL 9\",\"defaultStatus\":\"unknown\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch3.0\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:9::fastdatapath\"]},{\"vendor\":\"Red Hat\",\"product\":\"Fast Datapath for RHEL 9\",\"defaultStatus\":\"affected\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch3.1\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:9::fastdatapath\"]},{\"vendor\":\"Red Hat\",\"product\":\"Fast Datapath for RHEL 9\",\"defaultStatus\":\"affected\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch3.2\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:9::fastdatapath\"]},{\"vendor\":\"Red Hat\",\"product\":\"Red Hat Enterprise Linux 7\",\"defaultStatus\":\"affected\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch\",\"cpes\":[\"cpe:/o:redhat:enterprise_linux:7\"]},{\"vendor\":\"Red Hat\",\"product\":\"Red Hat OpenShift Container Platform 3.11\",\"defaultStatus\":\"unaffected\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"openvswitch-ovn-kubernetes\",\"cpes\":[\"cpe:/a:redhat:openshift:3.11\"]},{\"vendor\":\"RDO\",\"product\":\"OpenStack RDO\",\"defaultStatus\":\"affected\",\"collectionURL\":\"https://repos.fedorapeople.org/repos/openstack/\",\"packageName\":\"rdo-openvswitch\"},{\"vendor\":\"Fedora\",\"product\":\"Fedora\",\"defaultStatus\":\"affected\",\"collectionURL\":\"https://packages.fedoraproject.org/\",\"packageName\":\"openvswitch\"}]}],\"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}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-02-22T15:42:09.680379Z\",\"id\":\"CVE-2023-3966\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"yes\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"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\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-08-06T19:59:08+00:00",
      "cve": "CVE-2023-3966",
      "id": "CVE-2023-3966",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "98",
      "product_status:known_affected": "94",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-3966.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-08-29T02:16:58Z",
      "cve": "CVE-2023-3966",
      "id": "CVE-2023-3966",
      "initial_release_date": "2024-02-28T03:48:59Z",
      "product_status:known_affected": "195",
      "product_status:known_not_affected": "62",
      "product_status:recommended": "665",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-3966",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-3966.json",
      "version": "38"
    },
    "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"
    }
  }
}

SUSE-SU-2026:20061-1

Vulnerability from csaf_suse - Published: 2026-01-08 14:43 - Updated: 2026-01-08 14:43

Summary

Security update for openvswitch

Severity

Important

Scope

4 vulnerabilities in this advisory, including CVE-2023-3966.

CVE-2023-3966

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Recommended: 8 products

Open the full advisory

ubuntu-cve-2023-3966

Vulnerability from osv_ubuntu

Published

2024-02-08 00:00

Modified

2025-09-08 16:55

Summary

Details

Severity

7.5 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2023-3966	REPORT
	https://www.openwall.com/lists/oss-security/2024/…	REPORT
	https://mail.openvswitch.org/pipermail/ovs-dev/20…	REPORT
	https://ubuntu.com/security/notices/USN-6690-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2023-3966	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "openvswitch-common",
            "binary_version": "2.13.8-0ubuntu1.4"
          },
          {
            "binary_name": "openvswitch-pki",
            "binary_version": "2.13.8-0ubuntu1.4"
          },
          {
            "binary_name": "openvswitch-source",
            "binary_version": "2.13.8-0ubuntu1.4"
          },
          {
            "binary_name": "openvswitch-switch",
            "binary_version": "2.13.8-0ubuntu1.4"
          },
          {
            "binary_name": "openvswitch-switch-dpdk",
            "binary_version": "2.13.8-0ubuntu1.4"
          },
          {
            "binary_name": "openvswitch-test",
            "binary_version": "2.13.8-0ubuntu1.4"
          },
          {
            "binary_name": "openvswitch-testcontroller",
            "binary_version": "2.13.8-0ubuntu1.4"
          },
          {
            "binary_name": "openvswitch-vtep",
            "binary_version": "2.13.8-0ubuntu1.4"
          },
          {
            "binary_name": "python3-openvswitch",
            "binary_version": "2.13.8-0ubuntu1.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "openvswitch",
        "purl": "pkg:deb/ubuntu/openvswitch@2.13.8-0ubuntu1.4?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.13.8-0ubuntu1.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.12.0-0ubuntu1",
        "2.12.0-0ubuntu2",
        "2.12.1~git20191107.7accd1302-0ubuntu1",
        "2.12.90~git20200107.af683565b-0ubuntu1",
        "2.12.90~git20200107.af683565b-0ubuntu2",
        "2.12.90~git20200107.af683565b-0ubuntu3",
        "2.13.0~git20200127.dbdf66c29-0ubuntu2",
        "2.13.0~git20200212.15ae9db33-0ubuntu1",
        "2.13.0~git20200212.15ae9db33-0ubuntu2",
        "2.13.0-0ubuntu1",
        "2.13.1-0ubuntu0.20.04.1",
        "2.13.1-0ubuntu0.20.04.3",
        "2.13.1-0ubuntu0.20.04.4",
        "2.13.3-0ubuntu0.20.04.1",
        "2.13.3-0ubuntu0.20.04.2",
        "2.13.5-0ubuntu1",
        "2.13.8-0ubuntu1",
        "2.13.8-0ubuntu1.1",
        "2.13.8-0ubuntu1.2",
        "2.13.8-0ubuntu1.3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "openvswitch-common",
            "binary_version": "2.17.9-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "openvswitch-ipsec",
            "binary_version": "2.17.9-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "openvswitch-pki",
            "binary_version": "2.17.9-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "openvswitch-source",
            "binary_version": "2.17.9-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "openvswitch-switch",
            "binary_version": "2.17.9-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "openvswitch-switch-dpdk",
            "binary_version": "2.17.9-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "openvswitch-test",
            "binary_version": "2.17.9-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "openvswitch-testcontroller",
            "binary_version": "2.17.9-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "openvswitch-vtep",
            "binary_version": "2.17.9-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "python3-openvswitch",
            "binary_version": "2.17.9-0ubuntu0.22.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "openvswitch",
        "purl": "pkg:deb/ubuntu/openvswitch@2.17.9-0ubuntu0.22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.17.9-0ubuntu0.22.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.16.0-0ubuntu2",
        "2.16.0-0ubuntu3",
        "2.16.0-0ubuntu4",
        "2.17.0~git20220105.0d1ffb7-0ubuntu1",
        "2.17.0~git20220118.1b9fd88-0ubuntu1",
        "2.17.0~git20220121.109d024-0ubuntu1",
        "2.17.0-0ubuntu1",
        "2.17.2-0ubuntu0.22.04.1",
        "2.17.2-0ubuntu0.22.04.2",
        "2.17.3-0ubuntu0.22.04.1",
        "2.17.3-0ubuntu0.22.04.2",
        "2.17.5-0ubuntu0.22.04.2",
        "2.17.7-0ubuntu0.22.04.1",
        "2.17.8-0ubuntu0.22.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "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.",
  "id": "UBUNTU-CVE-2023-3966",
  "modified": "2025-09-08T16:55:49Z",
  "published": "2024-02-08T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-3966"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2024/02/08/3"
    },
    {
      "type": "REPORT",
      "url": "https://mail.openvswitch.org/pipermail/ovs-dev/2024-February/411702.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6690-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3966"
    }
  ],
  "related": [
    "USN-6690-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-3966"
  ]
}

WID-SEC-W-2024-0580

Vulnerability from csaf_certbund - Published: 2024-03-07 23:00 - Updated: 2026-01-26 23:00

Summary

Red Hat Enterprise Linux (openvswitch): Schwachstelle ermöglicht Denial of Service

Severity

Mittel

Scope

1 vulnerability in this advisory, including CVE-2023-3966.

CVE-2023-3966

Known affected: 4 products

Open the full advisory

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

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

SUSE-SU-2026:20061-1

ubuntu-cve-2023-3966

Vulnerability from osv_ubuntu

WID-SEC-W-2024-0580

Tags

Sightings

Nomenclature

Related by attack behaviour