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ubuntu-cve-2023-3966
Vulnerability from osv_ubuntu
Published
2024-02-08 00:00
Modified
2025-09-08 16:55
Summary
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.

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
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"
  ]
}



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