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openvswitch — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2022-32166

In ovs versions v0.90.0 through v2.5.0 are vulnerable to heap buffer over-read in flow.c. An unsafe comparison of “minimasks” function could lead access to an unmapped region of memory. This vulnerability is capable of crashing the software, memory modification, and possible remote execution.

Products
openvswitch
Affected versions
Not specified
Fixed versions
2.13.0+dfsg1-1
CVEs
CVE-2022-32166
Confirmed fixed CVEs
Not specified
Updated in this feed
30 Oct 2026, 15:20 UTC · Revision 1

Source evidence

DEBIAN-CVE-2022-32166

core-osv · Original source

Published 28 Sept 2022, 10:15 UTC

In ovs versions v0.90.0 through v2.5.0 are vulnerable to heap buffer over-read in flow.c. An unsafe comparison of “minimasks” function could lead access to an unmapped region of memory. This vulnerability is capable of crashing the software, memory modification, and possible remote execution.

osv:DEBIAN-CVE-2022-32166

openvswitch

Fixed versions: 2.13.0+dfsg1-1

openvswitch

Fixed versions: 2.13.0+dfsg1-1

openvswitch

Fixed versions: 2.13.0+dfsg1-1

Complete source record
{
  "id": "3b27991bc87fc2ca117c929eae2f8620427dac91c0673e75208ba80b556062f4",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-32166",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2022-32166",
    "summary": "In ovs versions v0.90.0 through v2.5.0 are vulnerable to heap buffer over-read in flow.c. An unsafe comparison of “minimasks” function could lead access to an unmapped region of memory. This vulnerability is capable of crashing the software, memory modification, and possible remote execution.",
    "evidence": "osv:DEBIAN-CVE-2022-32166",
    "products": [
      {
        "name": {
          "value": "openvswitch",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.13.0+dfsg1-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openvswitch",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.13.0+dfsg1-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openvswitch",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.13.0+dfsg1-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "DEBIAN-CVE-2022-32166",
      "aliases": [
        "DEBIAN-CVE-2022-32166"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.13.0+dfsg1-1"
                }
              ]
            }
          ],
          "package": {
            "name": "openvswitch",
            "purl": "pkg:deb/debian/openvswitch?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-32166.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.13.0+dfsg1-1"
                }
              ]
            }
          ],
          "package": {
            "name": "openvswitch",
            "purl": "pkg:deb/debian/openvswitch?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-32166.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.13.0+dfsg1-1"
                }
              ]
            }
          ],
          "package": {
            "name": "openvswitch",
            "purl": "pkg:deb/debian/openvswitch?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-32166.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-15T08:02:53.109565596Z",
      "provider": "osv",
      "upstream": [
        "CVE-2022-32166"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2022-32166"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2022-32166",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 324500,
  "published_at": "2022-09-28T10:15:09.56+00:00"
}