MediumFix available
openvswitch — security advisory
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
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"
}