FKIE_CVE-2023-3966
Vulnerability from fkie_nvd - Published: 2024-02-22 13:15 - Updated: 2026-06-17 06:15
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
7.5 (High) - CVSS:3.1/
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.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| openvswitch | openvswitch | * | |
| fedoraproject | fedora | 39 | |
| fedoraproject | fedora | 40 |
{
"affected": [
{
"affectedData": [
{
"product": "openvswitch",
"vendor": "n/a",
"versions": [
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"version": "3.1.0"
}
]
},
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"vendor": "Red Hat"
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"vendor": "Red Hat"
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"packageName": "openvswitch2.15",
"product": "Fast Datapath for RHEL 8",
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"cpes": [
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"packageName": "openvswitch2.16",
"product": "Fast Datapath for RHEL 8",
"vendor": "Red Hat"
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"cpes": [
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"defaultStatus": "affected",
"packageName": "openvswitch2.17",
"product": "Fast Datapath for RHEL 8",
"vendor": "Red Hat"
},
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"defaultStatus": "affected",
"packageName": "openvswitch3.1",
"product": "Fast Datapath for RHEL 8",
"vendor": "Red Hat"
},
{
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],
"defaultStatus": "affected",
"packageName": "openvswitch2.17",
"product": "Fast Datapath for RHEL 9",
"vendor": "Red Hat"
},
{
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"cpes": [
"cpe:/o:redhat:enterprise_linux:9::fastdatapath"
],
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"packageName": "openvswitch3.0",
"product": "Fast Datapath for RHEL 9",
"vendor": "Red Hat"
},
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],
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"packageName": "openvswitch3.2",
"product": "Fast Datapath for RHEL 9",
"vendor": "Red Hat"
},
{
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"cpes": [
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],
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"product": "Red Hat Enterprise Linux 7",
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},
{
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"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"
}
],
"source": "secalert@redhat.com"
}
],
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"cveTags": [],
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},
{
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"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": "2026-06-17T06:15:30.980",
"metrics": {
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"role": "CISA Coordinator",
"timestamp": "2024-02-22T15:42:09.680379Z",
"version": "2.0.3"
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"published": "2024-02-22T13:15:07.770",
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}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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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.
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.
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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.
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