Open vSwitch Geneve Packet memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Open vSwitch. It has been rated as critical. This vulnerability affects unknown code of the component Geneve Packet Handler. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2023-3966. No exploit exists.

Detailsinfo

A vulnerability was found in Open vSwitch (version unknown). It has been declared as critical. Affected by this vulnerability is an unknown function of the component Geneve Packet Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 02/09/2024. It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2023-3966 since 07/26/2023. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 237992 (NewStart CGSL MAIN 7.02 : openvswitch Multiple Vulnerabilities (NS-SA-2025-0090)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (237992). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 237992
Nessus Name: NewStart CGSL MAIN 7.02 : openvswitch Multiple Vulnerabilities (NS-SA-2025-0090)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/26/2023 🔍
02/09/2024 +198 days 🔍
02/09/2024 +0 days 🔍
06/10/2025 +487 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Not defined

CVE: CVE-2023-3966 (🔍)
GCVE (CVE): GCVE-0-2023-3966
GCVE (VulDB): GCVE-100-253267

Entryinfo

Created: 02/09/2024 03:55
Updated: 06/10/2025 10:59
Changes: 02/09/2024 03:55 (35), 03/02/2024 16:57 (1), 03/02/2024 17:04 (12), 05/16/2025 17:05 (27), 06/10/2025 10:59 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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