CVE-2026-25804

CRITICAL

9.1

Description

Antrea is a Kubernetes networking solution intended to be Kubernetes native. Prior to versions 2.3.2 and 2.4.3, Antrea's network policy priority assignment system has a uint16 arithmetic overflow bug that causes incorrect OpenFlow priority calculations when handling a large numbers of policies with various priority values. This results in potentially incorrect traffic enforcement. This issue has been patched in versions 2.4.3.

Details CVE

Score CVSS v3.19.1

SeveriteCRITICAL

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie2/6/2026

Derniere modification2/28/2026

Sourcenvd

Observations honeypot0

Produits affectes

linuxfoundation:antrea

Faiblesses (CWE)

CWE-287CWE-770

References

https://github.com/antrea-io/antrea/commit/86c4b6010f3be536866f339b632621c23d7186fa(security-advisories@github.com)

https://github.com/antrea-io/antrea/pull/7496(security-advisories@github.com)

https://github.com/antrea-io/antrea/security/advisories/GHSA-86x4-wp9f-wrr9(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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