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CVE-2026-25804
Published: Feb 6, 2026
Modified: Feb 9, 2026
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
antrea-io | antrea | affected < 2.3.2affected >= 2.4.0, < 2.4.3 |
References
https://github.com/antrea-io/antrea/security/advisories/GHSA-86x4-wp9f-wrr9
x_refsource_CONFIRM
https://github.com/antrea-io/antrea/pull/7496
x_refsource_MISC
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