CVE-2026-25804
CRITICALantrea < 2.3.2 - Incorrect Traffic Enforcement via OpenFlow Priority Calculation Overflow
Title source: llmDescription
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.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_confirm
https://github.com/antrea-io/antrea/security/advisories/GHSA-86x4-wp9f-wrr9
Issue Tracking x_refsource_misc
https://github.com/antrea-io/antrea/pull/7496
Scores
CVSS v3
9.1
EPSS
0.0044
EPSS Percentile
35.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-770
CWE-287
Status
published
Products (2)
antrea.io/antrea
0 - 2.3.2Go
linuxfoundation/antrea
< 2.3.2
Published
Feb 06, 2026
Tracked Since
Feb 18, 2026