{"schema_version":"1.9.0","id":"CVE-2026-25804","published":"2026-02-06T22:58:35.041Z","modified":"2026-08-12T03:51:44.226109031Z","aliases":["GHSA-86x4-wp9f-wrr9","GO-2026-4461"],"related":["SUSE-SU-2026:0757-1","openSUSE-SU-2026:21483-1"],"summary":"Antrea has invalid enforcement order for network policy rules caused by integer overflow","details":"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.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/antrea-io/antrea","events":[{"introduced":"0"},{"fixed":"0f476c3058375f2c9a6d9570b1c228ec7e565234"},{"introduced":"89d1bfe8acded45230041a144a3a14ea08322f80"},{"fixed":"1476be6930f5dd47940938b5713fa461ef1fd086"},{"fixed":"86c4b6010f3be536866f339b632621c23d7186fa"}],"database_specific":{"cpe":"cpe:2.3:a:linuxfoundation:antrea:*:*:*:*:*:kubernetes:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.3.2"},{"introduced":"2.4.0"},{"fixed":"2.4.3"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v2.4.2","v2.4.1","v2.4.0","v2.3.1","v2.3.0","v2.2.0-alpha.2","v2.2.0-alpha.1","v2.2.0-alpha.0","v2.1.0-beta.0","v1.11.0-alpha.0","v1.8.0-alpha.2","v1.8.0-alpha.1","v1.8.0-alpha.0","v0.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-25804.json"}}],"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25804.json"},{"type":"ADVISORY","url":"https://github.com/antrea-io/antrea/security/advisories/GHSA-86x4-wp9f-wrr9"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25804"},{"type":"FIX","url":"https://github.com/antrea-io/antrea/commit/86c4b6010f3be536866f339b632621c23d7186fa"},{"type":"FIX","url":"https://github.com/antrea-io/antrea/pull/7496"}],"database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-287","CWE-770"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25804.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U"}]}