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1 vulnerability by antrea-io
CVE-2026-25804 (GCVE-0-2026-25804)
Vulnerability from cvelistv5 – Published: 2026-02-06 22:58 – Updated: 2026-02-06 22:58
VLAI?
Title
Antrea has invalid enforcement order for network policy rules caused by integer overflow
Summary
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.
Severity ?
CWE
Assigner
References
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Impacted products
{
"containers": {
"cna": {
"affected": [
{
"product": "antrea",
"vendor": "antrea-io",
"versions": [
{
"status": "affected",
"version": "\u003c 2.3.2"
},
{
"status": "affected",
"version": "\u003e= 2.4.0, \u003c 2.4.3"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Antrea is a Kubernetes networking solution intended to be Kubernetes native. Prior to versions 2.3.2 and 2.4.3, Antrea\u0027s 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."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "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",
"version": "4.0",
"vulnAvailabilityImpact": "LOW",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-287",
"description": "CWE-287: Improper Authentication",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-770",
"description": "CWE-770: Allocation of Resources Without Limits or Throttling",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-06T22:58:35.041Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/antrea-io/antrea/security/advisories/GHSA-86x4-wp9f-wrr9",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/antrea-io/antrea/security/advisories/GHSA-86x4-wp9f-wrr9"
},
{
"name": "https://github.com/antrea-io/antrea/pull/7496",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/antrea-io/antrea/pull/7496"
},
{
"name": "https://github.com/antrea-io/antrea/commit/86c4b6010f3be536866f339b632621c23d7186fa",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/antrea-io/antrea/commit/86c4b6010f3be536866f339b632621c23d7186fa"
}
],
"source": {
"advisory": "GHSA-86x4-wp9f-wrr9",
"discovery": "UNKNOWN"
},
"title": "Antrea has invalid enforcement order for network policy rules caused by integer overflow"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-25804",
"datePublished": "2026-02-06T22:58:35.041Z",
"dateReserved": "2026-02-05T19:58:01.641Z",
"dateUpdated": "2026-02-06T22:58:35.041Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}