CVE-2026-25804

HIGH EPSS 35.4%
Published Feb 6, 20264mo ago · Modified Jun 17, 20262w ago
8.0 CVSS 4.0
High
Find Similar
Published Feb 6, 2026 4mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
8.0
Exploitability
—
Impact
—
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
35.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 2

CWE-287 Improper Authentication Authentication
CWE-770

Affected Products 2

VendorProductVersionRange
linuxfoundationantrea* <2.3.2
linuxfoundationantrea*≥2.4.0  –  <2.4.3

References 3

  • github.com https://github.com/antrea-io/antrea/commit/86c4b6010f3be536866f339b632621c23d7186fa
    Patch
  • github.com https://github.com/antrea-io/antrea/pull/7496
    Issue TrackingPatch
  • github.com https://github.com/antrea-io/antrea/security/advisories/GHSA-86x4-wp9f-wrr9
    PatchVendor Advisory

Remediation

  • github.com https://github.com/antrea-io/antrea/commit/86c4b6010f3be536866f339b632621c23d7186fa
    Patch
  • github.com https://github.com/antrea-io/antrea/pull/7496
    Issue TrackingPatch
  • github.com https://github.com/antrea-io/antrea/security/advisories/GHSA-86x4-wp9f-wrr9
    PatchVendor Advisory