Home/CVE/In OpenBSD 7.6 before errata 006 and OpenBSD 7.5 before errata 015, traffic sent over wg(4) could result in kernel crash
CVE

CVE-2025-30334

In OpenBSD 7.6 before errata 006 and OpenBSD 7.5 before errata 015, traffic sent over wg(4) could result in kernel crash

In OpenBSD 7.6 before errata 006 and OpenBSD 7.5 before errata 015, traffic sent over wg(4) could result in kernel crash.

MEDIUM · CVSS 6.5 EPSS 0.00219
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-131Incorrect Calculation of Buffer Size
▤

Affected Products & Versions

2
openbsd< 7.5
openbsdall versions
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · 9119a7d8-5eab-497f-8521-727c672e3725
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 Mar 2025 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://ftp.openbsd.org/pub/OpenBSD/patches/7.5/common/015_wg.patch.sigPatch
https://ftp.openbsd.org/pub/OpenBSD/patches/7.6/common/006_wg.patch.sigPatch
https://github.com/openbsd/src/commit/c06199859734d958552a581d72b4c0f910e68d7cPatch
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