CVE-2025-30334
OpenBSD wg(4) kernel crash
MEDIUM
6.5
CVSS Score
Published: March 20, 2025 at 08:39 PM UTC
Updated: June 17, 2026 at 09:08 AM UTC
1 product affected across 1 vendorOpenBSD
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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit
Description
In OpenBSD 7.6 before errata 006 and OpenBSD 7.5 before errata 015, traffic sent over wg(4) could result in kernel crash.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 7.57.5 ≤ v < 7.5 errata 157.6 ≤ v < 7.6 errata 0067.57.5 errata_0017.5 errata_0027.5 errata_0037.5 errata_0047.5 errata_0057.5 errata_0067.5 errata_0077.5 errata_0087.5 errata_0097.5 errata_0107.5 errata_0117.5 errata_0127.5 errata_0137.5 errata_0147.67.6 errata_0017.6 errata_0027.6 errata_0037.6 errata_0047.6 errata_005
Affected range stops below 7.5, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 7.5 errata 15 (unaffected)
Affected range stops below 7.6 errata 006, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 7.6 errata 8 (unaffected)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
Patch
Source: 9119a7d8-5eab-497f-8521-727c672e3725
https://ftp.openbsd.org/pub/OpenBSD/patches/7.5/common/015_wg.patch.sigPatch
Source: 9119a7d8-5eab-497f-8521-727c672e3725
https://ftp.openbsd.org/pub/OpenBSD/patches/7.6/common/006_wg.patch.sigPatch
Source: 9119a7d8-5eab-497f-8521-727c672e3725
https://github.com/openbsd/src/commit/c06199859734d958552a581d72b4c0f910e68d7cSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
6.5MEDIUMcisa-cg
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-131
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