Medium severity · published Mar 20, 2025
CVE-2025-30334
OpenBSD wg(4) kernel crash
6.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenBSD · OpenBSD
7.6 before 7.6 errata 006; 7.5 before 7.5 errata 015 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-30334
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-30334
Patch
https://ftp.openbsd.org/pub/OpenBSD/patches/7.5/common/015_wg.patch.sig
Patch
https://ftp.openbsd.org/pub/OpenBSD/patches/7.6/common/006_wg.patch.sig
Patch
https://github.com/openbsd/src/commit/c06199859734d958552a581d72b4c0f910e68d7c
More from OpenBSD
9.8
CVE-2024-10934
OpenBSD NFS double-free vulnerability
9.8
CVE-2024-29937
NFS in a BSD derived codebase, as used in OpenBSD through 7.4 and FreeBSD through 14.0-RELEASE, allows remote attackers to execute arbitrary code via a bug that is unrelated to…
9.8
CVE-2023-35784
A double free or use after free could occur after SSL_clear in OpenBSD 7.2 before errata 026 and 7.3 before errata 004, and in LibreSSL before 3.6.3 and 3.7.x before 3.7.3
9.8
CVE-2021-46880
x509/x509_verify.c in LibreSSL before 3.4.2, and OpenBSD before 7.0 errata 006, allows authentication bypass because an error for an unverified certificate chain is sometimes…
9.8
CVE-2020-16088
iked in OpenIKED, as used in OpenBSD through 6.7, allows authentication bypass because ca.c has the wrong logic for checking whether a public key matches
