CVE-2023-27567

EUVD-2023-31316
In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 27%
Affected Products (NVD)
VendorProductVersion
openbsdopenbsd
7.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/013_tcp.patch.sig
https://github.com/openbsd/src/commit/0a543725ccdd2a01669122ce79bb67e66ede77f2
https://security.netapp.com/advisory/ntap-20230406-0001/
https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/013_tcp.patch.sig
https://github.com/openbsd/src/commit/0a543725ccdd2a01669122ce79bb67e66ede77f2
https://security.netapp.com/advisory/ntap-20230406-0001/