Race condition in OpenBSD - #VU123341
Published: February 28, 2026
Vulnerability identifier: #VU123341
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: OpenBSD
Affected software:
OpenBSD
OpenBSD
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service attack.
The vulnerability exists due to a race condition when blocking sysctl requests by pledge(2). A local user can exploit the race and perform a denial of service attack.
Remediation
Install updates from vendor's website.