You are viewing this page in an unauthorized frame window.
This is a potential security issue, you are being redirected to
https://nvd.nist.gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
Information Technology Laboratory
Information Technology Laboratory
National Vulnerability Database
National Vulnerability Database
National Vulnerability Database
NVD
Vulnerabilities
CVE-2026-57589
Detail
This CVE record has been marked for NVD enrichment efforts.
Description
sys/kern/sysv_sem.c in OpenBSD through 7.9 has a use-after-free allowing local privilege escalation to root. This is a context switch use-after-free after tsleep in sys_semget().
Metrics
[N/A]()
[N/A]()
[N/A]()
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving NIST webspace.
We have provided these links to other web sites because they
may have information that would be of interest to you. No
inferences should be drawn on account of other sites being
referenced, or not, from this page. There may be other web
sites that are more appropriate for your purpose. NIST does
not necessarily endorse the views expressed, or concur with
the facts presented on these sites. Further, NIST does not
endorse any commercial products that may be mentioned on
these sites. Please address comments about this page to [email protected].
[[email protected]](/cdn-cgi/l/email-protection#6b051d0f2b0502181f450c041d)
https://github.com/openbsd/src/commit/1957873d2063db11dab780eca75b5e629d1e838d
https://openai.com/index/patch-the-planet/
Weakness Enumeration
Change History
CVE Modified by CISA-ADP
6/26/2026 1:16:31 AM
CVE Modified by CISA-ADP
6/25/2026 9:16:49 AM
New CVE Received from MITRE
6/24/2026 9:16:26 PM