CVE-2016-6243

Public Exploit

Description

thrsleep in kern/kern_synch.c in OpenBSD 5.8 and 5.9 allows local users to cause a denial of service (kernel panic) via a crafted value in the tsp parameter of the __thrsleep system call.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.04%
Third-Party Advisory openwall.com Third-Party Advisory openwall.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openbsd.org/errata59.html release notes
http://www.openwall.com/lists/oss-security/2016/07/14/5 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2016/07/17/7 mailing list exploit third party advisory
http://www.openbsd.org/errata58.html release notes
http://www.securityfocus.com/bid/91805 vdb entry

Frequently Asked Questions

What is the severity of CVE-2016-6243?
CVE-2016-6243 has been scored as a medium severity vulnerability.
How to fix CVE-2016-6243?
To fix CVE-2016-6243, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-6243 being actively exploited in the wild?
It is possible that CVE-2016-6243 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.