Improper input validation in Openbsd

CVE-2016-6243

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.004 (35.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Openbsd — versions 5.8, 5.9
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-6243?
CVE-2016-6243 is a medium-severity vulnerability in Openbsd, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2017-03-07.
How severe is CVE-2016-6243?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2016-6243 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.