VULNERABILITY INTELLIGENCE

CVE-2021-3659

CVSS score5.5 MEDIUM
EPSS probability0.27%
CISA KEVNot currently listed
Published2022-08-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

A NULL pointer dereference flaw was found in the Linux kernel’s IEEE 802.15.4 wireless networking subsystem in the way the user closes the LR-WPAN connection. This flaw allows a local user to crash the system. The highest threat from this vulnerability is to system availability.

Weakness classification

  • secalert@redhat.com: CWE-252
  • nvd@nist.gov: CWE-476

Primary references