CVEvulnerability

CVE-2021-3659

5.5 MEDIUM Published 2022-08-22 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-08-22
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-252, CWE-476

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.

Affected configurations

• linux linux kernel (< 5.12) • fedoraproject fedora 34 • redhat enterprise linux 7.0 • redhat enterprise linux 8.0 • redhat enterprise linux for ibm z systems 8.0 • redhat enterprise linux for ibm z systems eus 8.6 • redhat enterprise linux for power little endian eus 8.6 • redhat enterprise linux for real time 8.0 • redhat enterprise linux for real time for nfv 8.0 • redhat enterprise linux for real time for nfv tus 8.6 • redhat enterprise linux for real time tus 8.6 • redhat enterprise linux server aus 8.6 • redhat enterprise linux server eus 8.6 • redhat enterprise linux server tus 8.6 • redhat codeready linux builder • redhat virtualization host 4.0

Related

Weakness · CWE (2)

  • CWE-252 Unchecked Return Value weakness
  • CWE-476 NULL Pointer Dereference weakness

References