AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-3659

MEDIUM · CVSS 5.5 EPSS 0.27%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-08-22 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. It affects Linux.

CVE
CVE-2021-3659
Severity
MEDIUM
CVSS
5.5
EPSS
0.27%
Linux

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)