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prionPRIOn knowledge basePRION:CVE-2021-3659
HistoryAug 22, 2022 - 3:15 p.m.

Null pointer dereference

2022-08-2215:15:00
PRIOn knowledge base
www.prio-n.com
11
null pointer dereference
linux kernel
ieee 802.15.4
wireless networking
local user
system crash
system availability
vulnerability

5.8 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

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.