CVE-2021-3322 MEDIUM

CVE-2021-3322: Unexpected Pointer Aliasing in IEEE 802154 Fragment Reassembly in Zephyr

Vendor Zephyrproject-Rtos
Product zephyr
Weakness CWE-476
Published October 12, 2021
Last update September 16, 2024

CVSS base score

6.5/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

Unexpected Pointer Aliasing in IEEE 802154 Fragment Reassembly in Zephyr. Zephyr versions >= >=2.4.0 contain NULL Pointer Dereference (CWE-476). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-p86r-gc4r-4mq3

Key dates

02Disclosure timeline

October 12, 2021 CVE published
September 16, 2024 Record updated