CVE-2021-3319

MEDIUM

Zephyr 2.4.0-2.4.9 - Denial of Service via 802.15.4 Frame Validation

Title source: llm
STIX 2.1

Description

DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses. Zephyr versions >= > v2.4.0 contain NULL Pointer Dereference (CWE-476), Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-94jg-2p6q-5364

References (1)

Core 1
Core References
Exploit, Patch, Third Party Advisory x_refsource_misc
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-94jg-2p6q-5364

Scores

CVSS v3 6.5
EPSS 0.0085
EPSS Percentile 53.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

Details

CWE
CWE-476 CWE-588
Status published
Products (1)
zephyrproject/zephyr 2.4.0 - 2.5.0
Published Oct 05, 2021
Tracked Since Feb 18, 2026