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CVE-2021-3319

nvd nist
Published: Oct 5, 2021Modified: Jun 17, 2026

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD

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

Affected (1)

Zephyrproject
1 product
Zephyr
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Zephyr
From 2.4.0 to 2.5.0

Related CWEs

CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
CWE-588
Attempt to Access Child of a Non-structure Pointer
Casting a non-structure type to a structure type and accessing a field can lead to memory access errors or data corruption.

References (2)

Source: vulnerabilities@zephyrproject.org
ExploitPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitPatchThird Party Advisory

Timeline

No history available yet.