CVE-2021-3322
MEDIUMZephyr 2.4.0-2.4.9 - NULL Pointer Dereference in IEEE 802.15.4 Fragment Reassembly
Title source: llmDescription
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
References (1)
Core 1
Core References
Exploit, Patch, Third Party Advisory x_refsource_misc
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-p86r-gc4r-4mq3
Scores
CVSS v3
6.5
EPSS
0.0053
EPSS Percentile
40.6%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (1)
zephyrproject/zephyr
2.4.0 - 2.5.0
Published
Oct 12, 2021
Tracked Since
Feb 18, 2026