Vulnerabilities > CVE-2021-3321 - Integer Underflow (Wrap or Wraparound) vulnerability in Zephyrproject Zephyr 2.4.0
Attack vector
ADJACENT_NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
Integer Underflow in Zephyr in IEEE 802154 Fragment Reassembly Header Removal. Zephyr versions >= >=2.4.0 contain Integer Overflow to Buffer Overflow (CWE-680). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-w44j-66g7-xw99
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 4 |