CVE-2026-1679
Published: Mar 27, 2026
Modified: Apr 1, 2026
CVSS v3.1
7.3
Description
The eswifi socket offload driver copies user-provided payloads into a fixed buffer without checking available space; oversized sends overflow `eswifi->buf`, corrupting kernel memory (CWE-120). Exploit requires local code that can call the socket send API; no remote attacker can reach it directly.
| Vendor | Product | Versions |
|---|---|---|
zephyrproject-rtos | Zephyr | affected * - <= 4.3 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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