CVE-2026-1679 — net: eswifi socket send payload length not bounded

CVE-2026-1679

net: eswifi socket send payload length not bounded PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
zephyrproject-rtos / Zephyr	affected * before 4.4.0

CWE

CWE-120

References

https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-qx3g-5g22-fq5w

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.