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    CVE-2026-1679

    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.

    Published:Mar 27, 2026
    Last Modified:Apr 2, 2026
    EPS:Mar 27, 2026
    EPSS Score:0.00045
    CVSS Score:7.3

    Affected Products

    Vendor
    Zephyrproject
    Product
    Zephyr
    Vendor
    Zephyrproject-rtos
    Product
    Zephyr

    Exploits

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

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High