CVE-2023-2234

    Dashboard / Vulnerabilities / CVE-2023-2234

    CVE-2023-2234

    Published: 10 Jul 2023Last Modified: 12 Aug 2026

    Summary: BT HCI host union variant confusion

    Details: Union variant confusion allows any malicious BT controller to execute arbitrary code on the Zephyr host.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2234.json, https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fx9g-8fr2-q899, https://nvd.nist.gov/vuln/detail/CVE-2023-2234, https://github.com/zephyrproject-rtos/zephyr

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    zephyr-v3.3.0

    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
    CVE-2023-2234 | CVE-DB