CWE
703
Advisory Published
Updated

CVE-2021-3433: BT: Invalid channel map in CONNECT_IND results to Deadlock

First published: Tue Jun 28 2022(Updated: )

Invalid channel map in CONNECT_IND results to Deadlock. Zephyr versions >= v2.5.0 Improper Check or Handling of Exceptional Conditions (CWE-703). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3c2f-w4v6-qxrp

Credit: vulnerabilities@zephyrproject.org

Affected SoftwareAffected VersionHow to fix
Zephyrproject Zephyr>=2.5.0<2.6.0

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Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2021-3433.

  • What is the severity of CVE-2021-3433?

    The severity of CVE-2021-3433 is medium (3.3).

  • Which versions of Zephyr are affected by CVE-2021-3433?

    Zephyr versions >= v2.5.0 are affected by CVE-2021-3433.

  • What is the CWE classification of CVE-2021-3433?

    The CWE classification of CVE-2021-3433 is CWE-703.

  • How do I fix CVE-2021-3433?

    To fix CVE-2021-3433, update Zephyr to a version higher than or equal to v2.6.0.

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