CVE-2021-22680: NXP MQX Integer Overflow or Wraparound

Q: What is CVE-2021-22680?

CVE-2021-22680 is a vulnerability in NXP MQX Versions 5.1 and prior that allows for integer overflow in memory allocation functions, leading to unexpected behavior or remote code execution.

Q: How severe is CVE-2021-22680?

CVE-2021-22680 has a severity rating of 9.8 out of 10, indicating a critical vulnerability.

Q: Which software versions are affected by CVE-2021-22680?

NXP MQX Versions 5.1 and prior are affected by CVE-2021-22680.

Q: What are the potential consequences of CVE-2021-22680?

CVE-2021-22680 can result in unexpected behavior, such as crashes, and can also allow for remote code injection or execution.

Q: Is there a fix available for CVE-2021-22680?

At the time of this writing, there is no known fix or patch available for CVE-2021-22680. It is recommended to follow the guidance provided by NXP or the official sources for updates and mitigation measures.

Published May 3, 2022

Updated

NXP MQX Versions 5.1 and prior are vulnerable to integer overflow in memalloc, lwmemalloc and partition functions. This unverified memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

Affected Software

30 affected components

NXP MQX<=5.1

Multiple Amazon FreeRTOS, Version 10.4.1

Multiple Apache Nuttx OS, Version 9.1.0

Multiple ARM CMSIS-RTOS2, versions prior to 2.1.3

Multiple ARM Mbed OS, Version 6.3.0

Multiple ARM mbed-ualloc, Version 1.3.0

Multiple BlackBerry QNX SDP Versions 6.5.0 SP1 and earlier

Multiple BlackBerry QNX OS for Safety Versions 1.0.1 and earlier safety products compliant with IEC 61508 and/or ISO 26262

Multiple BlackBerry QNX OS for Medical Versions 1.1 and earlier safety products compliant with IEC 62304 A full list of affected QNX products and versions is available here

Multiple A full list of affected QNX products and versions is available here

Multiple Cesanta Software Mongoose OS, v2.17.0

Multiple eCosCentric eCosPro RTOS, Versions 2.0.1 through 4.5.3

Multiple Google Cloud IoT Device SDK, Version 1.0.2

Multiple Media Tek LinkIt SDK, versions prior to 4.6.1

Multiple Micrium OS, Versions 5.10.1 and prior

Multiple Micrium uC/OS: uC/LIB Versions 1.38.xx, Version 1.39.00

Multiple NXP MCUXpresso SDK, versions prior to 2.8.2

Multiple NXP MQX, Versions 5.1 and prior

Multiple Redhat newlib, versions prior to 4.0.0

Multiple RIOT OS, Version 2020.01.1

Multiple Samsung Tizen RT RTOS, versions prior 3.0.GBB

Multiple TencentOS-tiny, Version 3.1.0

Multiple Texas Instruments CC32XX, versions prior to 4.40.00.07

Multiple Texas Instruments SimpleLink MSP432E4XX

Multiple Texas Instruments SimpleLink-CC13XX, versions prior to 4.40.00

Multiple Texas Instruments SimpleLink-CC26XX, versions prior to 4.40.00

Multiple Texas Instruments SimpleLink-CC32XX, versions prior to 4.10.03

Multiple Uclibc-NG, versions prior to 1.0.36

Multiple Windriver VxWorks, prior to 7.0

Multiple Zephyr Project RTOS, versions prior to 2.5

Remediation

Information

Update NXP MQX to 5.1 or newer

Event History

May 3, 2022

CVE Published

via MITRE·08:25 PM

Data Sourced

via MITRE·08:25 PM

RemedyDescriptionSeverityWeakness

Aug 3, 2024

Data Sourced

via ICS·06:54 PM

SeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

ICSA-21-119-04

Frequently Asked Questions

What is CVE-2021-22680?

CVE-2021-22680 is a vulnerability in NXP MQX Versions 5.1 and prior that allows for integer overflow in memory allocation functions, leading to unexpected behavior or remote code execution.

How severe is CVE-2021-22680?

CVE-2021-22680 has a severity rating of 9.8 out of 10, indicating a critical vulnerability.

Which software versions are affected by CVE-2021-22680?