CVE-2021-22680: NXP MQX Integer Overflow or Wraparound
First published: Tue May 03 2022(Updated: )
NXP MQX Versions 5.1 and prior are vulnerable to integer overflow in mem_alloc, _lwmem_alloc 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.
Credit: ics-cert@hq.dhs.gov
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NXP MQX | <=5.1 | |
| Amazon FreeRTOS | ||
| Apache NuttX | ||
| ARM CMSIS-RTOS2 | ||
| Arm Mbed OS | ||
| Arm Mbed ualloc | ||
| QNX | ||
| BlackBerry QNX OS for Safety | ||
| BlackBerry QNX OS for Medical | ||
| QNX | ||
| Mongoose OS | ||
| eCosCentric eCosPro RTOS | ||
| Google Cloud IoT Device SDK | ||
| MediaTek LinkIt SDK | ||
| Micrium OS | ||
| Micrium uC/OS | ||
| NXP MCUXpresso SDK | ||
| NXP MQX | ||
| newlib | ||
| RIOT OS | ||
| Samsung Tizen RT | ||
| TencentOS-tiny | ||
| Texas Instruments SimpleLink CC32XX | ||
| Texas Instruments SimpleLink MSP432E4 SDK | ||
| Texas Instruments SimpleLink CC13X2 SDK | ||
| Texas Instruments SimpleLink CC26XX | ||
| Texas Instruments SimpleLink CC32XX | ||
| uClibc | ||
| Wind River VxWorks | ||
| Zephyr Project RTOS |
Remedy
Update NXP MQX to 5.1 or newer
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Reference Links
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?
NXP MQX Versions 5.1 and prior are affected by CVE-2021-22680.
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.
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.
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