CVE-2021-31571: Integer Overflow
First published: Thu Apr 22 2021(Updated: )
The kernel in Amazon Web Services FreeRTOS before 10.4.3 has an integer overflow in queue.c for queue creation.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Amazon FreeRTOS | <10.4.3 | |
| 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 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-31571?
CVE-2021-31571 is a vulnerability in the kernel of Amazon Web Services FreeRTOS before version 10.4.3 which allows an integer overflow in queue.c for queue creation.
What is the severity of CVE-2021-31571?
The severity of CVE-2021-31571 is critical with a CVSS score of 9.8.
How does CVE-2021-31571 affect Amazon Freertos?
CVE-2021-31571 affects Amazon Freertos before version 10.4.3 by causing an integer overflow in the creation of queues.
Is there a fix for CVE-2021-31571?
Yes, the fix for CVE-2021-31571 is available in version 10.4.3 of Amazon Freertos.
Where can I find more information about CVE-2021-31571?
You can find more information about CVE-2021-31571 on the GitHub page for FreeRTOS-Kernel: https://github.com/FreeRTOS/FreeRTOS-Kernel/commit/47338393f1f79558f6144213409f09f81d7c4837
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