CVE-2021-31572: Integer Overflow
Published Apr 22, 2021
·Updated
The kernel in Amazon Web Services FreeRTOS before 10.4.3 has an integer overflow in stream_buffer.c for a stream buffer.
Affected Software
30 affected components
Amazon FreeRTOS<10.4.3
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
Event History
Apr 22, 2021
CVE Published
via MITRE·05:56 PM
Data Sourced
via MITRE·05:56 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2021-31572?
The severity of CVE-2021-31572 is critical.
2
What is the affected software of CVE-2021-31572?
The affected software of CVE-2021-31572 is Amazon Freertos version up to 10.4.3.
3
What is the CWE of CVE-2021-31572?
The CWE of CVE-2021-31572 is CWE-190.
4
How can I fix CVE-2021-31572?
To fix CVE-2021-31572, update Amazon Freertos to version 10.4.3 or newer.
5
Where can I find more information about CVE-2021-31572?
More information about CVE-2021-31572 can be found at the following link: [link](https://github.com/FreeRTOS/FreeRTOS-Kernel/commit/d05b9c123f2bf9090bce386a244fc934ae44db5b)