CVE-2021-32020: Buffer Overflow
First published: Mon May 03 2021(Updated: )
The kernel in Amazon Web Services FreeRTOS before 10.4.3 has insufficient bounds checking during management of heap memory.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Amazon Freertos | <10.4.3 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-32020?
CVE-2021-32020 is a vulnerability in the kernel of Amazon Web Services FreeRTOS before version 10.4.3 that allows for insufficient bounds checking during management of heap memory.
How severe is CVE-2021-32020?
CVE-2021-32020 has a severity score of 9.8, which is classified as critical.
Which software versions are affected by CVE-2021-32020?
CVE-2021-32020 affects Amazon Web Services FreeRTOS versions up to but not including 10.4.3.
How can I fix CVE-2021-32020?
To fix CVE-2021-32020, update your Amazon Web Services FreeRTOS to version 10.4.3 or later.
Is there any additional information about CVE-2021-32020?
Additional information about CVE-2021-32020 can be found at the following reference: https://github.com/FreeRTOS/FreeRTOS-Kernel/commit/c7a9a01c94987082b223d3e59969ede64363da63
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