Integer Overflow Vulnerability in FreeRTOS Kernel by Amazon Web Services
CVE-2021-31572

9.8CRITICAL

Key Information:

Vendor

Amazon

Status
Freertos
Vendor
CVE Published:
22 April 2021

What is CVE-2021-31572?

The Amazon Web Services FreeRTOS kernel versions before 10.4.3 are affected by an integer overflow vulnerability in stream_buffer.c. This flaw could allow for the potential exploitation of the stream buffer, which may lead to unexpected behavior or system instability. Users are advised to upgrade to version 10.4.3 or later to ensure their systems remain secure against potential threats. For more details, refer to the official GitHub commit.

References

https://github.com/FreeRTOS/FreeRTOS-Kernel/commit/d05b9c...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2021-31572 : Integer Overflow Vulnerability in FreeRTOS Kernel by Amazon Web Services