Integer Overflow Vulnerability in Amazon Web Services FreeRTOS Kernel
CVE-2021-31571

9.8CRITICAL

Key Information:

Vendor

Amazon

Status
Freertos
Vendor
CVE Published:
22 April 2021

What is CVE-2021-31571?

The kernel of Amazon Web Services FreeRTOS, prior to version 10.4.3, contains an integer overflow vulnerability in the queue.c file during the queue creation process. This flaw can potentially allow attackers to exploit the system, leading to unstable behavior or unauthorized access. It is crucial for users to update to the latest version to mitigate any associated risks.

References

https://github.com/FreeRTOS/FreeRTOS-Kernel/commit/473383...
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

.