CVE-2020-16843
First published: Tue Aug 04 2020(Updated: )
In Firecracker 0.20.x before 0.20.1 and 0.21.x before 0.21.2, the network stack can freeze under heavy ingress traffic. This can result in a denial of service on the microVM when it is configured with a single network interface, and an availability problem for the microVM network interface on which the issue is triggered.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Amazon Firecracker | =0.20.0 | |
| Amazon Firecracker | =0.21.0 | |
| Amazon Firecracker | =0.21.1 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-16843.
What is the severity of CVE-2020-16843?
The severity of CVE-2020-16843 is medium with a severity value of 5.9.
What is affected by CVE-2020-16843?
Firecracker versions 0.20.0, 0.21.0, and 0.21.1 are affected by CVE-2020-16843.
What is the impact of CVE-2020-16843?
The network stack can freeze under heavy ingress traffic, resulting in a denial of service on the microVM when configured with a single network interface.
Is there a fix for CVE-2020-16843?
Yes, the fix for CVE-2020-16843 is available in Firecracker versions 0.20.1 and 0.21.2.
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- vendor/amazon
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