CVE-2020-27174
First published: Fri Oct 16 2020(Updated: )
In Amazon AWS Firecracker before 0.21.3, and 0.22.x before 0.22.1, the serial console buffer can grow its memory usage without limit when data is sent to the standard input. This can result in a memory leak on the microVM emulation thread, possibly occupying more memory than intended on the host.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Amazon Firecracker | <0.21.3 | |
| Amazon Firecracker | >=0.22.0<0.22.1 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2020-27174.
What is the severity of CVE-2020-27174?
The severity of CVE-2020-27174 is high, with a CVSS score of 7.5.
Which software versions are affected by CVE-2020-27174?
Versions before 0.21.3 and 0.22.x before 0.22.1 of Amazon AWS Firecracker are affected by CVE-2020-27174.
What is the impact of CVE-2020-27174?
CVE-2020-27174 can result in a memory leak on the microVM emulation thread, potentially occupying more memory than intended on the host.
How can I fix CVE-2020-27174?
Update Amazon AWS Firecracker to version 0.21.3 or 0.22.1 to mitigate CVE-2020-27174.
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