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CVE-2020-27174 Detail

Description

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2020/10/23/1 Third Party Advisory 
https://github.com/firecracker-microvm/firecracker/issues/2177 Third Party Advisory 
https://github.com/firecracker-microvm/firecracker/pull/2178 Patch  Third Party Advisory 
https://github.com/firecracker-microvm/firecracker/pull/2179 Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-401 Missing Release of Memory after Effective Lifetime cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-27174
NVD Published Date:
10/16/2020
NVD Last Modified:
07/21/2021
Source:
MITRE