PT-2020-16647

CVE-2020-27174

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Published

2020-10-16

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Updated

2021-07-21

Description by

CVSS 3.1
7.5
High
MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Amazon AWS Firecracker versions 0.21.3 and earlier, 0.22.x before 0.22.1
Description The issue is related to the serial console buffer, which 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.
Recommendations For Amazon AWS Firecracker versions 0.21.3 and earlier, update to version 0.21.3 or later. For Amazon AWS Firecracker versions 0.22.x before 0.22.1, update to version 0.22.1 or later.
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Related identifiers
ALT-PU-2020-3247
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