CVE-2020-16843

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2020-16843
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-08-04 20:15:00 UTC
Updated2020-08-19 18:39:00 UTC
DescriptionIn 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.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Amazon Firecracker 0.20.0 All All All
Application Amazon Firecracker 0.21.0 All All All
Application Amazon Firecracker 0.21.1 All All All
Application Amazon Firecracker 0.20.0 All All All
Application Amazon Firecracker 0.21.0 All All All
Application Amazon Firecracker 0.21.1 All All All

References

ReferenceSourceLinkTags
CVE-2020-16843: Firecracker v0.20.0, v0.21.0 and v0.21.1 network stack can freeze under heavy ingress traffic · Issue #2057 · firecracker-microvm/firecracker · GitHub MISC github.com Mitigation, Third Party Advisory
oss-security - CVE-2020-16843: Firecracker v0.20.0, v0.21.0 and v0.21.1 network stack can freeze under heavy ingress traffic MISC www.openwall.com Mailing List, Third Party Advisory
oss-security - CVE-2020-16843: Firecracker v0.20.0, v0.21.0 and v0.21.1 network stack can freeze under heavy ingress traffic MLIST www.openwall.com Mailing List, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report