Vulnerability Details CVE-2020-16843
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 65.0%
CVSS Severity
CVSS v3 Score 5.9
CVSS v2 Score 4.3
References
- http://www.openwall.com/lists/oss-security/2020/08/13/1
- https://github.com/firecracker-microvm/firecracker/issues/2057
- https://www.openwall.com/lists/oss-security/2020/08/13/1
- http://www.openwall.com/lists/oss-security/2020/08/13/1
- https://github.com/firecracker-microvm/firecracker/issues/2057
- https://www.openwall.com/lists/oss-security/2020/08/13/1
Products affected by CVE-2020-16843
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cpe:2.3:a:amazon:firecracker:0.20.0
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cpe:2.3:a:amazon:firecracker:0.21.0
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cpe:2.3:a:amazon:firecracker:0.21.1