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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 58%
VendorProductVersion
amazonfirecracker
0.20.0
amazonfirecracker
0.21.0
amazonfirecracker
0.21.1
𝑥
= Vulnerable software versions
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