CVE-2020-16843

Source
https://cve.org/CVERecord?id=CVE-2020-16843
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-16843.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-16843
Published
2020-08-04T20:15:12.430Z
Modified
2026-07-09T00:21:19.489265Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/firecracker-microvm/firecracker

Affected ranges

Type
GIT
Repo
https://github.com/firecracker-microvm/firecracker
Events
Database specific
{
    "cpe": [
        "cpe:2.3:a:amazon:firecracker:0.20.0:*:*:*:*:*:*:*",
        "cpe:2.3:a:amazon:firecracker:0.21.0:*:*:*:*:*:*:*",
        "cpe:2.3:a:amazon:firecracker:0.21.1:*:*:*:*:*:*:*"
    ],
    "extracted_events": [
        {
            "introduced": "0.20.0"
        },
        {
            "last_affected": "0.20.0"
        },
        {
            "introduced": "0.21.0"
        },
        {
            "last_affected": "0.21.0"
        },
        {
            "introduced": "0.21.1"
        },
        {
            "last_affected": "0.21.1"
        }
    ],
    "source": "CPE_STRING"
}

Affected versions

0.*
0.20.0
0.21.0
0.21.1
v0.*
v0.20.0
v0.21.0
v0.21.1

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-16843.json"