github.com
https://github.com/moby/hyperkit/commit/df0e46c7dbfd81a957d85e449ba41b52f6f7beb4 CVE-2021-32843
MEDIUM
Record summary
CVE-2021-32843 has a selected CVSS score of 6.2 (medium).
Description
HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior of HyperKit, `virtio.c` has is a call to `vc_cfgread` that does not check for null which when called makes the host crash. This issue may lead to a guest crashing the host causing a denial of service. This issue is fixed in commit df0e46c7dbfd81a957d85e449ba41b52f6f7beb4.
Description source: CVE List
Exploitation context
CISA SSVC decision
ExploitationNone
AutomatableNo
Technical impactPartial
CISA Coordinator · SSVC 2.0.3 · Evaluated Mar 10, 2025 · Source: CVE List
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
hyperkitBrowse moby / hyperkit | CVE List | 0.20210107 to ≤ 0.20210107 | affected |
References
4github.com
https://github.com/moby/hyperkit/pull/313 nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2021-32843 securitylab.github.com
https://securitylab.github.com/advisories/GHSL-2021-054_057-moby-hyperkit