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Medium severity6.2NVD Advisory· Published Feb 17, 2023· Updated Jun 17, 2026

CVE-2021-32843

CVE-2021-32843

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Mobyproject/hyperkit3 versions
    cpe:2.3:a:mobyproject:hyperkit:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:mobyproject:hyperkit:*:*:*:*:*:*:*:*range: <=0.20210107
    • (no CPE)range: <=0.20210107
    • (no CPE)range: 0.20210107

Patches

Vulnerability mechanics

References

3

News mentions

0

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