CVE-2021-32843

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Summary

CVECVE-2021-32843
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-02-17 23:15:00 UTC
Updated2023-02-28 20:30:00 UTC
DescriptionHyperKit 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.

Risk And Classification

Problem Types: CWE-476

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mobyproject Hyperkit All All All All

References

ReferenceSourceLinkTags
Fix vi_pci_read null vc_cfgread function pointer dereference (GHSL-20… · moby/hyperkit@df0e46c · GitHub MISC github.com
Various fixes by fredericdalleau · Pull Request #313 · moby/hyperkit · GitHub MISC github.com
GHSL-2021-054_057: Code execution outside the virtualized guest in hyperkit - CVE-2021-32843, CVE-2021-32844, CVE-2021-32845, CVE-2021-32846 | GitHub Security Lab CONFIRM securitylab.github.com
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