CVE-2021-32844

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Summary

CVECVE-2021-32844
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-02-17 23:15:00 UTC
Updated2023-02-28 20:29:00 UTC
DescriptionHyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior of HyperKit, ` vi_pci_write` has is a call to `vc_cfgwrite` 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 451558fe8aaa8b24e02e34106e3bb9fe41d7ad13.

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_write null vc_cfgwrite function pointer dereference (GHSL-… · moby/hyperkit@451558f · 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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