medium6.2
CVE-2021-32843
HyperKit is a toolkit for embedding hypervisor capabilities in an application.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mobyproject | Hyperkit | through 0.20210107 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/moby/hyperkit/commit/df0e46c7dbfd81a957d85e449ba41b52f6f7beb4
- https://github.com/moby/hyperkit/pull/313
- https://securitylab.github.com/advisories/GHSL-2021-054_057-moby-hyperkit/
- https://github.com/moby/hyperkit/commit/df0e46c7dbfd81a957d85e449ba41b52f6f7beb4
- https://github.com/moby/hyperkit/pull/313
- https://securitylab.github.com/advisories/GHSL-2021-054_057-moby-hyperkit/