medium6.2
CVE-2021-32844
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, ` 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.
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/451558fe8aaa8b24e02e34106e3bb9fe41d7ad13
- https://github.com/moby/hyperkit/pull/313
- https://securitylab.github.com/advisories/GHSL-2021-054_057-moby-hyperkit/
- https://github.com/moby/hyperkit/commit/451558fe8aaa8b24e02e34106e3bb9fe41d7ad13
- https://github.com/moby/hyperkit/pull/313
- https://securitylab.github.com/advisories/GHSL-2021-054_057-moby-hyperkit/