Vulnerability Monitor

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CVE-2021-32843

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.

Published

2023-02-17T23:15:11.803

Last Modified

2024-11-21T06:07:51.983

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.2 (MEDIUM)

Weaknesses

Type: Secondary
CWE-476
Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mobyproject	hyperkit	≤ 0.20210107	Yes

References

https://github.com/moby/hyperkit/commit/df0e46c7dbfd81a957d85e449ba41b52f6f7beb4 Patch ([email protected])
https://github.com/moby/hyperkit/pull/313 Patch ([email protected])
https://securitylab.github.com/advisories/GHSL-2021-054_057-moby-hyperkit/ Third Party Advisory ([email protected])
https://github.com/moby/hyperkit/commit/df0e46c7dbfd81a957d85e449ba41b52f6f7beb4 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/moby/hyperkit/pull/313 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://securitylab.github.com/advisories/GHSL-2021-054_057-moby-hyperkit/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)