{"id":"CVE-2021-32843","details":"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.","modified":"2026-05-17T11:55:07.066918476Z","published":"2023-02-17T23:15:11.803Z","database_specific":{},"references":[{"type":"ADVISORY","url":"https://securitylab.github.com/advisories/GHSL-2021-054_057-moby-hyperkit/"},{"type":"FIX","url":"https://github.com/moby/hyperkit/commit/df0e46c7dbfd81a957d85e449ba41b52f6f7beb4"},{"type":"FIX","url":"https://github.com/moby/hyperkit/pull/313"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}