{ "schema_version": "1.4.0", "id": "GHSA-x6m4-8q2v-7x97", "modified": "2023-02-28T21:30:16Z", "published": "2023-02-18T00:31:58Z", "aliases": [ "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.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-32843" }, { "type": "WEB", "url": "https://github.com/moby/hyperkit/pull/313" }, { "type": "WEB", "url": "https://github.com/moby/hyperkit/commit/df0e46c7dbfd81a957d85e449ba41b52f6f7beb4" }, { "type": "ADVISORY", "url": "https://securitylab.github.com/advisories/GHSL-2021-054_057-moby-hyperkit" } ], "database_specific": { "cwe_ids": [ "CWE-476" ], "severity": "MODERATE", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2023-02-17T23:15:00Z" } }