{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "state": "PUBLISHED", "cveId": "CVE-2021-32843", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "dateUpdated": "2025-03-10T21:10:07.604Z", "dateReserved": "2021-05-12T00:00:00.000Z", "datePublished": "2023-02-17T00:00:00.000Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-02-17T00:00:00.000Z" }, "descriptions": [ { "lang": "en", "value": "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": [ { "vendor": "moby", "product": "hyperkit", "versions": [ { "version": "0.20210107", "status": "affected", "lessThanOrEqual": "0.20210107", "versionType": "custom" } ] } ], "references": [ { "url": "https://securitylab.github.com/advisories/GHSL-2021-054_057-moby-hyperkit/" }, { "url": "https://github.com/moby/hyperkit/pull/313" }, { "url": "https://github.com/moby/hyperkit/commit/df0e46c7dbfd81a957d85e449ba41b52f6f7beb4" } ], "metrics": [ { "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.2, "baseSeverity": "MEDIUM" } } ], "problemTypes": [ { "descriptions": [ { "type": "CWE", "lang": "en", "description": "CWE-476 NULL Pointer Dereference", "cweId": "CWE-476" } ] } ], "x_generator": { "engine": "Vulnogram 0.0.9" }, "source": { "advisory": "GHSL-2021-054", "defect": [ "GHSL-2021-054" ], "discovery": "UNKNOWN" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:33:56.083Z" }, "title": "CVE Program Container", "references": [ { "url": "https://securitylab.github.com/advisories/GHSL-2021-054_057-moby-hyperkit/", "tags": [ "x_transferred" ] }, { "url": "https://github.com/moby/hyperkit/pull/313", "tags": [ "x_transferred" ] }, { "url": "https://github.com/moby/hyperkit/commit/df0e46c7dbfd81a957d85e449ba41b52f6f7beb4", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2025-03-10T20:57:28.101100Z", "id": "CVE-2021-32843", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-10T21:10:07.604Z" } } ] } }