{"id":"CVE-2021-32843","state":"PUBLISHED","title":"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 ","description":"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.","publishedAt":"2023-02-17T00:00:00.000Z","updatedAt":"2025-03-10T21:10:07.604Z","severity":{"score":6.2,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["moby hyperkit"],"affected":[{"vendor":"moby","product":"hyperkit","versions":[{"version":"0.20210107","status":"affected","lessThanOrEqual":"0.20210107","versionType":"custom"}]}],"references":["https://securitylab.github.com/advisories/GHSL-2021-054_057-moby-hyperkit/","https://github.com/moby/hyperkit/pull/313","https://github.com/moby/hyperkit/commit/df0e46c7dbfd81a957d85e449ba41b52f6f7beb4"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T19:48:33.225Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/32xxx/CVE-2021-32843.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-32843","state":"PUBLISHED","datePublished":"2023-02-17T00:00:00.000Z","dateUpdated":"2025-03-10T21:10:07.604Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2021-05-12T00:00:00.000Z"},"containers":{"cna":{"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":[{"cweId":"CWE-476","type":"CWE","lang":"en","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2023-02-17T00:00:00.000Z"},"x_generator":{"engine":"Vulnogram 0.0.9"},"source":{"advisory":"GHSL-2021-054","defect":["GHSL-2021-054"],"discovery":"UNKNOWN"}},"adp":[{"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"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T23:33:56.083Z"}},{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-03-10T21:10:07.604Z"}}]}}}