{"containers":{"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"descriptions":[{"lang":"en","value":"An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer (the CommBuffer+8 location)."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2022-02-22T19:07:05.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"tags":["x_refsource_MISC"],"url":"https://www.insyde.com/security-pledge"},{"tags":["x_refsource_CONFIRM"],"url":"https://security.netapp.com/advisory/ntap-20220216-0004/"},{"tags":["x_refsource_CONFIRM"],"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-45969","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer (the CommBuffer+8 location)."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://www.insyde.com/security-pledge","refsource":"MISC","url":"https://www.insyde.com/security-pledge"},{"name":"https://security.netapp.com/advisory/ntap-20220216-0004/","refsource":"CONFIRM","url":"https://security.netapp.com/advisory/ntap-20220216-0004/"},{"name":"https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf","refsource":"CONFIRM","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"}]}}},"adp":[{"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://www.insyde.com/security-pledge"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://security.netapp.com/advisory/ntap-20220216-0004/"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"},{"url":"https://www.kb.cert.org/vuls/id/796611"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-04T19:12:47.447Z"}}]},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2021-45969","datePublished":"2022-01-05T23:00:28.000Z","dateReserved":"2022-01-01T00:00:00.000Z","dateUpdated":"2025-11-04T19:12:47.447Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"}