{"id":"CVE-2021-26312","state":"PUBLISHED","title":"Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resultin","description":"Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity.","publishedAt":"2021-11-16T17:55:24.198Z","updatedAt":"2024-09-16T17:54:14.669Z","severity":null,"assigner":"AMD","products":["AMD EPYC™ Processors","AMD Ryzen™ Series","AMD Athlon™ Series"],"affected":[{"vendor":"AMD","product":"EPYC™ Processors","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"Ryzen™ Series","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"Athlon™ Series","versions":[{"version":"various","status":"affected"}]}],"references":["https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027","https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028"],"weaknesses":["CWE-665"],"ingestedAt":"2026-10-29T19:48:13.210Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/26xxx/CVE-2021-26312.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-26312","state":"PUBLISHED","datePublished":"2021-11-16T17:55:24.198Z","dateUpdated":"2024-09-16T17:54:14.669Z","assignerShortName":"AMD","assignerOrgId":"b58fc414-a1e4-4f92-9d70-1add41838648","dateReserved":"2021-01-29T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity."}],"affected":[{"vendor":"AMD","product":"EPYC™ Processors","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"Ryzen™ Series","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"Athlon™ Series","versions":[{"version":"various","status":"affected"}]}],"references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027","tags":["x_refsource_MISC"]},{"url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-665","description":"CWE-665 Improper Initialization","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"AMD","dateUpdated":"2022-05-11T16:30:46.000Z","orgId":"b58fc414-a1e4-4f92-9d70-1add41838648"},"datePublic":"2022-05-10T00:00:00.000Z","source":{"advisory":"AMD-SB-1027 and AMD-SB-1028","discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@amd.com","DATE_PUBLIC":"2022-05-10T20:00:00.000Z","ID":"CVE-2021-26312","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"EPYC™ Processors","version":{"version_data":[{"version_affected":"=","version_value":"various"}]}},{"product_name":"Ryzen™ Series","version":{"version_data":[{"version_affected":"=","version_value":"various"}]}},{"product_name":"Athlon™ Series","version":{"version_data":[{"version_affected":"=","version_value":"various"}]}}]},"vendor_name":"AMD"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity."}]},"generator":{"engine":"Vulnogram 0.0.9"},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-665 Improper Initialization"}]}]},"references":{"reference_data":[{"name":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027","refsource":"MISC","url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027"},{"name":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028","refsource":"MISC","url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028"}]},"source":{"advisory":"AMD-SB-1027 and AMD-SB-1028","discovery":"UNKNOWN"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T20:19:20.142Z"}}]}}}