CVE-2021-26400 (GCVE-0-2021-26400)
Vulnerability from cvelistv5
Published
2022-05-11 16:36
Modified
2024-09-17 04:05
Severity ?
EPSS score ?
Summary
AMD processors may speculatively re-order load instructions which can result in stale data being observed when multiple processors are operating on shared memory, resulting in potential data leakage.
References
Impacted products
Vendor | Product | Version | ||
---|---|---|---|---|
AMD | AMD Processors |
Version: Processor All Supported Processors |
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references: [ { tags: [ "x_refsource_MISC", ], url: "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1035", }, ], source: { discovery: "EXTERNAL", }, x_generator: { engine: "Vulnogram 0.0.9", }, x_legacyV4Record: { CVE_data_meta: { ASSIGNER: "psirt@amd.com", DATE_PUBLIC: "2022-05-10T20:30:00.000Z", ID: "CVE-2021-26400", STATE: "PUBLIC", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "AMD Processors", version: { version_data: [ { version_affected: "=", version_name: "Processor", version_value: "All Supported Processors", }, ], }, }, ], }, vendor_name: "AMD", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "AMD processors may speculatively re-order load instructions which can result in stale data being observed when multiple processors are operating on shared memory, resulting in potential data leakage.", }, ], }, generator: { engine: "Vulnogram 0.0.9", }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "NA", }, ], }, ], }, references: { reference_data: [ { name: "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1035", refsource: "MISC", url: "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1035", }, ], }, source: { discovery: "EXTERNAL", }, }, }, }, cveMetadata: { assignerOrgId: "b58fc414-a1e4-4f92-9d70-1add41838648", assignerShortName: "AMD", cveId: "CVE-2021-26400", datePublished: "2022-05-11T16:36:21.153693Z", dateReserved: "2021-01-29T00:00:00", dateUpdated: "2024-09-17T04:05:04.063Z", state: "PUBLISHED", }, dataType: "CVE_RECORD", dataVersion: "5.1", "vulnerability-lookup:meta": { fkie_nvd: { configurations: "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:h:amd:cpu:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"8CA12CA3-1320-4AF1-8F1A-22F97BB66027\"}]}]}]", descriptions: "[{\"lang\": \"en\", \"value\": 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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.