{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-26383", "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "state": "PUBLISHED", "assignerShortName": "AMD", "dateReserved": "2021-01-29T21:24:26.160Z", "datePublished": "2025-09-05T23:21:25.947Z", "dateUpdated": "2025-09-05T23:21:25.947Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD", "dateUpdated": "2025-09-05T23:21:25.947Z"}, "affected": [{"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 5000 Series Mobile Processors with Radeon\u2122 Graphics", "versions": [{"version": "CezannePI-FP6 1.0.0.6", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 4000 Series Desktop Processors", "versions": [{"version": "ComboAM4v2 PI 1.2.0.5", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 7030 Series Mobile Processors with Radeon\u2122 Graphics", "versions": [{"version": "CezannePI-FP6 1.0.0.6", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 5000 Series Desktop Processors with Radeon\u2122 Graphics", "versions": [{"version": "ComboAM4v2 PI 1.2.0.5", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 4000 Series Mobile Processors with Radeon\u2122 Graphics", "versions": [{"version": "RenoirPI-FP6 1.0.0.7", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 Embedded V2000 Series Processors", "versions": [{"version": "EmbeddedPI-FP6_1.0.0.6", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Radeon\u2122 RX 5000 Series Graphics Products", "versions": [{"version": "AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45)", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Radeon\u2122 RX 6000 Series Graphics Products", "versions": [{"version": "AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45)", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Radeon\u2122 PRO W5000 Series Graphics Products", "versions": [{"version": "AMD Software: PRO Edition 23.Q1 (22.40.37.05)", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Radeon\u2122 PRO W6000 Series Graphics Products", "versions": [{"version": "AMD Software: PRO Edition 23.Q1 (22.40.37.05)", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Instinct\u2122 MI210", "versions": [{"version": "ROCm 6.4", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Instinct\u2122 MI250", "versions": [{"version": "ROCm 6.4", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Radeon\u2122 PRO V520 Graphics Products", "versions": [{"version": "Contact your AMD Customer Engineering representative", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Radeon\u2122 PRO V620 Graphics Products", "versions": [{"version": "Contact your AMD Customer Engineering representative", "status": "unaffected"}]}], "datePublic": "2025-09-05T23:00:23.803Z", "descriptions": [{"lang": "en", "value": "Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds memory access, potentially resulting in loss of integrity or availability.", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds memory access, potentially resulting in loss of integrity or availability.<br>"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write", "lang": "en", "type": "CWE"}]}], "references": [{"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html"}, {"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html"}, {"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "AMD PSIRT Automation 1.0"}, "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.9, "baseSeverity": "HIGH"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds memory access, potentially resulting in loss of integrity or availability."}], "id": "CVE-2021-26383", "lastModified": "2025-09-06T00:15:33.930", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.9, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 5.8, "source": "psirt@amd.com", "type": "Secondary"}]}, "published": "2025-09-06T00:15:33.930", "references": [{"source": "psirt@amd.com", "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html"}, {"source": "psirt@amd.com", "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html"}, {"source": "psirt@amd.com", "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html"}], "sourceIdentifier": "psirt@amd.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "psirt@amd.com", "type": "Secondary"}]}

{}

{}