{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-26377",
        "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
        "state": "PUBLISHED",
        "assignerShortName": "AMD",
        "dateReserved": "2021-01-29T21:24:26.157Z",
        "datePublished": "2025-09-06T15:18:56.502Z",
        "dateUpdated": "2025-09-08T13:47:10.991Z"
    },
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                "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
                "shortName": "AMD",
                "dateUpdated": "2025-09-06T15:18:56.502Z"
            },
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                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics",
                    "versions": [
                        {
                            "version": "CezannePI-FP6 1.0.0.8",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ Threadripper™ 3000 Series Processors",
                    "versions": [
                        {
                            "version": "CastlePeakPI-SP3r3 1.0.0.7",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors",
                    "versions": [
                        {
                            "version": "CastlePeakWSPI-sWRX8 1.0.0.9",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics",
                    "versions": [
                        {
                            "version": "CezannePI-FP6 1.0.0.8",
                            "status": "unaffected"
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                    ]
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                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors",
                    "versions": [
                        {
                            "version": "ChagallWSPI-sWRX8 1.0.0.2",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ 5000 Series Desktop Processors",
                    "versions": [
                        {
                            "version": "ComboAM4v2 PI 1.2.0.5",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics",
                    "versions": [
                        {
                            "version": "PicassoPI-FP5 1.0.0.E",
                            "status": "unaffected"
                        },
                        {
                            "version": "PollockPI-FT5 1.0.0.4",
                            "status": "unaffected"
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                    ]
                },
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                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics",
                    "versions": [
                        {
                            "version": "CezannePI-FP6 1.0.0.8",
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                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ 3000 Series Desktop Processors",
                    "versions": [
                        {
                            "version": "ComboAM4PI 1.0.0.9/ ComboAM4 V2 PI 1.2.0.8",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ 7030 Series Mobile processors with Radeon™ Graphics",
                    "versions": [
                        {
                            "version": "CezannePI-FP6 1.0.0.8",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ 4000 Series Desktop Processors",
                    "versions": [
                        {
                            "version": "ComboAM4v2 PI 1.2.0.5",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics",
                    "versions": [
                        {
                            "version": "RenoirPI-FP6 1.0.0.8",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ 5000 Series Desktop Processors",
                    "versions": [
                        {
                            "version": "ComboAM4 V2 PI 1.2.0.8",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics",
                    "versions": [
                        {
                            "version": "RembrandtPI-FP7_0.0.8.0 RC1",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ Embedded R1000 Series Processors",
                    "versions": [
                        {
                            "version": "EmbeddedPI-FP5_1.2.0.A",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ Embedded R2000 Series Processors",
                    "versions": [
                        {
                            "version": "EmbeddedR2KPI-FP5_1.0.0.2",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ Embedded 5000 Series Processors",
                    "versions": [
                        {
                            "version": "EmbAM4PI 1.0.0.2",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ Embedded V1000 Series Processors",
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                        {
                            "version": "EmbeddedPI-FP5_1.2.0.A",
                            "status": "unaffected"
                        }
                    ]
                },
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                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ Embedded V2000 Series Processors",
                    "versions": [
                        {
                            "version": "EmbeddedPI-FP6_1.0.0.6",
                            "status": "unaffected"
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                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Ryzen™ Embedded V3000 Series Processors",
                    "versions": [
                        {
                            "version": "EmbeddedPI-FP7r2_1000",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Radeon™ RX 5000 Series Graphics Products",
                    "versions": [
                        {
                            "version": "AMD Software: Adrenalin Edition 24.7.1 (24.10.29.01)",
                            "status": "unaffected"
                        },
                        {
                            "version": "AMD Software: PRO Edition 24.Q2 (24.10.20)",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Radeon™ PRO W5000 Series Graphics Products",
                    "versions": [
                        {
                            "version": "AMD Software: PRO Edition 24.Q2 (24.10.20)",
                            "status": "unaffected"
                        }
                    ]
                },
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                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Radeon™ RX 6000 Series Graphics Products",
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                        {
                            "version": "AMD Software: Adrenalin Edition 24.7.1 (24.10.29.01)",
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                        },
                        {
                            "version": "AMD Software: PRO Edition 24.Q2 (24.10.20)",
                            "status": "unaffected"
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                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Radeon™ PRO W6000 Series Graphics Products",
                    "versions": [
                        {
                            "version": "AMD Software: PRO Edition 24.Q2 (24.10.20)",
                            "status": "unaffected"
                        }
                    ]
                },
                {
                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Radeon™ Instinct™ MI25 Graphics Products",
                    "versions": [
                        {
                            "version": "Contact your AMD Customer Engineering representative",
                            "status": "unaffected"
                        }
                    ]
                },
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                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Radeon™ PRO V520 Graphics Products",
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                            "version": "Contact your AMD Customer Engineering representative",
                            "status": "unaffected"
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                    "defaultStatus": "affected",
                    "vendor": "AMD",
                    "product": "AMD Radeon™ PRO V620 Graphics Products",
                    "versions": [
                        {
                            "version": "Contact your AMD Customer Engineering representative",
                            "status": "unaffected"
                        }
                    ]
                }
            ],
            "datePublic": "2025-09-06T14:57:52.467Z",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may allow for a malicious userspace process to trigger an integer overflow, leading to a potential denial of service.",
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            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-190",
                            "description": "CWE-190  Integer Overflow or Wraparound",
                            "lang": "en",
                            "type": "CWE"
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            "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"
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            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "AMD PSIRT Automation 1.0"
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                        "attackComplexity": "HIGH",
                        "privilegesRequired": "HIGH",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH",
                        "baseScore": 4.1,
                        "baseSeverity": "MEDIUM"
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