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    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-21977",
        "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
        "state": "PUBLISHED",
        "assignerShortName": "AMD",
        "dateReserved": "2024-01-03T16:43:30.196Z",
        "datePublished": "2025-09-05T12:58:39.312Z",
        "dateUpdated": "2025-09-05T13:35:08.152Z"
    },
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                            "version": "MilanPI 1.0.0.D",
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                            "version": "RembrandtPI-FP7/FP7r2_1.0.0.B",
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                    "defaultStatus": "affected",
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                            "version": "ComboAM4v2 1.2.0.Cb",
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                            "version": "RembrandtPI-FP7/FP7r2_1.0.0.B",
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                            "version": "DragonRangeFL1 1.0.0.3e",
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                    "product": "AMD EPYC™ Embedded 7003 Series Processors",
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                        {
                            "version": "EmbMilanPI-SP3 1.0.0.9",
                            "status": "unaffected"
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                    "product": "AMD Ryzen™ Embedded V3000 Series Processors",
                    "versions": [
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                            "version": "Embedded-PI_FP7r2 100A",
                            "status": "unaffected"
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            ],
            "datePublic": "2025-09-05T12:37:57.776Z",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Incomplete cleanup after loading a CPU microcode patch may allow a privileged attacker to degrade the entropy of the RDRAND instruction, potentially resulting in loss of integrity for SEV-SNP guests.",
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                            "value": "Incomplete cleanup after loading a CPU microcode patch may allow a privileged attacker to degrade the entropy of the RDRAND instruction, potentially resulting in loss of integrity for SEV-SNP guests.<br>"
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            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-459",
                            "description": "CWE-459  Incomplete Cleanup",
                            "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-5007.html"
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                {
                    "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3014.html"
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            "source": {
                "discovery": "UNKNOWN"
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                        "attackComplexity": "LOW",
                        "privilegesRequired": "HIGH",
                        "userInteraction": "NONE",
                        "scope": "CHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "LOW",
                        "availabilityImpact": "NONE",
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                                "timestamp": "2025-09-05T13:34:55.383175Z",
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