{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-20511", "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "state": "PUBLISHED", "assignerShortName": "AMD", "dateReserved": "2022-10-27T18:53:39.735Z", "datePublished": "2026-08-31T18:15:06.410Z", "dateUpdated": "2026-08-31T18:15:06.410Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD", "dateUpdated": "2026-08-31T18:15:06.410Z"}, "affected": [{"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Radeon\u2122 Instinct\u2122 MI25 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": "2026-08-31T16:45:52.118Z", "descriptions": [{"lang": "en", "value": "Release of an invalid pointer in the AMD kernel mode driver (KMD) could allow a privileged attacker to create a double free condition potentially leading to arbitrary code execution.", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Release of an invalid pointer in the AMD kernel mode driver (KMD) could allow a privileged attacker to create a double free condition potentially leading to arbitrary code execution.<br>"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-763", "description": "CWE-763 Release of Invalid Pointer or Reference", "lang": "en", "type": "CWE"}]}], "references": [{"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "AMD PSIRT Automation 1.0"}, "metrics": [{"cvssV3_0": {"version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "affected", "product": "AMD Radeon\u2122 Instinct\u2122 MI25 Graphics Products", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "Contact your AMD Customer Engineering representative"}]}, {"defaultStatus": "affected", "product": "AMD Radeon\u2122 PRO V620 Graphics Products", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "Contact your AMD Customer Engineering representative"}]}], "source": "psirt@amd.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Release of an invalid pointer in the AMD kernel mode driver (KMD) could allow a privileged attacker to create a double free condition potentially leading to arbitrary code execution."}], "id": "CVE-2023-20511", "lastModified": "2026-08-31T19:16:44.380", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 0.5, "impactScore": 5.9, "source": "psirt@amd.com", "type": "Secondary"}]}, "published": "2026-08-31T19:16:44.380", "references": [{"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-763"}], "source": "psirt@amd.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "AMD Radeon\u2122 Instinct\u2122 MI25 Graphics Products", "source": "cna", "vendor": "AMD"}, "product": "radeon_instinct_mi25_graphics_products", "vendor": "amd"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "AMD Radeon\u2122 PRO V620 Graphics Products", "source": "cna", "vendor": "AMD"}, "product": "radeon_pro_v620_graphics_products", "vendor": "amd"}], "created": "2026-08-31T20:00:05.562571+00:00", "title": "Double Free Vulnerability in AMD Kernel Mode Driver", "updated": "2026-08-31T21:20:34.175782+00:00", "vendors": ["amd", "amd$PRODUCT$radeon_instinct_mi25_graphics_products", "amd$PRODUCT$radeon_pro_v620_graphics_products"]}