CVE-2023-20511

{"id": "CVE-2023-20511", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-20511", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-01T03:56:25.992251Z"}}], "cvssMetricV30": [{"type": "Secondary", "source": "psirt@amd.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 6.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.5}]}, "affected": [{"source": "psirt@amd.com", "affectedData": [{"vendor": "AMD", "product": "AMD Radeon\u2122 Instinct\u2122 MI25 Graphics Products", "versions": [{"status": "unaffected", "version": "Contact your AMD Customer Engineering representative"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Radeon\u2122 PRO V620 Graphics Products", "versions": [{"status": "unaffected", "version": "Contact your AMD Customer Engineering representative"}], "defaultStatus": "affected"}]}], "published": "2026-08-31T19:16:44.380", "references": [{"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html", "source": "psirt@amd.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "psirt@amd.com", "description": [{"lang": "en", "value": "CWE-763"}]}], "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."}], "lastModified": "2026-09-03T16:37:52.170", "sourceIdentifier": "psirt@amd.com"}