{"id":"CVE-2023-20564","aliases":["EUVD-2023-24743","GHSA-vxhh-8p3q-886v"],"status":"published","title":"Insufficient validation in the IOCTL (Input Output Control) input buffer in AMD Ryzen™...","description":"Insufficient validation in the IOCTL (Input Output Control) input buffer in AMD Ryzen™ Master may permit a privileged attacker to perform memory reads/writes potentially leading to a loss of confidentiality or arbitrary kernel execution.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00304,"percentile":0.23445,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2023-08-15T21:07:49Z","modified":"2026-06-17T05:30:19Z","exploits":[{"source":"pocgithub","id":"NtGabrielGomes/CVE-2023-20564","title":"NtGabrielGomes/CVE-2023-20564","date":"2025-11-18","url":"https://github.com/NtGabrielGomes/CVE-2023-20564"}],"products":[{"vendor":"amd","product":"ryzen"},{"vendor":"amd","product":"ryzen_master"},{"vendor":"amd","product":"ryzen_master_monitoring_sdk"},{"vendor":"amd","product":"ryzen™ master"}],"references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7004","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20564"},{"url":"https://github.com/advisories/GHSA-vxhh-8p3q-886v"}],"sources":{"cve":[{"id":"CVE-2023-20564","title":" ","description":"\n\n\n\n\n\n\nInsufficient validation in the IOCTL (Input Output Control) input buffer in AMD Ryzen™ Master may permit a privileged attacker to perform memory reads/writes potentially leading to a loss of confidentiality or arbitrary kernel execution.\n\n\n\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-08-15T21:07:49.838Z","modified":"2024-10-08T19:31:56.839Z","updated_at":"2026-11-02T14:35:13.912858Z"}],"euvd":[{"id":"EUVD-2023-24743","description":"\n\n\n\n\n\n\nInsufficient validation in the IOCTL (Input Output Control) input buffer in AMD Ryzen™ Master may permit a privileged attacker to perform memory reads/writes potentially leading to a loss of confidentiality or arbitrary kernel execution.\n\n\n\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-08-15T21:07:49Z","modified":"2024-10-08T19:31:56Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"none"}],"updated_at":"2026-11-03T00:27:44.844048Z"}],"ghsa":[{"id":"GHSA-vxhh-8p3q-886v","title":"\n\n\n\n\n\n\nInsufficient validation in the IOCTL (Input Output Control) input buffer in AMD Ryzen™...","description":"\n\n\n\n\n\n\nInsufficient validation in the IOCTL (Input Output Control) input buffer in AMD Ryzen™ Master may permit a privileged attacker to perform memory reads/writes potentially leading to a loss of confidentiality or arbitrary kernel execution.\n\n\n\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-08-16T00:31:01Z","modified":"2024-04-04T06:58:51Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:56:47.061253Z"}],"nvd":[{"id":"CVE-2023-20564","description":"\n\n\n\n\n\n\nInsufficient validation in the IOCTL (Input Output Control) input buffer in AMD Ryzen™ Master may permit a privileged attacker to perform memory reads/writes potentially leading to a loss of confidentiality or arbitrary kernel execution.\n\n\n\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-08-15T22:15:11.597Z","modified":"2026-06-17T05:30:19.24Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:08:24.487686Z"}]}}