{"id":"CVE-2021-26333","aliases":["EUVD-2021-13139","GHSA-rw97-q7v4-xhhq"],"status":"published","title":"AMD Chipset Driver Information Disclosure Vulnerability","description":"An information disclosure vulnerability exists in AMD Platform Security Processor (PSP) chipset driver. The discretionary access control list (DACL) may allow low privileged users to open a handle and send requests to the driver resulting in a potential data leak from uninitialized physical pages.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00517,"percentile":0.44516,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-269","CWE-909"],"published":"2021-09-21T10:49:49Z","modified":"2026-06-17T03:43:08Z","products":[{"vendor":"amd","product":"chipset_driver"},{"vendor":"amd","product":"psp driver"},{"vendor":"amd","product":"psp_driver"}],"references":[{"url":"http://seclists.org/fulldisclosure/2021/Sep/24","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/164202/AMD-Chipset-Driver-Information-Disclosure-Memory-Leak.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26333"},{"url":"https://github.com/advisories/GHSA-rw97-q7v4-xhhq"}],"sources":{"cve":[{"id":"CVE-2021-26333","title":"AMD Chipset Driver Information Disclosure Vulnerability","description":"An information disclosure vulnerability exists in AMD Platform Security Processor (PSP) chipset driver. The discretionary access control list (DACL) may allow low privileged users to open a handle and send requests to the driver resulting in a potential data leak from uninitialized physical pages.","status":"published","published":"2021-09-21T10:49:49.457Z","modified":"2026-05-28T19:51:07.976Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-13139","description":"An information disclosure vulnerability exists in AMD Platform Security Processor (PSP) chipset driver. The discretionary access control list (DACL) may allow low privileged users to open a handle and send requests to the driver resulting in a potential data leak from uninitialized physical pages.","status":"published","published":"2021-09-21T10:49:49Z","modified":"2026-05-28T19:51:07Z","updated_at":"2026-11-02T18:21:01.680356Z"}],"ghsa":[{"id":"GHSA-rw97-q7v4-xhhq","title":"An information disclosure vulnerability exists in AMD Platform Security Processor (PSP) chipset...","description":"An information disclosure vulnerability exists in AMD Platform Security Processor (PSP) chipset driver. The discretionary access control list (DACL) may allow low privileged users to open a handle and send requests to the driver resulting in a potential data leak from uninitialized physical pages.","status":"published","published":"2022-05-24T19:15:23Z","modified":"2023-01-30T05:02:26Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-269","CWE-909"],"updated_at":"2026-11-02T14:46:38.066268Z"}],"nvd":[{"id":"CVE-2021-26333","description":"An information disclosure vulnerability exists in AMD Platform Security Processor (PSP) chipset driver. The discretionary access control list (DACL) may allow low privileged users to open a handle and send requests to the driver resulting in a potential data leak from uninitialized physical pages.","status":"published","published":"2021-09-21T11:15:07.203Z","modified":"2026-06-17T03:43:08.573Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:C/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200","CWE-909"],"updated_at":"2026-11-02T14:06:58.933037Z"}]}}