{"id":"CVE-2021-26351","aliases":["EUVD-2021-13157","GHSA-5pj8-h4rh-gp3h"],"status":"published","title":"Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct...","description":"Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Memory Access) read/write from/to invalid DRAM address that could result in denial of service.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00212,"percentile":0.1155,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-20"],"published":"2022-05-12T17:18:51Z","modified":"2026-06-17T03:43:12Z","products":[{"vendor":"amd","product":"athlon™ 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series"}],"references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26351"},{"url":"https://github.com/advisories/GHSA-5pj8-h4rh-gp3h"}],"sources":{"cve":[{"id":"CVE-2021-26351","description":"Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Memory Access) read/write from/to invalid DRAM address that could result in denial of service.","status":"published","published":"2022-05-12T17:18:51.729Z","modified":"2024-09-16T22:41:24.903Z","updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-13157","description":"Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Memory Access) read/write from/to invalid DRAM address that could result in denial of 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service.","status":"published","published":"2022-05-12T18:16:53.043Z","modified":"2026-06-17T03:43:12.577Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:07:06.029737Z"}]}}