{"id":"CVE-2021-26377","aliases":["EUVD-2021-13183","GHSA-hj42-9vr8-7fj2"],"status":"published","title":"Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may...","description":"Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may allow for a malicious userspace process to trigger an integer overflow, leading to a potential denial of service.","severity":{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00157,"percentile":0.04941,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2025-09-06T15:18:56Z","modified":"2026-06-17T03:43:16Z","products":[{"vendor":"amd","product":"amd athlon™ 3000 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd radeon™ instinct™ mi25 graphics products"},{"vendor":"amd","product":"amd radeon™ pro v520 graphics products"},{"vendor":"amd","product":"amd radeon™ pro v620 graphics products"},{"vendor":"amd","product":"amd radeon™ pro w5000 series graphics products"},{"vendor":"amd","product":"amd radeon™ pro w6000 series graphics products"},{"vendor":"amd","product":"amd radeon™ rx 5000 series graphics products"},{"vendor":"amd","product":"amd radeon™ rx 6000 series graphics products"},{"vendor":"amd","product":"amd ryzen™ 3000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ 4000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ 4000 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 5000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ 5000 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 5000 series processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 6000 series processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 7030 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ embedded 5000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded r1000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded r2000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded v1000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded v2000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded v3000 series processors"},{"vendor":"amd","product":"amd ryzen™ threadripper™ 3000 series processors"},{"vendor":"amd","product":"amd ryzen™ threadripper™ pro 3000wx series processors"},{"vendor":"amd","product":"amd ryzen™ threadripper™ pro 5000 wx-series processors"}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html"},{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html"},{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26377"},{"url":"https://github.com/advisories/GHSA-hj42-9vr8-7fj2"}],"sources":{"cve":[{"id":"CVE-2021-26377","description":"Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may allow for a malicious userspace process to trigger an integer overflow, leading to a potential denial of 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allocating process space in the Trusted OS (TOS) may allow for a malicious userspace process to trigger an integer overflow, leading to a potential denial of service.","status":"published","published":"2025-09-06T18:30:32Z","modified":"2025-09-06T18:30:39Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T15:03:31.573808Z"}],"nvd":[{"id":"CVE-2021-26377","description":"Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may allow for a malicious userspace process to trigger an integer overflow, leading to a potential denial of service.","status":"published","published":"2025-09-06T16:15:29.973Z","modified":"2026-06-17T03:43:16.507Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:07:09.005706Z"}]}}