CVE-2021-26383

Published Sep 5, 2025 CVSS 3.1 · 7.9 High EPSS < 1% KEV · Not listed
Description
Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds memory access, potentially resulting in loss of integrity or availability.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-13189 Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds memory access, potentially resulting in loss of integrity or availability.
History
Type Values Removed Values Added
First Time appeared Amd
Amd instinct Mi210
Amd instinct Mi250
Amd radeon Pro V520
Amd radeon Pro V620
Amd radeon Pro W5000
Amd radeon Pro W6000
Amd radeon Rx 5000
Amd radeon Rx 6000
Amd ryzen 4000
Vendors & Products Amd
Amd instinct Mi210
Amd instinct Mi250
Amd radeon Pro V520
Amd radeon Pro V620
Amd radeon Pro W5000
Amd radeon Pro W6000
Amd radeon Rx 5000
Amd radeon Rx 6000
Amd ryzen 4000
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds memory access, potentially resulting in loss of integrity or availability.
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 7.9, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H'}