CVE-2021-46750

Published Sep 6, 2025 CVSS 3.1 · 3 Low EPSS < 1% KEV · Not listed
Description
Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-33406 Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.
History
Type Values Removed Values Added
First Time appeared Amd
Amd athlon
Amd athlon 3000
Amd radeon Pro V620
Amd radeon Pro W6000
Amd radeon Rx 6000
Amd ryzen 3000
Amd ryzen 4000
Amd ryzen 5000
Amd ryzen 6000
Amd ryzen 7000
Amd ryzen 7030
Vendors & Products Amd
Amd athlon
Amd athlon 3000
Amd radeon Pro V620
Amd radeon Pro W6000
Amd radeon Rx 6000
Amd ryzen 3000
Amd ryzen 4000
Amd ryzen 5000
Amd ryzen 6000
Amd ryzen 7000
Amd ryzen 7030
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 Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.
Weaknesses CWE-190
References
Metrics cvssV3_1

{'score': 3, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N'}