CVE-2021-46750 – Intel TEE Graphics Mailbox TMR Overlap Vulnerability

The following table lists the changes that have been made to the
CVE-2021-46750 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Sep. 06, 2025

    Action Type Old Value New Value
    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.
    Added CVSS V3.1 AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
    Added CWE CWE-190
    Added Reference https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html
    Added Reference https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html
    Added Reference https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html
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