CVE-2021-46750

LOW EPSS 3.7%
Published Sep 6, 20259mo ago · Modified Jun 17, 20261w ago
3.0 CVSS 3.1
Low
Find Similar
Published Sep 6, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
3.0
Exploitability
0.5
Impact
2.5
Vector string
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
Attack Vector Local
Attack Complexity High
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
3.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-190 Integer Overflow or Wraparound Numeric Error

References 3

  • amd.com https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html
  • amd.com https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html
  • amd.com https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.