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CVE-2021-46750

Published: Sep 6, 2025Updated: Sep 8, 2025 Sources: CVE List NVDCWE-190
NVD MITRE
3.0CVSSLOW
EPSS Score
0.1%
Top 96.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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 Vector Breakdown

AV:LAC:HPR:HUI:NS:UC:LI:LA:N
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-190

Affected Products

AMD Athlon™ 3000 Series Mobile Processors with Radeon™ GraphicsAMDHardware Firmware
AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ GraphicsAMDHardware Firmware
AMD Ryzen™ 7035 Series Processors with Radeon™ GraphicsAMDHardware Firmware
AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ GraphicsAMDHardware Firmware
AMD Ryzen™ 6000 Series Processors with Radeon™ GraphicsAMDHardware Firmware
amdcommercialUSHardware Firmwareaka advanced micro devices
and 11 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

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

Timeline

Published
Sep 6, 2025
Last Updated
Sep 8, 2025

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