CVE-2021-46750

Published: Sep 6, 2025

Modified: Sep 8, 2025

PUBLISHED

CVSS v3.1

3.0

LOW

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.

Vendor	Product	Versions
AMD	AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics	unaffected `PicassoPI-FP5 1.0.0.E`
AMD	AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics	unaffected `PicassoPI-FP5 1.0.0.E`
AMD	AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics	unaffected `RembrandtPI-FP7_0.0.8.0 RC1`
AMD	AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics	unaffected `RenoirPI-FP6 1.0.0.8`
AMD	AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics	unaffected `RembrandtPI-FP7_0.0.8.0 RC1`
AMD	AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics	unaffected `CezannePI-FP6 1.0.0.8`
AMD	AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics	unaffected `CezannePI-FP6 1.0.0.8`
AMD	AMD Ryzen™ 4000 Series Desktop Processors	unaffected `ComboAM4v2 PI 1.2.0.5`
AMD	AMD Ryzen™ Embedded R1000 Series Processors	unaffected `EmbeddedPI-FP5_1.2.0.A`
AMD	AMD Ryzen™ Embedded R2000 Series Processors	unaffected `EmbeddedR2KPI-FP5_1.0.0.2`
AMD	AMD Ryzen™ Embedded V1000 Series Processors	unaffected `EmbeddedPI-FP5_1.2.0.A`
AMD	AMD Ryzen™ Embedded V2000 Series Processors	unaffected `EmbeddedPI-FP6_1.0.0.6`
AMD	AMD Ryzen™ Embedded V3000 Series	unaffected `EmbeddedPI-FP7r2_1000`
AMD	AMD Radeon™ RX 6000 Series Graphics Products	unaffected `AMD Software: Adrenalin Edition 23.12.1 (23.30.13.01)`
AMD	AMD Radeon™ PRO W6000 Series Graphics Products	unaffected `AMD Software: PRO Edition 23.Q4 (23.30.13.03)`
AMD	AMD Radeon™ PRO V620 Graphics Products	unaffected `Contact your AMD Customer Engineering representative`