CVE-2021-46750 json
Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messag…
published 2025-09-06 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2021-33406
- cvss
- 3.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 4%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics PicassoPI-FP5 1.0.0.E
- AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics PicassoPI-FP5 1.0.0.E
- AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics RembrandtPI-FP7_0.0.8.0 RC1
- AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics RenoirPI-FP6 1.0.0.8
- AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics RembrandtPI-FP7_0.0.8.0 RC1
- AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics CezannePI-FP6 1.0.0.8
- AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics CezannePI-FP6 1.0.0.8
- AMD AMD Ryzen™ 4000 Series Desktop Processors ComboAM4v2 PI 1.2.0.5
- AMD AMD Ryzen™ Embedded R1000 Series Processors EmbeddedPI-FP5_1.2.0.A
- AMD AMD Ryzen™ Embedded R2000 Series Processors EmbeddedR2KPI-FP5_1.0.0.2
- AMD AMD Ryzen™ Embedded V1000 Series Processors EmbeddedPI-FP5_1.2.0.A
- AMD AMD Ryzen™ Embedded V2000 Series Processors EmbeddedPI-FP6_1.0.0.6
- AMD AMD Ryzen™ Embedded V3000 Series EmbeddedPI-FP7r2_1000
- AMD AMD Radeon™ RX 6000 Series Graphics Products AMD Software: Adrenalin Edition 23.12.1 (23.30.13.01)
- AMD AMD Radeon™ PRO W6000 Series Graphics Products AMD Software: PRO Edition 23.Q4 (23.30.13.03)
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 14 mo ago
Exploit prediction
0.16% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.0 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N |
Affected products
- AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 4000 Series Desktop Processors
- AMD AMD Ryzen™ Embedded R1000 Series Processors
- AMD AMD Ryzen™ Embedded R2000 Series Processors
- AMD AMD Ryzen™ Embedded V1000 Series Processors
- AMD AMD Ryzen™ Embedded V2000 Series Processors
- AMD AMD Ryzen™ Embedded V3000 Series
- AMD AMD Radeon™ RX 6000 Series Graphics Products
- AMD AMD Radeon™ PRO W6000 Series Graphics Products
- AMD AMD Radeon™ PRO V620 Graphics Products
Classification
- Weakness
-
- CWE-190 Integer Overflow or Wraparound
References
Sources
- CVE List CVE-2021-46750
- NVD CVE-2021-46750
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.