CVE-2021-26383
Published: Sep 5, 2025
Modified: Sep 8, 2025
CVSS v3.1
7.9
Description
Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds memory access, potentially resulting in loss of integrity or availability.
| Vendor | Product | Versions |
|---|---|---|
AMD | AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics | unaffected CezannePI-FP6 1.0.0.6 |
AMD | AMD Ryzen™ 4000 Series Desktop Processors | unaffected ComboAM4v2 PI 1.2.0.5 |
AMD | AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics | unaffected CezannePI-FP6 1.0.0.6 |
AMD | AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics | unaffected ComboAM4v2 PI 1.2.0.5 |
AMD | AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics | unaffected RenoirPI-FP6 1.0.0.7 |
AMD | AMD Ryzen™ Embedded V2000 Series Processors | unaffected EmbeddedPI-FP6_1.0.0.6 |
AMD | AMD Radeon™ RX 5000 Series Graphics Products | unaffected AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45) |
AMD | AMD Radeon™ RX 6000 Series Graphics Products | unaffected AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45) |
AMD | AMD Radeon™ PRO W5000 Series Graphics Products | unaffected AMD Software: PRO Edition 23.Q1 (22.40.37.05) |
AMD | AMD Radeon™ PRO W6000 Series Graphics Products | unaffected AMD Software: PRO Edition 23.Q1 (22.40.37.05) |
AMD | AMD Instinct™ MI210 | unaffected ROCm 6.4 |
AMD | AMD Instinct™ MI250 | unaffected ROCm 6.4 |
AMD | AMD Radeon™ PRO V520 Graphics Products | unaffected Contact your AMD Customer Engineering representative |
AMD | AMD Radeon™ PRO V620 Graphics Products | unaffected Contact your AMD Customer Engineering representative |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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