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Status published
High
CVE-2021-26383
Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Affected Software
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 4000 Series Desktop Processors, AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics, AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ Embedded V2000 Series Processors, AMD Radeon™ RX 5000 Series Graphics Products, AMD Radeon™ RX 6000 Series Graphics Products, AMD Radeon™ PRO W5000 Series Graphics Products, AMD Radeon™ PRO W6000 Series Graphics Products, AMD Instinct™ MI210, AMD Instinct™ MI250, AMD Radeon™ PRO V520 Graphics Products, AMD Radeon™ PRO V620 Graphics Products
Vulnerable Versions:
CezannePI-FP6 1.0.0.6, ComboAM4v2 PI 1.2.0.5, RenoirPI-FP6 1.0.0.7, EmbeddedPI-FP6_1.0.0.6, AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45), AMD Software: PRO Edition 23.Q1 (22.40.37.05), ROCm 6.4, Contact your AMD Customer Engineering representative
Timeline
Official Publish:
September 5th, 2025
Last Modified:
September 8th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H