CVE-2021-26383

State
Published
Severity
7.9 High
Published
Sep 5, 2025
Updated
Sep 8, 2025
Reserved
Jan 29, 2021

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.9 HighCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:HAMD

Weaknesses

Affected Products

ProductVersions
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ GraphicsAMD
  • CezannePI-FP6 1.0.0.6Not affected
AMD Ryzen™ 4000 Series Desktop ProcessorsAMD
  • ComboAM4v2 PI 1.2.0.5Not affected
AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ GraphicsAMD
  • CezannePI-FP6 1.0.0.6Not affected
AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ GraphicsAMD
  • ComboAM4v2 PI 1.2.0.5Not affected
AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ GraphicsAMD
  • RenoirPI-FP6 1.0.0.7Not affected
AMD Ryzen™ Embedded V2000 Series ProcessorsAMD
  • EmbeddedPI-FP6_1.0.0.6Not affected
AMD Radeon™ RX 5000 Series Graphics ProductsAMD
  • AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45)Not affected
AMD Radeon™ RX 6000 Series Graphics ProductsAMD
  • AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45)Not affected
AMD Radeon™ PRO W5000 Series Graphics ProductsAMD
  • AMD Software: PRO Edition 23.Q1 (22.40.37.05)Not affected
AMD Radeon™ PRO W6000 Series Graphics ProductsAMD
  • AMD Software: PRO Edition 23.Q1 (22.40.37.05)Not affected
AMD Instinct™ MI210AMD
  • ROCm 6.4Not affected
AMD Instinct™ MI250AMD
  • ROCm 6.4Not affected
AMD Radeon™ PRO V520 Graphics ProductsAMD
  • Contact your AMD Customer Engineering representativeNot affected
AMD Radeon™ PRO V620 Graphics ProductsAMD
  • Contact your AMD Customer Engineering representativeNot affected

References

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