CVE-2021-26383 (GCVE-0-2021-26383)

Vulnerability from cvelistv5 – Published: 2025-09-05 23:21 – Updated: 2025-09-08 13:49
VLAI
Summary
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.
Severity
7.9 (High)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
CWE
Assigner
AMD
References
Impacted products
Vendor Product Version
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics Unaffected: CezannePI-FP6 1.0.0.6
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AMD AMD Ryzen™ 4000 Series Desktop Processors Unaffected: ComboAM4v2 PI 1.2.0.5
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AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics Unaffected: CezannePI-FP6 1.0.0.6
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AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics Unaffected: ComboAM4v2 PI 1.2.0.5
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AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics Unaffected: RenoirPI-FP6 1.0.0.7
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AMD AMD Ryzen™ Embedded V2000 Series Processors Unaffected: EmbeddedPI-FP6_1.0.0.6
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AMD AMD Radeon™ RX 5000 Series Graphics Products Unaffected: AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45)
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AMD AMD Radeon™ RX 6000 Series Graphics Products Unaffected: AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45)
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AMD AMD Radeon™ PRO W5000 Series Graphics Products Unaffected: AMD Software: PRO Edition 23.Q1 (22.40.37.05)
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AMD AMD Radeon™ PRO W6000 Series Graphics Products Unaffected: AMD Software: PRO Edition 23.Q1 (22.40.37.05)
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AMD AMD Instinct™ MI210 Unaffected: ROCm 6.4
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AMD AMD Instinct™ MI250 Unaffected: ROCm 6.4
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AMD AMD Radeon™ PRO V520 Graphics Products Unaffected: Contact your AMD Customer Engineering representative
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AMD AMD Radeon™ PRO V620 Graphics Products Unaffected: Contact your AMD Customer Engineering representative
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Date Public
2025-09-05 23:00
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.