Out-of-bounds write in AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
Priority LOW 34CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00174 6th percentileScored 2026-11-07
Fix Fixed AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics (AMD): CezannePI-FP6 1.0.0.6AMD Ryzen™ 4000 Series Desktop Processors (AMD): ComboAM4v2 PI 1.2.0.5+12 more products
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| AMD | AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics | — | CezannePI-FP6 1.0.0.6 | Patch available | CNA |
| AMD | AMD Ryzen™ 4000 Series Desktop Processors | — | ComboAM4v2 PI 1.2.0.5 | Patch available | CNA |
| AMD | AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics | — | CezannePI-FP6 1.0.0.6 | Patch available | CNA |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics | — | ComboAM4v2 PI 1.2.0.5 | Patch available | CNA |
| AMD | AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics | — | RenoirPI-FP6 1.0.0.7 | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded V2000 Series Processors | — | EmbeddedPI-FP6_1.0.0.6 | Patch available | CNA |
| AMD | AMD Radeon™ RX 5000 Series Graphics Products | — | AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45) | Patch available | CNA |
| AMD | AMD Radeon™ RX 6000 Series Graphics Products | — | AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45) | Patch available | CNA |
| AMD | AMD Radeon™ PRO W5000 Series Graphics Products | — | AMD Software: PRO Edition 23.Q1 (22.40.37.05) | Patch available | CNA |
| AMD | AMD Radeon™ PRO W6000 Series Graphics Products | — | AMD Software: PRO Edition 23.Q1 (22.40.37.05) | Patch available | CNA |
| AMD | AMD Instinct™ MI210 | — | ROCm 6.4 | Patch available | CNA |
| AMD | AMD Instinct™ MI250 | — | ROCm 6.4 | Patch available | CNA |
| AMD | AMD Radeon™ PRO V520 Graphics Products | — | Contact your AMD Customer Engineering representative | Patch available | CNA |
| AMD | AMD Radeon™ PRO V620 Graphics Products | — | Contact your AMD Customer Engineering representative | Patch available | CNA |
- AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected — Fixed in CezannePI-FP6 1.0.0.6 Patch available CNA
- AMD Ryzen™ 4000 Series Desktop Processors VendorAMD Affected — Fixed in ComboAM4v2 PI 1.2.0.5 Patch available CNA
- AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected — Fixed in CezannePI-FP6 1.0.0.6 Patch available CNA
- AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics VendorAMD Affected — Fixed in ComboAM4v2 PI 1.2.0.5 Patch available CNA
- AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected — Fixed in RenoirPI-FP6 1.0.0.7 Patch available CNA
- AMD Ryzen™ Embedded V2000 Series Processors VendorAMD Affected — Fixed in EmbeddedPI-FP6_1.0.0.6 Patch available CNA
- AMD Radeon™ RX 5000 Series Graphics Products VendorAMD Affected — Fixed in AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45) Patch available CNA
- AMD Radeon™ RX 6000 Series Graphics Products VendorAMD Affected — Fixed in AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45) Patch available CNA
- AMD Radeon™ PRO W5000 Series Graphics Products VendorAMD Affected — Fixed in AMD Software: PRO Edition 23.Q1 (22.40.37.05) Patch available CNA
- AMD Radeon™ PRO W6000 Series Graphics Products VendorAMD Affected — Fixed in AMD Software: PRO Edition 23.Q1 (22.40.37.05) Patch available CNA
- AMD Instinct™ MI210 VendorAMD Affected — Fixed in ROCm 6.4 Patch available CNA
- AMD Instinct™ MI250 VendorAMD Affected — Fixed in ROCm 6.4 Patch available CNA
- AMD Radeon™ PRO V520 Graphics Products VendorAMD Affected — Fixed in Contact your AMD Customer Engineering representative Patch available CNA
- AMD Radeon™ PRO V620 Graphics Products VendorAMD Affected — Fixed in Contact your AMD Customer Engineering representative Patch available CNA
Remediation
- Fix · CNA AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics (AMD) Fixed in CezannePI-FP6 1.0.0.6
- Fix · CNA AMD Ryzen™ 4000 Series Desktop Processors (AMD) Fixed in ComboAM4v2 PI 1.2.0.5
- Fix · CNA AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics (AMD) Fixed in CezannePI-FP6 1.0.0.6
- Fix · CNA AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics (AMD) Fixed in ComboAM4v2 PI 1.2.0.5
- Fix · CNA AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics (AMD) Fixed in RenoirPI-FP6 1.0.0.7
- Fix · CNA AMD Ryzen™ Embedded V2000 Series Processors (AMD) Fixed in EmbeddedPI-FP6_1.0.0.6
- Fix · CNA AMD Radeon™ RX 5000 Series Graphics Products (AMD) Fixed in AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45)
- Fix · CNA AMD Radeon™ RX 6000 Series Graphics Products (AMD) Fixed in AMD Software: Adrenalin Edition 23.2.1 (22.40.01.45)
- Fix · CNA AMD Radeon™ PRO W5000 Series Graphics Products (AMD) Fixed in AMD Software: PRO Edition 23.Q1 (22.40.37.05)
- Fix · CNA AMD Radeon™ PRO W6000 Series Graphics Products (AMD) Fixed in AMD Software: PRO Edition 23.Q1 (22.40.37.05)
- Fix · CNA AMD Instinct™ MI210 (AMD) Fixed in ROCm 6.4
- Fix · CNA AMD Instinct™ MI250 (AMD) Fixed in ROCm 6.4
- Fix · CNA AMD Radeon™ PRO V520 Graphics Products (AMD) Fixed in Contact your AMD Customer Engineering representative
- Fix · CNA AMD Radeon™ PRO V620 Graphics Products (AMD) Fixed in Contact your AMD Customer Engineering representative
Timeline
- 2026-10-02 Threatist record created from CVE-2021-26383
- 2026-10-03 Alias added: GHSA-89mm-wx6j-wpmg
References
More AMD vulnerabilities
- TI-2026-36341 AI Tensor Engine for ROCm (AITER) 0.1.14 Unauthenticated RCE via MessageQueue.recv() Pickle Deserialization CVSS 4.0CRITICAL 9.2
- TI-2023-07046 Improper privilege management in AMD Radeon™ RX 5000 Series Graphics Cards CVSS 3.1HIGH 7.8
- TI-2023-04574 GPU kernel implementations susceptible to memory leak CVSS 3.1MEDIUM 6.5
- TI-2023-07042 Information disclosure through error messages in AMD Ryzen™ 3000 Series Desktop… CVSS 3.1MEDIUM 5.5
- TI-2023-23747 PVRIC (PowerVR Image Compression) on Imagination 2018 and later GPU devices offers… CVSS 3.1MEDIUM 5.3
- TI-2022-07839 Improper access control in System Management Mode (SMM) may allow an attacker to write to… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-26383 · CVE Program
- CVE-2021-26383 · NVD
- FIRST EPSS
- GHSA-89mm-wx6j-wpmg · GitHub Advisory Database · CC BY 4.0
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