Time-of-check time-of-use race condition in AMD Ryzen™ 7045 Series Mobile Processors with…
Priority LOW 20CWE-367Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read or write, potentially resulting in loss of confidentiality, integrity, or availability.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00141 3rd percentileScored 2026-11-07
Fix Fixed AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics (AMD): DragonRangeFL1PI 1.0.0.3hAMD Ryzen™ 7000 Series Desktop Processors (AMD): ComboAM5PI 1.0.0.b, ComboAM5PI 1.1.0.3d, ComboAM5PI 1.2.0.3d+4 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™ 7045 Series Mobile Processors with Radeon™ Graphics | — | DragonRangeFL1PI 1.0.0.3h | Patch available | CNA |
| AMD | AMD Ryzen™ 7000 Series Desktop Processors | — | ComboAM5PI 1.0.0.b, ComboAM5PI 1.1.0.3d, ComboAM5PI 1.2.0.3d | Patch available | CNA |
| AMD | AMD Ryzen™ 9000HX Series Mobile Processors | — | FireRangeFL1PI 1.0.0.0a | Patch available | CNA |
| AMD | AMD Ryzen™ 8000 Series Desktop Processors | — | ComboAM5PI 1.1.0.3d, ComboAM5PI 1.2.0.3d | Patch available | CNA |
| AMD | AMD Ryzen™ 9000 Series Desktop Processors | — | ComboAM5PI 1.2.0.3d | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded 7000 Series Processors | — | EmbeddedAM5PI 1.0.0.4 | Patch available | CNA |
- AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected — Fixed in DragonRangeFL1PI 1.0.0.3h Patch available CNA
- AMD Ryzen™ 7000 Series Desktop Processors VendorAMD Affected — Fixed in ComboAM5PI 1.0.0.b, ComboAM5PI 1.1.0.3d, ComboAM5PI 1.2.0.3d Patch available CNA
- AMD Ryzen™ 9000HX Series Mobile Processors VendorAMD Affected — Fixed in FireRangeFL1PI 1.0.0.0a Patch available CNA
- AMD Ryzen™ 8000 Series Desktop Processors VendorAMD Affected — Fixed in ComboAM5PI 1.1.0.3d, ComboAM5PI 1.2.0.3d Patch available CNA
- AMD Ryzen™ 9000 Series Desktop Processors VendorAMD Affected — Fixed in ComboAM5PI 1.2.0.3d Patch available CNA
- AMD Ryzen™ Embedded 7000 Series Processors VendorAMD Affected — Fixed in EmbeddedAM5PI 1.0.0.4 Patch available CNA
Remediation
- Fix · CNA AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics (AMD) Fixed in DragonRangeFL1PI 1.0.0.3h
- Fix · CNA AMD Ryzen™ 7000 Series Desktop Processors (AMD) Fixed in ComboAM5PI 1.0.0.b, ComboAM5PI 1.1.0.3d, ComboAM5PI 1.2.0.3d
- Fix · CNA AMD Ryzen™ 9000HX Series Mobile Processors (AMD) Fixed in FireRangeFL1PI 1.0.0.0a
- Fix · CNA AMD Ryzen™ 8000 Series Desktop Processors (AMD) Fixed in ComboAM5PI 1.1.0.3d, ComboAM5PI 1.2.0.3d
- Fix · CNA AMD Ryzen™ 9000 Series Desktop Processors (AMD) Fixed in ComboAM5PI 1.2.0.3d
- Fix · CNA AMD Ryzen™ Embedded 7000 Series Processors (AMD) Fixed in EmbeddedAM5PI 1.0.0.4
Timeline
- 2026-10-02 Threatist record created from CVE-2024-36311
- 2026-10-03 Alias added: GHSA-x6hx-69p4-ccw5
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-2024-36311 · CVE Program
- CVE-2024-36311 · NVD
- FIRST EPSS
- GHSA-x6hx-69p4-ccw5 · GitHub Advisory Database · CC BY 4.0
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