GPU DDK - Security fix for PP-171570 can lead to an uninitialised pointer dereference and memory leak
Priority LOW 39CWE-416Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
Possible memory leak or kernel exceptions caused by reading kernel heap data after free or NULL pointer dereference kernel exception.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00365 30th percentileScored 2026-11-07
Fix Fixed Graphics DDK (Imagination Technologies): 25.1 RTM2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 |
|---|---|---|---|---|---|
| Imagination Technologies | Graphics DDK | 1.15 RTM; 1.17 RTM; 1.18 RTM; 23.2 RTM – 25.1 RTM1 | 25.1 RTM2 | Patch available | CNA |
- Graphics DDK VendorImagination Technologies Affected 1.15 RTM; 1.17 RTM; 1.18 RTM; 23.2 RTM – 25.1 RTM1 Fixed in 25.1 RTM2 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:imaginationtech:ddk:*:*:*:*:*:*:*:* | 1.17 – 25.1 | Vulnerable | Imagination Technologies |
- cpe:2.3:a:imaginationtech:ddk:*:*:*:*:*:*:*:* Versions 1.17 – 25.1 Vulnerable ·Imagination Technologies
Remediation
- Fix · CNA Graphics DDK (Imagination Technologies) Fixed in 25.1 RTM2
Timeline
- 2026-10-02 Threatist record created from CVE-2025-46709
- 2026-10-03 Alias added: GHSA-g442-cv6p-6f3m
References
More Imagination Technologies Ddk vulnerabilities
- TI-2023-04574 GPU kernel implementations susceptible to memory leak CVSS 3.1MEDIUM 6.5
- TI-2026-13612 GPU DDK - Integer overflow in _PMRLogicalOffsetToPhysicalOffset CVSS 3.1CRITICAL 9.8
- TI-2025-12749 GPU DDK - libusc UAF via WebGPU shaders at MergeConsecutiveBarriersBP CVSS 3.1CRITICAL 9.8
- TI-2025-18845 GPU DDK - GPU Register value contents leaked from secure workloads to non-secure world CVSS 3.1CRITICAL 9.1
- TI-2026-17504 GPU DDK - libusc OOB write at ConvertSwitchToArrayLookupBP during WebGPU shader compilation CVSS 3.1CRITICAL 9.6
- TI-2026-17506 GPU DDK - libusc OOB write at TreeRemove during WebGPU shader compilation CVSS 3.1HIGH 7.7
Sources
- CVE-2025-46709 · CVE Program
- CVE-2025-46709 · NVD
- FIRST EPSS
- GHSA-g442-cv6p-6f3m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences