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CVE-2026-34195— GPU DDK - Kernel heap OOB write in PMRChangeSparseMemOSMem due to incorrect physical page translation from virtual page indexes

Quick assessment

Affected
Imagination Technologies Graphics DDK
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Imagination Technologies Graphics DDK是Imagination Technologies的图形驱动程序开发套件。 Imagination Technologies Graphics DDK存在安全漏洞，该漏洞源于稀疏分配重映射时内部状态索引错误，可能导致非特权用户调用GPU稀疏内存API造成内核越界写入。

AI Predicted 6.5 Difficulty: Moderate EPSS 0.48% · P39

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 6

VendorProduct Version RangeStatus
Imagination Technologies Graphics DDK 1.18 RTM unaffected
23.2 RTM unaffected
24.2 RTM affected
25.1 RTM≤ 25.3 RTM affected
26.1 RTM unaffected
26.2 RTM unaffected
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I. Basic Information for CVE-2026-34195

Vulnerability Information
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Vulnerability Title
GPU DDK - Kernel heap OOB write in PMRChangeSparseMemOSMem due to incorrect physical page translation from virtual page indexes
Source: CVE Program / CVE List V5
Vulnerability Description
Software installed and run as a non-privileged user may conduct intentional GPU sparse memory API calls to cause out of bounds write in the kernel. The product incorrectly indexes internal state when performing sparse allocation remapping.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Imagination Technologies Graphics DDK 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Imagination Technologies Graphics DDK是Imagination Technologies的图形驱动程序开发套件。 Imagination Technologies Graphics DDK存在安全漏洞，该漏洞源于稀疏分配重映射时内部状态索引错误，可能导致非特权用户调用GPU稀疏内存API造成内核越界写入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Imagination Technologies Graphics DDK 1.18 RTM -

II. Public POCs for CVE-2026-34195

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III. Intelligence Information for CVE-2026-34195

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News Coverage for CVE-2026-34195 (1)

Same Patch Batch · Imagination Technologies · 2026-06-12 · 4 CVEs total

CVE-2026-41155 GPU DDK - SharedSecMem mapped into all GPU virtual address spaces
CVE-2026-41157 GPU DDK - OOB Write in CalculateNPOTTwiddleSparsePageMap3D
CVE-2026-41158 GPU DDK - Backed sparse PMRs are not handled by deferred free mechanism after shrink

IV. Related Vulnerabilities

Same product: Graphics DDK
Same vendor: Imagination Technologies
Same weakness: CWE-787

V. Comments for CVE-2026-34195

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