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CVE-2026-41157— GPU DDK - OOB Write in CalculateNPOTTwiddleSparsePageMap3D

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 存在缓冲区错误漏洞，该漏洞源于计算所需内存大小时整数溢出，可能导致越界写入并引发内存损坏和浏览器/GPU进程崩溃。

AI Predicted 8.8 Difficulty: Moderate EPSS 0.52% · P42

Affected Version Matrix 6

VendorProduct Version RangeStatus
Imagination Technologies Graphics DDK 1.18 RTM affected
23.2 RTM affected
24.2 RTM affected
25.1 RTM≤ 25.3 RTM affected
26.1 RTM affected
26.2 RTM unaffected
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I. Basic Information for CVE-2026-41157

Vulnerability Information
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Vulnerability Title
GPU DDK - OOB Write in CalculateNPOTTwiddleSparsePageMap3D
Source: CVE Program / CVE List V5
Vulnerability Description
A web page that contains unusual WebGPU content loaded into the GPU GLES render process and can trigger an out-of-bound write in the GPU user-space driver, leading to memory corruption and possible browser/GPU process crash. The software computes a required memory size from untrusted input, but integer overflow can produce a value smaller than needed. Subsequent write operations may then occur past the intended memory boundary, corrupting adjacent memory and causing process instability or termination.
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 存在缓冲区错误漏洞，该漏洞源于计算所需内存大小时整数溢出，可能导致越界写入并引发内存损坏和浏览器/GPU进程崩溃。
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-2026-41157

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III. Intelligence Information for CVE-2026-41157

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News Coverage for CVE-2026-41157 (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-2026-41158 GPU DDK - Backed sparse PMRs are not handled by deferred free mechanism after shrink
CVE-2026-34195 GPU DDK - Kernel heap OOB write in PMRChangeSparseMemOSMem due to incorrect physical page

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-41157

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