CVE-2026-22166— GPU DDK - Write UAF in KEGLGetPoolBuffers, WebGL reachable
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I. Basic Information for CVE-2026-22166
Vulnerability Information
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Vulnerability Title
GPU DDK - Write UAF in KEGLGetPoolBuffers, WebGL reachable
Source: NVD (National Vulnerability Database)
Vulnerability Description
A web page that contains unusual WebGPU content loaded into the GPU GLES render process and can trigger write UAF crash in the GPU GLES user-space shared library. On certain platforms, when the process executing graphics workload has system privileges this could enable subsequent exploit on the system.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Imagination Graphics DDK 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Imagination Graphics DDK是英国Imagination公司的一款GPU驱动工具套件。 Imagination Graphics DDK存在资源管理错误漏洞，该漏洞源于WebGPU内容加载到GPU GLES渲染进程时触发写入释放后重用崩溃，可能导致后续利用。
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-2026-22166
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Imagination Technologies · 2026-05-01 · 3 CVEs total
| CVE-2026-22167 | GPU DDK - Cache resident PM buffers writable by other GPU requestors, leading to arbitrary | |
| CVE-2026-22165 | GPU DDK - UAF read of GLES3Context::psDrawParams and GLES3Context::psMode and UAF read/wri |
IV. Related Vulnerabilities
Same product: Graphics DDK
- CVE-2026-22165
GPU DDK - UAF read of GLES3Context::psDrawParams and GLES3Co - CVE-2026-22167
GPU DDK - Cache resident PM buffers writable by other GPU re - CVE-2026-21733
RESERVED - CVE-2026-22163
GPU DDK - Unsafe writing of MMU PT entries on systems with 3 - CVE-2026-21732
GPU DDK - libusc OOB write at ConvertSwitchToArrayLookupBP d
Same vendor: Imagination Technologies
- CVE-2026-22165
GPU DDK - UAF read of GLES3Context::psDrawParams and GLES3Co - CVE-2026-22167
GPU DDK - Cache resident PM buffers writable by other GPU re - CVE-2026-21733
RESERVED - CVE-2026-22163
GPU DDK - Unsafe writing of MMU PT entries on systems with 3 - CVE-2026-21732
GPU DDK - libusc OOB write at ConvertSwitchToArrayLookupBP d
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