CVE-2026-22166— GPU DDK - Write UAF in KEGLGetPoolBuffers, WebGL reachable
Possible ATT&CK Techniques 1AI
T1203 · Exploitation for Client ExecutionAffected Version Matrix 5
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Imagination Technologies | Graphics DDK | 1.18 RTM | affected |
23.2 RTM | affected | ||
24.1 RTM≤ 24.2 RTM | affected | ||
25.1 RTM≤ 25.3 RTM | affected | ||
26.1 RTM | unaffected |
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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: 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 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: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
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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News Coverage for CVE-2026-22166 (1)
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-2026-49746
GPU DDK - Dimension Mismatch and Integer Truncation in PMRDe - CVE-2026-45204
GPU DDK - Out of bounds memory access and kernel NULL pointe - CVE-2026-45198
GPU DDK - RGXFWIF_SYSINIT::sCorememDataStore is untrusted - CVE-2026-16280
GPU DDK - Integer overflow in _PMRLogicalOffsetToPhysicalOff - CVE-2026-49745
GPU DDK - Unvalidated sHWPerfCtlDMABuf GPU-VA, DMA-write int
Same vendor: Imagination Technologies
- CVE-2026-49746
GPU DDK - Dimension Mismatch and Integer Truncation in PMRDe - CVE-2026-45204
GPU DDK - Out of bounds memory access and kernel NULL pointe - CVE-2026-45198
GPU DDK - RGXFWIF_SYSINIT::sCorememDataStore is untrusted - CVE-2026-16280
GPU DDK - Integer overflow in _PMRLogicalOffsetToPhysicalOff - CVE-2026-49745
GPU DDK - Unvalidated sHWPerfCtlDMABuf GPU-VA, DMA-write int
Same weakness: CWE-416
- CVE-2026-49306
time模块UAF漏洞，影响可用性 - CVE-2026-12366
Use-after-free freeing an armed dynamically-allocated k_time - CVE-2026-12365
Use-after-free in Zephyr delayable work-queue cancellation u - CVE-2026-11937
Security vulnerabilities have been found in IBM Verify Ident - CVE-2026-19548
Binutils: binutils: multiple use-after-free in add_archive_e
V. Comments for CVE-2026-22166
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