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CVE-2026-45202— GPU DDK - Silent High-Order CMA Memory Leak & Double Free in `_FreeOSPages_Fast`

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公司的一款图形驱动程序开发套件。 Imagination Technologies Graphics DDK 1.18 RTM2版本、23.2 RTM2版本、24.2 RTM2版本、25.1 RTM2至25.3 RTM版本和26.1 RTM1版本存在资源管理错误漏洞，该漏洞源于内存释放路径未维护升级的高阶分配的状态数据，非特权用户通过GPU系统调用可能触发内存泄漏或双重释放，导致GP

AI Predicted 5.6 Difficulty: Moderate EPSS 0.14% · P3

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 6

VendorProduct Version RangeStatus
Imagination Technologies Graphics DDK 1.18 RTM2 affected
23.2 RTM2 affected
24.2 RTM2 affected
25.1 RTM2≤ 25.3 RTM affected
26.1 RTM1 affected
26.1 RTM2 unaffected
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I. Basic Information for CVE-2026-45202

Vulnerability Information
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Vulnerability Title
GPU DDK - Silent High-Order CMA Memory Leak & Double Free in `_FreeOSPages_Fast`
Source: CVE Program / CVE List V5
Vulnerability Description
Software installed and run as a non-privileged user may conduct GPU system calls which cause GPU memory leaks and possible kernel heap corruption. Scenario caused by memory free paths not maintaining state data of upgraded higher order allocations. This could cause memory leak or double free event.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
双重释放
Source: CVE Program / CVE List V5
Vulnerability Title
Imagination Technologies Graphics DDK 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Imagination Technologies Graphics DDK是Imagination Technologies公司的一款图形驱动程序开发套件。 Imagination Technologies Graphics DDK 1.18 RTM2版本、23.2 RTM2版本、24.2 RTM2版本、25.1 RTM2至25.3 RTM版本和26.1 RTM1版本存在资源管理错误漏洞，该漏洞源于内存释放路径未维护升级的高阶分配的状态数据，非特权用户通过GPU系统调用可能触发内存泄漏或双重释放，导致GP
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 RTM2 -

II. Public POCs for CVE-2026-45202

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III. Intelligence Information for CVE-2026-45202

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News Coverage for CVE-2026-45202 (1)

Same Patch Batch · Imagination Technologies · 2026-08-21 · 3 CVEs total

CVE-2026-45199 GPU DDK - rgxfw_to_ptr() does not reject FW private data pointers
CVE-2026-45201 GPU DDK - Incorrect page size validation in PhysmemNewRamBackedPMR could lead to OOB read

IV. Related Vulnerabilities

Same product: Graphics DDK
Same vendor: Imagination Technologies
Same weakness: CWE-415

V. Comments for CVE-2026-45202

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