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CVE-2026-45204— GPU DDK - Out of bounds memory access and kernel NULL pointer dereference in DmaTransfer when pui64Address is a pointer to device memory

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版本存在异常处理不当漏洞，该漏洞源于非特权用户执行不当GPU系统调用，触发越界访问和内核空指针解引用，导致内核异常、平台不稳定和拒绝服务。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.15% · P4

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-2026-45204

Vulnerability Information
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Vulnerability Title
GPU DDK - Out of bounds memory access and kernel NULL pointer dereference in DmaTransfer when pui64Address is a pointer to device memory
Source: CVE Program / CVE List V5
Vulnerability Description
Software installed and run as a non-privileged user may conduct improper GPU system calls to trigger OOB access and kernel null pointer dereference in an error path. Null pointer dereference occurs in an error path of a function running in kernel thread of execution leading to kernel exceptions, platform instability and denial of service.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Imagination Technologies Graphics DDK 异常处理不当漏洞
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版本存在异常处理不当漏洞，该漏洞源于非特权用户执行不当GPU系统调用，触发越界访问和内核空指针解引用，导致内核异常、平台不稳定和拒绝服务。
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-2026-45204

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III. Intelligence Information for CVE-2026-45204

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News Coverage for CVE-2026-45204 (1)

Same Patch Batch · Imagination Technologies · 2026-08-07 · 3 CVEs total

CVE-2026-45198 GPU DDK - RGXFWIF_SYSINIT::sCorememDataStore is untrusted
CVE-2026-49746 GPU DDK - Dimension Mismatch and Integer Truncation in PMRDevPhysAddrOSMem

IV. Related Vulnerabilities

Same product: Graphics DDK
Same vendor: Imagination Technologies
Same weakness: CWE-476

V. Comments for CVE-2026-45204

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