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CVE-2026-45199— GPU DDK - rgxfw_to_ptr() does not reject FW private data pointers

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版本和25.1 RTM2至25.3 RTM版本存在缓冲区错误漏洞，该漏洞源于客户机虚拟机中运行的内核软件向GPU固件发布不当命令，导致越界内存访问，可能被利用来提升权限。

AI Predicted 8.8 Difficulty: Moderate EPSS 0.16% · P5

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 unaffected
26.1 RTM2 unaffected
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I. Basic Information for CVE-2026-45199

Vulnerability Information
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Vulnerability Title
GPU DDK - rgxfw_to_ptr() does not reject FW private data pointers
Source: CVE Program / CVE List V5
Vulnerability Description
Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a write of data outside the Guest's virtualised GPU memory. Software installed and run under a Guest VM can send commands to the GPU which result in out of bounds memory accesses. These can be used to escalate privileges.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用越界的指针偏移
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版本和25.1 RTM2至25.3 RTM版本存在缓冲区错误漏洞，该漏洞源于客户机虚拟机中运行的内核软件向GPU固件发布不当命令，导致越界内存访问，可能被利用来提升权限。
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-2026-45199

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III. Intelligence Information for CVE-2026-45199

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News Coverage for CVE-2026-45199 (1)

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

CVE-2026-45202 GPU DDK - Silent High-Order CMA Memory Leak & Double Free in `_FreeOSPages_Fast`
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-823

V. Comments for CVE-2026-45199

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