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CVE-2026-49744— GPU DDK - Unchecked ui32TracePointer in rgxfw_log_ex()

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的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，该漏洞源于内核软件向GPU固件发送不当命令，导致越界访问，可能允许权限提升并逃逸虚拟化边界。

AI Predicted 8.1 Difficulty: Hard EPSS 0.16% · P5

Possible ATT&CK Techniques 2 AI

T1055 · Process Injection T1206

Affected Version Matrix 5

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
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I. Basic Information for CVE-2026-49744

Vulnerability Information
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Vulnerability Title
GPU DDK - Unchecked ui32TracePointer in rgxfw_log_ex()
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. Out of bounds accesses triggered by malware introduced to a Guest KMD could allow privilege escalation which escapes virtualization boundaries.
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的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，该漏洞源于内核软件向GPU固件发送不当命令，导致越界访问，可能允许权限提升并逃逸虚拟化边界。
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-2026-49744

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III. Intelligence Information for CVE-2026-49744

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News Coverage for CVE-2026-49744 (1)

Same Patch Batch · Imagination Technologies · 2026-07-24 · 4 CVEs total

CVE-2026-49745 GPU DDK - Unvalidated sHWPerfCtlDMABuf GPU-VA, DMA-write into FW privdata via MMU ctx 0
CVE-2026-49743 GPU DDK - Write UAF of sync checkpoint in GPU kick function after export fence file descri
CVE-2026-16280 GPU DDK - Integer overflow in _PMRLogicalOffsetToPhysicalOffset

IV. Related Vulnerabilities

Same product: Graphics DDK
Same vendor: Imagination Technologies
Same weakness: CWE-823

V. Comments for CVE-2026-49744

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