CVE-2026-49745

HIGH

GPU DDK - Unvalidated sHWPerfCtlDMABuf GPU-VA, DMA-write into FW privdata via MMU ctx 0

Title source: cna

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.

References (1)

Core 1

Core References

https://www.imaginationtech.com/gpu-driver-vulnerabilities/

Scores

CVSS v3 7.8

EPSS 0.0011

EPSS Percentile 1.5%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-823

Status published

Products (6)

Imagination Technologies/Graphics DDK 1.18 RTM2

Imagination Technologies/Graphics DDK 23.2 RTM2

Imagination Technologies/Graphics DDK 24.2 RTM2

Imagination Technologies/Graphics DDK 25.1 RTM2 - 25.3 RTM

Imagination Technologies/Graphics DDK 26.1 RTM1

Imagination Technologies/Graphics DDK 26.1 RTM2

Published Jul 24, 2026

Tracked Since Jul 24, 2026