CVE-2026-41156

HIGH

GPU DDK - kernel<->fw CCB contains SYNC_PRIMITIVE_BLOCK firmware address without holding reference

Title source: cna

Description

Software installed and run as a non-privileged user may conduct improper GPU system calls to cause mismanagement of resources creating a write use after free scenario. A shared resource (memory page) managed by a CPU thread of control (driver) and accessed by a GPU thread of control (Firmware) can cause a write UAF when the CPU thread frees the resource before the GPU FW has finished accessing it.

References (1)

Core 1

Core References

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

Scores

CVSS v3 7.7

EPSS 0.0011

EPSS Percentile 1.5%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-416

Status published

Products (6)

Imagination Technologies/Graphics DDK 1.18 RTM

Imagination Technologies/Graphics DDK 23.2 RTM

Imagination Technologies/Graphics DDK 24.2 RTM

Imagination Technologies/Graphics DDK 25.1 RTM - 25.3 RTM

Imagination Technologies/Graphics DDK 26.1 RTM

Imagination Technologies/Graphics DDK 26.2 RTM

Published Jun 19, 2026

Tracked Since Jun 19, 2026