CVE-2026-41156 – GPU DDK – kernelfw CCB contains SYNC_PRIMITIVE_BLOCK firmware address without holding reference

CVE ID :CVE-2026-41156

Published : June 19, 2026, 9:28 a.m. | 2 hours, 14 minutes ago

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.

Severity: 0.0 | NA

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