CVE-2026-41156 GPU DDK - kernel<->fw CCB contains SYNC_PRIMITIVE_BLOCK firmware address without holding reference
A local attacker can exploit a use-after-free in the GPU driver to execute arbitrary code or escalate privileges on Android devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-41156?
CVE-2026-41156 is a high-severity use after free vulnerability in Imagination Technologies Graphics DDK, published on 19 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-416
Which versions are affected by CVE-2026-41156?
How do I fix CVE-2026-41156?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-41156 being exploited?
There is no known exploitation of CVE-2026-41156 in the wild and no public exploit code.
Sources
Also known as A-491024375, ASB-A-491024375, GHSA-fpwh-r7hr-w6hc.