CVE-2026-34192 GPU DDK - _MMU_AllocLevel error recovery paths leave dangling page table entries
A non-privileged user can trigger a use-after-free in the GPU driver via improper system calls, potentially leading to code execution or privilege escalation.
- 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-2026-34192?
CVE-2026-34192 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 an error path leading to UAF of GPU page tables.
The vulnerability allows physical memory allocated for MMU page tables to be used after being freed. This was caused by an error path that would not cleanup properly before freeing the physical allocation.
Weakness: CWE-416
Which versions are affected by CVE-2026-34192?
How do I fix CVE-2026-34192?
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-2026-34192 being exploited?
There is no known exploitation of CVE-2026-34192 in the wild and no public exploit code.
Sources
Also known as A-491040696, ASB-A-491040696, GHSA-q7pr-p3c5-mgvj.