CVE-2026-45202 GPU DDK - Silent High-Order CMA Memory Leak & Double Free in `_FreeOSPages_Fast`
A non-privileged user can trigger a double free in the GPU driver, potentially leading to kernel heap corruption and privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-45202?
CVE-2026-45202 is a medium-severity use after free vulnerability in Imagination Technologies Graphics DDK, published on 21 Aug 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 GPU system calls which cause GPU memory leaks and possible kernel heap corruption.
Scenario caused by memory free paths not maintaining state data of upgraded higher order allocations. This could cause memory leak or double free event.
Weakness: CWE-415
Which versions are affected by CVE-2026-45202?
How do I fix CVE-2026-45202?
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-2026-45202 being exploited?
There is no known exploitation of CVE-2026-45202 in the wild and no public exploit code.
Sources
Also known as A-524220121, ASB-A-524220121, GHSA-r4gp-788h-8rfj.