CVE-2026-0001 Mali GPU Kernel Driver allows access to already freed memory
A local attacker can exploit a use-after-free flaw in Mali GPU drivers to access freed memory, potentially leading to code execution or 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-2026-0001?
CVE-2026-0001 is a medium-severity use after free vulnerability in Arm 5th Gen GPU Architecture Kernel Driver, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform valid GPU memory processing operations to access already freed memory.
This issue affects Bifrost GPU Kernel Driver: from r41p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0.
Weakness: CWE-416
Which versions are affected by CVE-2026-0001?
How do I fix CVE-2026-0001?
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-2026-0001 being exploited?
There is no known exploitation of CVE-2026-0001 in the wild and no public exploit code.
Sources
Also known as A-466377983, ASB-A-466377983.