CVE-2026-41154 GPU DDK - Incorrect Index Calculation in CMA Cleanup Path of AllocOSPages_Sparse

High 7.8 Published 10 Jul 2026 Updated 13 Jul 2026

A local attacker can trigger out-of-bounds kernel memory access via GPU API calls, 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: None listed

What is CVE-2026-41154?

CVE-2026-41154 is a high-severity memory corruption vulnerability in Imagination Technologies Graphics DDK, published on 10 Jul 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 cause OOB kernel memory reads or writes through GPU API calls.

When indexing pages larger than 4kB in the page freeing logic of the sparse memory implementation, incorrect buffer indexing leads to OOB access.

Weakness: CWE-787

Which versions are affected by CVE-2026-41154?

It affects 1 product.

Products include Imaginationtech Ddk.

How do I fix CVE-2026-41154?

No fix has been published for CVE-2026-41154 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-41154 being exploited?

There is no known exploitation of CVE-2026-41154 in the wild and no public exploit code.

Sources

Also known as GHSA-cf99-7243-p2v7.