CVE-2026-22163 GPU DDK - Unsafe writing of MMU PT entries on systems with 32-bit host CPU
Malicious code can exploit a race condition in the GPU driver to write to arbitrary physical memory, enabling privilege escalation on Android devices.
- 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-2026-22163?
CVE-2026-22163 is a high-severity vulnerability in Imagination Technologies Graphics DDK, published on 20 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Requires malware code to misuse the DDK kernel module IOCTL interface.
Such code can use the interface in an unsupported way that allows subversion of the GPU to perform writes to arbitrary physical memory pages.
The product utilises a shared resource in a concurrent manner but does not attempt to synchronise access to the resource.
Weakness: CWE-820
Which versions are affected by CVE-2026-22163?
It affects 1 product.
Products include Imaginationtech Ddk.
How do I fix CVE-2026-22163?
Apply the vendor's patch.
Is CVE-2026-22163 being exploited?
There is no known exploitation of CVE-2026-22163 in the wild and no public exploit code.
Other vulnerabilities in Imagination Technologies Graphics DDK
- CVE-2026-16280 GPU DDK - Integer overflow in _PMRLogicalOffsetToPhysicalOffset
- CVE-2025-13952 GPU DDK - libusc UAF via WebGPU shaders at MergeConsecutiveBarriersBP
- CVE-2026-21732 GPU DDK - libusc OOB write at ConvertSwitchToArrayLookupBP during WebGPU shader compilation
- CVE-2025-25176 GPU DDK - GPU Register value contents leaked from secure workloads to non-secure world
- CVE-2025-58411 GPU DDK - Reservation::psMappedPMR can change while used by a freelist -> UAF
Sources
Also known as A-477208444, ASB-A-477208444, GHSA-fm63-79wx-q4c2.