CVE-2026-49744 GPU DDK - Unchecked ui32TracePointer in rgxfw_log_ex()
Malicious kernel code in a guest VM can trigger out-of-bounds writes in the GPU firmware, enabling privilege escalation and virtualization escape.
- 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-2026-49744?
CVE-2026-49744 is a high-severity memory corruption vulnerability in Imagination Technologies Graphics DDK, published on 24 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a write of data outside the Guest's virtualised GPU memory.
Out of bounds accesses triggered by malware introduced to a Guest KMD could allow privilege escalation which escapes virtualization boundaries.
Weakness: CWE-823
Which versions are affected by CVE-2026-49744?
It affects 1 product.
Products include Imaginationtech Ddk.
How do I fix CVE-2026-49744?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-49744 being exploited?
There is no known exploitation of CVE-2026-49744 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-518751604, ASB-A-518751604, GHSA-g2xv-m2cg-wmgw.