CVE-2026-45197

CVE-2026-45197 affects the Imagination Technologies GPU DDK , specifically a TOCTOU (Time-of-Check to Time-of-Use) bug in psFWMemContext->uiPageCatBaseRegSet. Kernel software running inside a Guest VM can post improper commands to the GPU Firmware, which validates memory access parameters prov...

CVE-2026-45197 GPU DDK - TOCTOU affecting psFWMemContext->uiPageCatBaseRegSet

Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a read and/or write data outside the Guest's virtualised GPU memory. The firmware uses data provided by the Guest VM to set up accesses to memory. It validated this before use, but a...

CVE-2026-45200 GPU DDK - Double free in _FreeOSPages due to incorrect allocation flag set by _EncodeAllocationFlags

Software installed and run as a non-privileged user may conduct improper GPU driver IOCTL calls to create an allocation scenario that when freed would cause double free and kernel heap corruption. Scenario caused by fabricating a specific combination of flags on the allocation interface that woul...

CVE-2026-45200

CVE-2026-45200 affects the GPU DDK (Driver Development Kit) from Imagination Technologies . A non-privileged user can issue improper GPU driver IOCTL calls that fabricate a specific combination of flags on the allocation interface, causing an incorrect double free in _FreeOSPages due to a flag mi...

CVE-2026-45202 GPU DDK - Silent High-Order CMA Memory Leak & Double Free in `_FreeOSPages_Fast`

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 even...

CVE-2026-45202

Imagination Technologies GPU DDK contains a vulnerability in the memory management function _FreeOSPages_Fast. The root cause is that memory free paths fail to maintain state data for upgraded higher-order CMA allocations , leading to a silent memory leak or a double free event. A non-privileged ...

CVE-2026-45201 GPU DDK - Incorrect page size validation in PhysmemNewRamBackedPMR could lead to OOB read and/or write of arbitrary physical memory

Software installed and run as a non-privileged user may conduct improper GPU system calls to pass invalid log2 page size when allocating physical pages leading to OOB read and/or write due to improper validation of the said value. Such crafted log2 page size could lead to 4K pages being treated a...

CVE-2026-45201

This vulnerability affects the Imagination Technologies GPU DDK , specifically the PhysmemNewRamBackedPMR function. A non-privileged user can issue improper GPU system calls with an invalid log2 page size during physical page allocation, bypassing validation and causing out-of-bounds read and/or ...

CVE-2026-45199 GPU DDK - rgxfw_to_ptr() does not reject FW private data pointers

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. Software installed and run under a Guest VM can send commands to the GPU which result in out of bounds memory accesses. The...

CVE-2026-45199

Imagination Technologies GPU DDK (Display Driver Kit) is affected by an out-of-bounds write vulnerability in the rgxfw_to_ptr() function, which fails to reject firmware-private data pointers. Kernel software running inside a Guest VM can post improper commands to the GPU Firmware , causing a writ...

CVE-2026-22163 GPU DDK - Unsafe writing of MMU PT entries on systems with 32-bit host CPU

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 t...

CVE-2026-21736

CVE-2026-21736 is a GPU DDK vulnerability where a non-privileged user can perform improper GPU system calls to gain write access to read-only wrapped user-mode memory. The enrichment notes an insufficient permission check in PhysmemWrapExtMem() when write attribute support is enabled; the root ca...

CVE-2025-58411 GPU DDK - Reservation::psMappedPMR can change while used by a freelist -> UAF

Software installed and run as a non-privileged user may conduct improper GPU system calls to cause mismanagement of resources reference counting creating a potential use after free scenario. Improper resource management and reference counting on an internal resource caused scenario where potentia...

CVE-2025-8109 GPU DDK - GPU shader shared memory corrupted using ptrace to disrupt GPU operation

Software installed and run as a non-privileged user may conduct ptrace system calls to issue writes to GPU origin read only memory...

CVE-2025-25180

CVE-2025-25180 affects Imagination Technologies’ PowerVR-GPU driver. The issue arises from insufficient validation in RGXCREATEFREELIST, allowing an unprivileged user to trigger improper GPU system calls that can subvert GPU hardware and write to arbitrary physical memory pages. Under certain con...

CVE-2025-25180 GPU DDK - Insufficient validation in RGXCREATEFREELIST creates corrupt freelist

Software installed and run as a non-privileged user may conduct improper GPU system calls to subvert GPU HW to write to arbitrary physical memory pages. Under certain circumstances this exploit could be used to corrupt data pages not allocated by the GPU driver but memory pages in use by the kern...

CVE-2025-46708

CVE-2025-46708 affects Imagination Technologies PowerVR-GPU driver. The issue arises when software inside a Guest VM makes improper GPU system calls, delaying or blocking the GPU for other guests and preventing them from processing workloads. The vulnerability is described as enabling guest VMs t...

CVE-2025-25179

CVE-2025-25179 is a local vulnerability in the Imagination Technologies PowerVR-GPU driver. A non-privileged user may issue improper GPU system calls that subvert GPU hardware and write to arbitrary physical memory pages. Reported base metrics indicate local access, low privileges required, and h...

CVE-2025-25179 GPU DDK - Freelist GPU VA can be remapped to another reservation/PMR to trigger GPU arbitrary write to physical memory

Software installed and run as a non-privileged user may conduct improper GPU system calls to subvert GPU HW to write to arbitrary physical memory pages...

CVE-2024-47893

CVE-2024-47893 is a vulnerability in kernel software in a guest VM that can read/write data outside the VM’s virtualised GPU memory by exploiting shared memory with the GPU firmware. Multiple connected sources (NVD, Red Hat, CVE listing, CNNVD) confirm the issue affects Imagination Technologies’ ...