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-2026-45197

Kernel software running inside a Guest VM can exploit a Time-of-Check Time-of-Use (TOCTOU) race condition in the GPU Firmware to perform unauthorized memory operations. The vulnerability occurs because the firmware uses data provided by the Guest VM to set up memory accesses; while the firmware p...

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 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

The GPU DDK is vulnerable to a double free and subsequent kernel heap corruption (CVE-2026-45200). The issue resides in the _FreeOSPages function, which can be triggered when _EncodeAllocationFlags sets an incorrect allocation flag. A non-privileged user can exploit this by conducting improper GP...

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

A vulnerability exists in the GPU DDK within the _FreeOSPages_Fast function, where memory free paths fail to maintain state data for upgraded higher-order allocations. This flaw allows a non-privileged user to conduct GPU system calls resulting in GPU memory leaks and potential kernel heap corrup...

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 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

A vulnerability exists in the GPU DDK due to incorrect page size validation in PhysmemNewRamBackedPMR . A non-privileged user can perform improper GPU system calls to pass an invalid log2 page size during physical page allocation. Because the input is not properly validated, a crafted value could...

CVE-2026-45199

CVE-2026-45199 involves a vulnerability where kernel software running inside a Guest VM can send improper commands to the GPU Firmware . The root cause is that the rgxfw_to_ptr() function fails to reject firmware private data pointers, leading to out-of-bounds memory accesses . This allows an att...

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 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...

PT-2026-68844

Name of the Vulnerable Software and Affected Versions GPU DDK affected versions not specified Description Software run by a non-privileged user can perform improper GPU system calls to trigger out-of-bounds OOB read access to kernel memory. This occurs due to incorrect validation of an array inde...

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

A vulnerability exists in the GPU DDK where software running as a non-privileged user can perform improper GPU system calls. The root cause is the improper handling of memory protections for the user-mode wrapped memory resource, which allows an attacker to gain write permission to read-only wrap...

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 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...