CVE-2024-56695 drm/amdkfd: Use dynamic allocation for CU occupancy array in 'kfd_get_cu_occupancy()'

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Use dynamic allocation for CU occupancy array in 'kfdgetcuoccupancy' The kfdgetcuoccupancy function previously declared a large cuoccupancy array as a local variable, which could lead to stack overflows due to excessi...

CVE-2024-56695

CVE-2024-56695 affects the Linux kernel’s AMDGPU/KFD subsystem. The vulnerability arose from a large local cu_occupancy array in kfd_get_cu_occupancy(), risking stack overflow when AMDGPU_MAX_QUEUES is large. The fix replaces the static stack allocation with dynamic memory via kcalloc and ensures...