In the Linux kernel, the following vulnerability has been resolved:
drm/amd/amdgpu: fix refcount leak
[Why] the gem object rfb->base.obj[0] is get according to num_planes in amdgpufb_create, but is not put according to num_planes
[How] put rfb->base.obj[0] in amdgpu_fbdev_destroy according to num_planes