In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check writeback connectors in create_validate_stream_for_sink [WHY & HOW] This is to check connector type to avoid unhandled null pointer for writeback connectors.
https://git.kernel.org/stable/c/dbf5d3d02987faa0eec3710dd687cd912362d7b5
https://git.kernel.org/stable/c/0fe85301b95077ac4fa4a91909d38b7341e81187