In the Linux kernel, the following vulnerability has been resolved: tty: serial: ma35d1: Add a NULL check for of_node The pdev->dev.of_node can be NULL if the "serial" node is absent. Add a NULL check to return an error in such cases.
https://git.kernel.org/stable/c/acd09ac253b5de8fd79fc61a482ee19154914c7a
https://git.kernel.org/stable/c/23efa74cfe6eb923abb5b9bc51b2a04879013c67
https://git.kernel.org/stable/c/0e0e15ab2d3a094a38525d23c03d78ec7d14a40e