The hi3660_stub_clk_probe function in drivers/clk/hisilicon/clk-hi3660-stub.c in the Linux kernel before 4.16 allows local users to cause a denial of service (NULL pointer dereference) by triggering a failure of resource retrieval. Upstream patch: https://github.com/torvalds/linux/commit/9903e41ae1f5d50c93f268ca3304d4d7c64b9311 Introduced by: https://github.com/torvalds/linux/commit/4f16f7ff3bc02f6e1845677235fea157bdc0e59c This issue does not affect any stable Linux kernel release.