In the Linux kernel, the following vulnerability has been resolved: nommu: fix memory leak in do_mmap() error path The preallocation of the maple tree nodes may leak if the error path to "error_just_free" is taken. Fix this by moving the freeing of the maple tree nodes to a shared location for all error paths.
https://git.kernel.org/stable/c/7f31cced5724e6d414fe750aa1cd7e7b578ec22f
https://git.kernel.org/stable/c/1442d51026c58e7c11dd5f9b19650632a48676d4