kernel: nommu: fix memory leak in do_mmap() error path

In the Linux kernel, the following vulnerability has been resolved: nommu: fix memory leak in dommap error path The preallocation of the maple tree nodes may leak if the error path to "errorjustfree" is taken. Fix this by moving the freeing of the maple tree nodes to a shared location for all err...

CVE-2023-52902

CVE-2023-52902 concerns the Linux kernel memory-leak in maple tree preallocation during do_mmap() error paths. The preallocated maple tree nodes could leak on error_just_free, addressed by moving the free of maple tree nodes to a shared cleanup location for all error paths. Connected documents (N...