In the Linux kernel, the following vulnerability has been resolved: bpf: Guard __get_user acesss with access_ok for uprobe_multi data As reported by sashiko [1] we need to use access_ok to check the user space data bounds before we use __get-user to get it. [1] https://lore.kernel.org/bpf/[email protected]/
https://git.kernel.org/stable/c/c6d51ad36490013ee9df94a372d3bf794bd304d1
https://git.kernel.org/stable/c/4d87a251d45b4a95eb4c0abcfab809c9f231258a