On Mon, 27 Nov 2017, Kees Cook wrote: > > if (WARN_ON_ONCE(!capable(CAP_SYS_MODULE) || > > !capable(CAP_SYS_ADMIN) || > > !capable(CAP_NET_ADMIN) || > > !unprivileged_autoload(module_name)))
(Side note: the capable() calls would ideally come after the whitelist check). > We have some of this already with the module prefixes. Doing this > per-module would need to be exported to userspace, I think. It'd be > way too fragile sitting in the kernel. What about writing a whitelist to /proc (per-task) or /sys/fs (global) ? The per-task whitelist is inherited from the global one by default, or from a parent process if it's been modified in the parent. -- James Morris <james.l.mor...@oracle.com>
