#TIL https://hardenedlinux.org/blog/2026-04-13-stealthy-rce-on-hardened-linux-noexec--userland-execution-poc/
The userland-exec project (and its rce_demo) is proof that once arbitrary code execution lands inside a process, most of the “hardened Linux” playbook turns into expensive theater. Noexec, MAC policies, filesystem controls – all bypassed in userspace with zero kernel involvement.
The userland-exec project (and its rce_demo) is proof that once arbitrary code execution lands inside a process, most of the “hardened Linux” playbook turns into expensive theater. Noexec, MAC policies, filesystem controls – all bypassed in userspace with zero kernel involvement.
