九维我操你爹
#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.
#TIL
https://00f.net/2026/04/11/config-flags/
https://00f.net/2026/04/11/config-flags/
But flags should have the same status as debt: sometimes necessary, never free, and always suspicious.
Why does it exist? Who needs it? What breaks if it goes away? When will that be acceptable? If nobody can answer these questions, the flag is probably not a feature.
