When you run an executable file in Linux, it usually runs with the current user and group ID. However, there are times when you need to run that file as another user (like root). Instead of switching ...

On Linux, setuid and setgid both take locks, so neither is safe to call in the child after vfork (). Instead, use syscall to issue a raw system call to the kernel.

contains user mode linux (UML) utilities. The uml_net utility in kernel-utils packages with Red Hat Linux 8.0 was incorrectly shipped setuid root. This could allow local users to control certain ...

I am quite interested in making basic Linux userspace work without setuid binaries, so that we can set NoNewPrivs in PID 1 early on and remove an entire class of security issues. This works relatively ...