Re: COSEINC Linux Advisory #1: Linux Kernel Parent Process Death Signal Vulnerability

[Wojciech Purczynski <cliph@xxxxxxx>]

> Could you please explain it to me where do you see privilege escalation
> here?

Sending a signal to privileged process is a privilege itself. Under some
circumstances this may lead to other consequences. For example I was able
to code local root exploit using some very common suid binary, although
its usage is somewhat limited.