linux-kernel - Re: ptrace versus setuid changes in 4.14?

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 22 Dec 2017 15:55:36 -0500
From:   Tom Horsley <horsley1953@...il.com>
To:     Laura Abbott <labbott@...hat.com>
Cc:     linux-kernel@...r.kernel.org, Kees Cook <keescook@...omium.org>,
        David Howells <dhowells@...hat.com>,
        Serge Hallyn <serge@...lyn.com>,
        James Morris <james.l.morris@...cle.com>
Subject: Re: ptrace versus setuid changes in 4.14?

On Fri, 22 Dec 2017 12:28:25 -0800
Laura Abbott wrote:

> Assuming this is https://bugzilla.redhat.com/show_bug.cgi?id=1528633
> This is yet another victim of
> 
> commit e37fdb785a5f95ecadf43b773c97f676500ac7b8 (refs/bisect/bad)
> Author: Kees Cook <keescook@...omium.org>
> Date:   Tue Jul 18 15:25:31 2017 -0700
> 
>      exec: Use secureexec for setting dumpability

You mean there is hope this really is a bug and not a security
enhancement? Amazing :-).

And yes, that is the bugzilla I submitted after I reduced
things to a small test program.