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Date: Thu, 16 Apr 2015 11:41:12 -0700
From: Kees Cook <>
To: Florian Weimer <>
Subject: Re: kernel: fs.suid_dumpable=2 privilege escalation

On Thu, Apr 16, 2015 at 5:42 AM, Florian Weimer <> wrote:
> Should this be treated as a security vulnerability?
> “fs: make dumpable=2 require fully qualified path”
> <>
> Some widely-used cronie versions still do not have hardening and parse
> commands in core dumps.

I didn't seek a CVE for this at the time since it requires a pretty
specific combination of configurations. Namely: setting dumpable=2
without a dump handler, which I couldn't find any distro doing. I have
no objection, of course.


Kees Cook
Chrome OS Security

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