All of lore.kernel.org
 help / color / mirror / Atom feed
From: Greg KH <greg@kroah.com>
To: Matthias Brugger <mbrugger@suse.com>
Cc: stable@vger.kernel.org, Will Deacon <will.deacon@arm.com>,
	Yann Droneaud <ydroneaud@opteya.com>
Subject: Re: arm64/mm: Remove hack in mmap randomize layout
Date: Fri, 11 Sep 2015 15:27:54 -0700	[thread overview]
Message-ID: <20150911222754.GA28800@kroah.com> (raw)
In-Reply-To: <5009675.v9gvjRB4Io@ubix>

On Mon, Jul 13, 2015 at 05:07:54PM +0200, Matthias Brugger wrote:
> Hi all,
> 
> Commit d6c763afab14 "arm64/mm: Remove hack in mmap randomize layout" fixes a 
> security issue which reduces the entropy for mmap base address by half [1]. 
> A attempt to guess where the stack is mapped via brute-force needs just half 
> the attempts.
> 
> I found this patch was added to v3.19-rc1 but should be added as well to:
> v3.18, v3.14, v3.12 and v3.10

Thanks, now queued up for some of those.

greg k-h

      parent reply	other threads:[~2015-09-11 22:27 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-13 15:07 arm64/mm: Remove hack in mmap randomize layout Matthias Brugger
2015-07-15  9:54 ` Yann Droneaud
2015-07-21 13:55 ` Jiri Slaby
2015-09-11 22:27 ` Greg KH [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20150911222754.GA28800@kroah.com \
    --to=greg@kroah.com \
    --cc=mbrugger@suse.com \
    --cc=stable@vger.kernel.org \
    --cc=will.deacon@arm.com \
    --cc=ydroneaud@opteya.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.