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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: mszeredi@redhat.com, yavrahami@paloaltonetworks.com,
	QEMU Developers <qemu-devel@nongnu.org>,
	Stefan Hajnoczi <stefanha@redhat.com>,
	Max Reitz <mreitz@redhat.com>
Subject: Re: [PULL 0/6] virtiofs queue
Date: Mon, 4 May 2020 09:13:54 +0100	[thread overview]
Message-ID: <20200504081354.GB3112@work-vm> (raw)
In-Reply-To: <CAFEAcA8W3kreu2s_4wjvP4mNgPpVHpv8A4T-D+etUORg18Rtew@mail.gmail.com>

* Peter Maydell (peter.maydell@linaro.org) wrote:
> On Fri, 1 May 2020 at 20:16, Dr. David Alan Gilbert (git)
> <dgilbert@redhat.com> wrote:
> >
> > From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
> >
> > The following changes since commit 1c47613588ccff44422d4bdeea0dc36a0a308ec7:
> >
> >   Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging (2020-04-30 19:25:41 +0100)
> >
> > are available in the Git repository at:
> >
> >   https://gitlab.com/dagrh/qemu.git tags/pull-virtiofs-20200501
> >
> > for you to fetch changes up to 66502bbca37ca7a3bfa57e82cfc03b89a7a11eae:
> >
> >   virtiofsd: drop all capabilities in the wait parent process (2020-05-01 20:05:37 +0100)
> >
> > ----------------------------------------------------------------
> > virtiofsd: Pull 2020-05-01 (includes CVE fix)
> >
> > This set includes a security fix, other fixes and improvements.
> >
> > Security fix:
> > The security fix is for CVE-2020-10717 where, on low RAM hosts,
> > the guest can potentially exceed the maximum fd limit.
> > This fix adds some more configuration so that the user
> > can explicitly set the limit.
> > Thank you to Yuval Avrahami for reporting this.
> >
> > Fixes:
> >
> > Recursive mounting of the exported directory is now used in
> > the sandbox, such that if there was a mount underneath present at
> > the time the virtiofsd was started, that mount is also
> > visible to the guest; in the existing code, only mounts that
> > happened after startup were visible.
> >
> > Security improvements:
> >
> > The jailing for /proc/self/fd is improved - but it's something
> > that shouldn't be accessible anyway.
> >
> > Most capabilities are now dropped at startup; again this shouldn't
> > change any behaviour but is extra protection.
> >
> > ----------------------------------------------------------------
> 
> 
> Applied, thanks.
> 
> Please update the changelog at https://wiki.qemu.org/ChangeLog/5.1
> for any user-visible changes.
> 
> I notice you didn't include the usual Cc: qemu-stable@nongnu.org
> lines in the commits to be backported, but I think the stable
> branch maintainers can deal with the occasional manual notification.

Thanks, yes I sent a mail to qemu-stable as a reply to the series
saying which patches I thought should be for stable.

Dave

> thanks
> -- PMM
> 
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK



  reply	other threads:[~2020-05-04  8:14 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-01 19:14 [PULL 0/6] virtiofs queue Dr. David Alan Gilbert (git)
2020-05-01 19:14 ` [PULL 1/6] virtiofsd: add --rlimit-nofile=NUM option Dr. David Alan Gilbert (git)
2020-05-01 19:14 ` [PULL 2/6] virtiofsd: stay below fs.file-max sysctl value (CVE-2020-10717) Dr. David Alan Gilbert (git)
2020-05-01 19:14 ` [PULL 3/6] virtiofsd: jail lo->proc_self_fd Dr. David Alan Gilbert (git)
2020-05-01 19:14 ` [PULL 4/6] virtiofsd: Show submounts Dr. David Alan Gilbert (git)
2020-05-01 19:14 ` [PULL 5/6] virtiofsd: only retain file system capabilities Dr. David Alan Gilbert (git)
2020-05-01 19:15 ` [PULL 6/6] virtiofsd: drop all capabilities in the wait parent process Dr. David Alan Gilbert (git)
2020-05-01 19:28 ` [PULL 0/6] virtiofs queue Dr. David Alan Gilbert
2020-05-03 13:11 ` Peter Maydell
2020-05-04  8:13   ` Dr. David Alan Gilbert [this message]
  -- strict thread matches above, loose matches on Subject: below --
2021-02-16 18:37 Dr. David Alan Gilbert (git)
2021-02-17 19:18 ` Peter Maydell
2020-02-21 13:25 Dr. David Alan Gilbert (git)
2020-02-21 18:37 ` Peter Maydell

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