Re: [PULL 0/6] virtiofs queue

[Dr. David Alan Gilbert]

* Peter Maydell (address@hidden) wrote:
> On Fri, 1 May 2020 at 20:16, Dr. David Alan Gilbert (git)
> <address@hidden> wrote:
> >
> > From: "Dr. David Alan Gilbert" <address@hidden>
> >
> > 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: address@hidden
> 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 / address@hidden / Manchester, UK