This bug was fixed in the package openssh - 1:7.2p2-4ubuntu2.1
---
openssh (1:7.2p2-4ubuntu2.1) xenial-security; urgency=medium
* SECURITY UPDATE: user enumeration via covert timing channel
- debian/patches/CVE-2016-6210-1.patch: determine appropriate salt for
invalid
Hi Brian,
I have tested the updated packages (1:7.2p2-4ubuntu2) and can confirm
that they resolve the issue for us. Tags updated.
** Tags removed: verification-needed
** Tags added: verification-done
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** Changed in: openssh (Ubuntu Xenial)
Importance: Undecided => Low
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https://bugs.launchpad.net/bugs/1584393
Title:
systemctl restart networking hangs reloading ssh.service
To
Hello Gustavo, or anyone else affected,
Accepted openssh into xenial-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/openssh/1:7.2p2-4ubuntu2 in a few
hours, and then in the -proposed repository.
Please help us by testing this new package. See
I uploaded a xenial fix to the SRU review queue.
** Changed in: openssh (Ubuntu Xenial)
Status: Confirmed => In Progress
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https://bugs.launchpad.net/bugs/1584393
Title:
This bug was fixed in the package openssh - 1:7.2p2-8
---
openssh (1:7.2p2-8) unstable; urgency=medium
[ Colin Watson ]
* Stop enabling ssh-session-cleanup.service by default; instead, ship it
as an example and add a section to README.Debian. libpam-systemd >= 230
and
** Changed in: openssh (Debian)
Status: New => Fix Released
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Title:
systemctl restart networking hangs reloading ssh.service
To manage
** Changed in: openssh (Debian)
Status: Unknown => New
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Title:
systemctl restart networking hangs reloading ssh.service
To manage
I forwarded the patch to Debian, as we currently keep the package in
sync and Colin wants to keep it that way. I'll SRU this to xenial once
it lands in yakkety.
** Bug watch added: Debian Bug tracker #832557
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=832557
** Also affects: openssh
This looks good as well - reverted to an original (unpatched) image and
verified the timeout was present.. Applied this patch and I haven't
been able to reproduce the timeout.
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> --job-mode=ignore-dependencies still keeps ReloadPropagatedTo=. If
not, we need something else.
It doesn't, and indeed that would make --job-mode=ignore-dependencies a
bit pointless. So we would apply this generally, we would break e. g.
some postinst script that does "invoke-rc.d openvpn
I discussed that patch with Michael Biebl -- we need to ensure that this
does not break things like openvpn.service → openvpn@.service, i. e.
that --job-mode=ignore-dependencies still keeps ReloadPropagatedTo=. If
not, we need something else.
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I discussed that patch with Michael Biebl -- we need to ensure that this
does not break things like openvpn.service → openvpn@.service, i. e.
that --job-mode=ignore-dependencies still keeps ReloadPropagatedTo=. If
not, we need something else.
** Changed in: openssh (Ubuntu)
Status:
My initial testing on this looks good - after applying the patch I
wasn't able to trigger the timeout that we were seeing before.
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Title:
** Tags added: patch
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Title:
systemctl restart networking hangs reloading ssh.service
To manage notifications about this bug go to:
I still cannot reproduce this. In a xenial cloud instance I ran
for i in `seq 50`; do systemctl reset-failed networking; systemctl restart
networking;
done
successfully, this is with a standard /etc/network/interfaces.d/50
-cloud-init.cfg with just "auto ens3" and "iface ens3 inet dhcp" and
This indeed looks like a deadlock. It could be broken by openssh's if-
up.d script if it reloads ssh asynchronously instead of blocking on it.
It would be even better to finally get rid of this silly hack and make
openssh use IP_FREEBIND properly :-)
I'm very reluctant to make invoke-rc.d reload
** Changed in: ifupdown (Ubuntu)
Status: New => Confirmed
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Title:
systemctl restart networking hangs reloading ssh.service
To manage
I've reproduced this on GCE also. Here's what ssh.service looks like
during the hang (and it looks like the reload hasn't affected it):
$ sudo systemctl status ssh.service
● ssh.service - OpenBSD Secure Shell server
Loaded: loaded (/lib/systemd/system/ssh.service; enabled; vendor preset:
When networking is hung, stopping ssh.service will also resolve the
hang, but reloading or restating ssh.service will hang as well. There
are no problems restarting or reloading ssh.service in other
circumstances.
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