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Bug#1111446: marked as done (openssh: IPQoS changes upstream and debian revert-ipqos-defaults.patch since 2019 (#923879 and 923880))

Your message dated Tue, 07 Oct 2025 21:22:59 +0000
with message-id <E1v6F99-008BtK-2l@fasolo.debian.org>
and subject line Bug#1111446: fixed in openssh 1:10.1p1-1
has caused the Debian Bug report #1111446,
regarding openssh: IPQoS changes upstream and debian revert-ipqos-defaults.patch since 2019 (#923879 and 923880)
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
1111446: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1111446
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Source: openssh
Version: all from 2019 to 2025
Severity: normal
X-Debbugs-Cc: bugreports@pouzenc.fr

Dear Maintainer,

I get there while doing tcpdump capture on ssh IPv6 traffic and seen
"invalid" values in DSCP field (in respect to IANA defined values) with
a default sshd config on Debian 13. It seems identical in unstable.

I see a patch qualified as "temporary" in #923879 from 2019 that is
still applied on Debian 13, named revert-ipqos-defaults.patch.

Mentionning that to friends, one of them points me to recent changes
commited in openssh around this topic, that, I think will make debian
revert patch unappliable or introduce a change in behavior, pushing
default system DSCP values (CS0 I beleive) instead of non DSCP compilant
curent values.

https://marc.info/?l=openbsd-cvs&m=175396095604983&w=2

This patch is still applied, saying that there was a bug in iptables -m
tos in 2019. I never found a clue that is was reported nor considered
upstream. Debian bug #923880 still open and seems to be in a dead state.

Could you reconsider revert-ipqos-defaults.patch for testing+unstable ?
As mentionned in one the two BR, Fedora since 2019 choosen to not revert
IPQoS default values and I am not aware that there is problems with that
nowadays.

Best regards,
Ludovic

-- System Information:
Debian Release: 12.11
  APT prefers oldstable-security
  APT policy: (500, 'oldstable-security'), (500, 'oldstable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.1.0-38-amd64 (SMP w/4 CPU threads; PREEMPT)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

--- End Message ---
--- Begin Message --- 
Source: openssh
Source-Version: 1:10.1p1-1
Done: Colin Watson <cjwatson@debian.org>

We believe that the bug you reported is fixed in the latest version of
openssh, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1111446@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Colin Watson <cjwatson@debian.org> (supplier of updated openssh package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Tue, 07 Oct 2025 22:07:19 +0100
Source: openssh
Architecture: source
Version: 1:10.1p1-1
Distribution: unstable
Urgency: medium
Maintainer: Debian OpenSSH Maintainers <debian-ssh@lists.debian.org>
Changed-By: Colin Watson <cjwatson@debian.org>
Closes: 1095922 1111446 1117529 1117530
Changes:
 openssh (1:10.1p1-1) unstable; urgency=medium
 .
   [ Allison Karlitskaya ]
   * sshd@.service: Support ephemeral keys from VM/container hosts.
 .
   [ Colin Watson ]
   * New upstream release:
     - ssh(1): add a warning when the connection negotiates a non-post
       quantum key agreement algorithm.
     - ssh(1), sshd(8): major changes to handling of DSCP marking/IPQoS: by
       default, interactive traffic is assigned to the EF (Expedited
       Forwarding) class, while non-interactive traffic uses the operating
       system default DSCP marking.
     - ssh(1), sshd(8): deprecate support for IPv4 type-of-service (ToS)
       keywords in the IPQoS configuration directive.
     - ssh-add(1): when adding certificates to an agent, set the expiry to
       the certificate expiry time plus a short (5 min) grace period.
     - All: remove experimental support for XMSS keys.
     - ssh-agent(1), sshd(8): move agent listener sockets from /tmp to under
       ~/.ssh/agent for both ssh-agent(1) and forwarded sockets in sshd(8).
     - CVE-2025-61984: ssh(1): disallow control characters in usernames
       passed via the commandline or expanded using %-sequences from the
       configuration file (closes: #1117529),
     - CVE-2025-61985: ssh(1): disallow \0 characters in ssh:// URIs (closes:
       #1117530).
     - ssh(1), sshd(8): add SIGINFO handlers to log active channel and
       session information.
     - sshd(8): when refusing a certificate for user authentication, log
       enough information to identify the certificate in addition to the
       reason why it was being denied. Makes debugging certificate
       authorisation problems a bit easier.
     - ssh(1), ssh-agent(1): support ed25519 keys hosted on PKCS#11 tokens.
     - ssh(1): add an ssh_config(5) RefuseConnection option that, when
       encountered while processing an active section in a configuration,
       terminates ssh(1) with an error message that contains the argument to
       the option.
     - sshd(8): make the X11 display number check relative to
       X11DisplayOffset. This will allow people to use X11DisplayOffset to
       configure much higher port ranges if they really want, while not
       changing the default behaviour.
     - ssh(1): fix delay on X client startup when ObscureKeystrokeTiming is
       enabled.
     - sshd(8): increase the maximum size of the supported configuration from
       256KB to 4MB, which ought to be enough for anybody. Fail early and
       visibly when this limit is breached.
     - sftp(1): during sftp uploads, avoid a condition where a failed write
       could be ignored if a subsequent write succeeded. This is unlikely but
       technically possible because sftp servers are allowed to reorder
       requests.
     - sshd(8): avoid a race condition when the sshd-auth process exits that
       could cause a spurious error message to be logged.
     - sshd(8): log at level INFO when PerSourcePenalties actually blocks
       access to a source address range. Previously this was logged at level
       VERBOSE, which hid enforcement actions under default config settings.
     - sshd(8): Make the MaxStartups and PerSourceNetBlockSize options
       first-match-wins as advertised.
     - ssh(1): fix an incorrect return value check in the local forward
       cancellation path that would cause failed cancellations not to be
       logged.
     - sshd(8): make "Match !final" not trigger a second parsing pass of
       ssh_config (unless hostname canonicalisation or a separate "Match
       final" does).
     - ssh(1): better debug diagnostics when loading keys. Will now list key
       fingerprint and algorithm (not just algorithm number) as well as
       making it explicit which keys didn't load.
     - All: fix a number of memory leaks found by LeakSanitizer, Coverity and
       manual inspection.
     - sshd(8): Output the current name for PermitRootLogin's
       "prohibit-password" in sshd -T instead of its deprecated alias
       "without-password" (closes: #1095922).
     - ssh(1): make writing known_hosts lines more atomic by writing the
       entire line in one operation and using unbuffered stdio.
     - sshd(8): check the username didn't change during the PAM transactions.
     - sshd(8): don't log audit messages with UNKNOWN hostname to avoid slow
       DNS lookups in the audit subsystem.
     - All: when making a copy of struct passwd, ensure struct fields are
       non-NULL.
     - sshd(8): handle futex_time64 properly in seccomp sandbox.
     - Add contrib/gnome-ssh-askpass4 for GNOME 40+ using the GCR API.
     - ssh-agent(1): exit 0 from SIGTERM under systemd socket-activation,
       preventing a graceful shutdown of an agent via systemd from
       incorrectly marking the service as "failed".
   * Drop patches:
     - no-openssl-version-status.patch: Mostly applied upstream; the rest
       only applied to OpenSSL < 3, which isn't relevant to current Debian
       releases.
     - revert-ipqos-defaults.patch: This new upstream release reworks IPQoS,
       so let's see how that works in Debian (closes: #1111446).
   * debian/run-tests: Fix path to dropbear.
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Checksums-Sha256:
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Files:
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