Mirror Mirror On The Wall

Ubuntu 18.04.2 LTS released

Fri Feb 15 16:47:00 2019
lwn.net

The Ubuntu team has announced the release of Ubuntu 18.04.2 LTS for its Desktop, Server, and Cloud products, as well as other flavors of Ubuntu with long-term support. Support periods vary for different flavors. "Like previous LTS series, 18.04.2 includes hardware enablement stacks for use on newer hardware. This support is offered on all architectures and is installed by default when using one of the desktop images." Ubuntu Server installs the GA kernel, however the HWE kernel may be selected from the installer bootloader.

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[$] Per-vector software-interrupt masking

Fri Feb 15 16:25:00 2019
lwn.net

Software interrupts (or "softirqs") are one of the oldest deferred-execution mechanisms in the kernel, and that age shows at times. Some developers have occasionally been heard to mutter about removing them, but softirqs are too deeply embedded into how the kernel works to be easily ripped out; most developers just leave them alone. So the recent per-vector softirq masking patch set from Frederic Weisbecker is noteworthy as an exception to that rule. Weisbecker is not getting rid of softirqs, but he is trying to reduce their impact and improve their latency.

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Security updates for Friday

Fri Feb 15 15:20:00 2019
lwn.net

Security updates have been issued by Debian (firefox-esr and unbound), Fedora (docker, libexif, and runc), openSUSE (mozilla-nss, python, rmt-server, and thunderbird), Slackware (mozilla), and SUSE (couchdb, dovecot23, kvm, nodejs6, php53, podofo, python-PyKMIP, rubygem-loofah, util-linux, and velum).

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[$] Some challenges for GNOME online accounts

Thu Feb 14 15:27:00 2019
lwn.net

The cynical among us might be tempted to think that an announcement from the GNOME project about the removal of a feature — a relatively unused feature at that — would be an unremarkable event. In practice, though, Debarshi Ray's announcement that the GNOME Online Accounts (GOA) subsystem would no longer support the "documents" access point touched off a lengthy discussion within the project itself. The resulting discussion revealed a few significant problems with GOA and, indeed, with the concept of online-account management in any sort of open-source umbrella project like GNOME.

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Security updates for Thursday

Thu Feb 14 14:42:00 2019
lwn.net

Security updates have been issued by Debian (python-gnupg), Mageia (avahi, dom4j, gvfs, kauth, libwmf, logback, mad, python, python-django, and radvd), openSUSE (curl, haproxy, lua53, python-slixmpp, runc, spice, and uriparser), Red Hat (flash-plugin), Slackware (mozilla), and SUSE (build and docker-runc).

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[$] io_uring, SCM_RIGHTS, and reference-count cycles

Wed Feb 13 16:23:00 2019
lwn.net

The io_uring mechanism that was described here in January has been through a number of revisions since then; those changes have generally been fixing implementation issues rather than changing the user-space API. In particular, this patch set seems to have received more than the usual amount of security-related review, which can only be a good thing. Security concerns became a bit of an obstacle for io_uring, though, when virtual filesystem (VFS) maintainer Al Viro threatened to veto the merging of the whole thing. It turns out that there were some reference-counting issues that required his unique experience to straighten out.

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Security updates for Wednesday

Wed Feb 13 15:50:00 2019
lwn.net

Security updates have been issued by Arch Linux (aubio, curl, lib32-curl, lib32-libcurl-compat, lib32-libcurl-gnutls, libcurl-gnutls, libu2f-host, python-django, python2-django, rdesktop, and runc), Debian (flatpak), Fedora (flatpak, pdns-recursor, rdesktop, tomcat, and xerces-c27), Mageia (cinnamon, docker, dovecot, golang, java-1.8.0-openjdk, jruby, libarchive, libgd, libtiff, libvncserver, opencontainers-runc, openssh, python-marshmallow, thunderbird, and transfig), openSUSE (python-slixmpp), Oracle (kernel), Red Hat (redhat-virtualization-host), Slackware (lxc), SUSE (curl, firefox, LibVNCServer, nginx, php7, python-numpy, runc, SMS3.2, and thunderbird), and Ubuntu (gvfs, python-django, snapd, and webkit2gtk).

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