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LWN.net is a comprehensive source of news and opinions from and about the Linux community. This is the main LWN.net feed, listing all articles which are posted to the site front page.
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Stable kernel updates

금, 2019/01/18 - 1:09오전
Stable kernels 4.20.3, 4.19.16, 4.14.94, 4.9.151, and 4.4.171 have been released. They all contain important fixes and users should upgrade.
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Security updates for Thursday

금, 2019/01/18 - 1:01오전
Security updates have been issued by CentOS (libvncserver), Debian (sssd), Fedora (kernel and kernel-headers), Red Hat (ansible, openvswitch, pyOpenSSL, python-django, and redis), and Ubuntu (policykit-1).
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[$] LWN.net Weekly Edition for January 17, 2019

목, 2019/01/17 - 11:32오전
The LWN.net Weekly Edition for January 17, 2019 is available.
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[$] Adiantum: encryption for the low end

목, 2019/01/17 - 5:59오전
Low-end devices bound for developing countries, such as those running the Android Go edition, lack encryption support because the hardware doesn't provide any cryptographic acceleration. That means users in developing countries have no protection for the data on their phones. Google would like to change that situation. The company worked on adding the Speck cipher to the kernel, but decided against using it because of opposition due to Speck's origins at the US National Security Agency (NSA). As a replacement, the Adiantum encryption mode was developed; it has been merged for Linux 5.0.
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Security updates for Wednesday

목, 2019/01/17 - 12:55오전
Security updates have been issued by Debian (systemd and wireshark), Fedora (openssh, php-horde-Horde-Form, and unrtf), Mageia (aria2, libvncserver, x11vnc, and nss), Oracle (kernel and libvncserver), Scientific Linux (libvncserver), SUSE (kernel, soundtouch, webkit2gtk3, and wget), and Ubuntu (libcaca and policykit-1).
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[$] Ringing in a new asynchronous I/O API

수, 2019/01/16 - 8:09오전
While the kernel has had support for asynchronous I/O (AIO) since the 2.5 development cycle, it has also had people complaining about AIO for about that long. The current interface is seen as difficult to use and inefficient; additionally, some types of I/O are better supported than others. That situation may be about to change with the introduction of a proposed new interface from Jens Axboe called "io_uring". As might be expected from the name, io_uring introduces just what the kernel needed more than anything else: yet another ring buffer.
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Google Summer of Code mentor projects sought

수, 2019/01/16 - 8:07오전
It is that time of year again: Google is looking for mentor projects for the 2019 Summer of Code. "GSoC is a global program that draws university student developers from around the world to contribute to open source. Each student spends three months working on a coding project, with the support of volunteer mentors, for participating open source organizations from late May to August. Last year 1,264 students worked with 206 open source organizations." The application deadline is February 6.
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[$] Fedora, UUIDs, and user tracking

수, 2019/01/16 - 2:23오전

"User tracking" is generally contentious in free-software communities—even if the "tracking" is not really intended to do so. It is often distributions that have the most interest in counting their users, but Linux users tend to be more privacy conscious than users of more mainstream desktop operating systems. The Fedora project recently discussed how to count its users and ways to preserve their privacy while doing so.

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Security updates for Tuesday

수, 2019/01/16 - 1:17오전
Security updates have been issued by Arch Linux (irssi and systemd), CentOS (systemd), Debian (xen and zeromq3), Fedora (gnutls, kernel, kernel-headers, kernel-tools, and nbdkit), Oracle (libvncserver and systemd), Red Hat (libvncserver), and Ubuntu (haproxy, libarchive, and php-pear).
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An ancient OpenSSH vulnerability

수, 2019/01/16 - 12:35오전
An advisory from Harry Sintonen describes several vulnerabilities in the scp clients shipped with OpenSSH, PuTTY, and others. "Many scp clients fail to verify if the objects returned by the scp server match those it asked for. This issue dates back to 1983 and rcp, on which scp is based. A separate flaw in the client allows the target directory attributes to be changed arbitrarily. Finally, two vulnerabilities in clients may allow server to spoof the client output." The outcome is that a hostile (or compromised) server can overwrite arbitrary files on the client side. There do not yet appear to be patches available to address these problems.
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Security updates for Monday

화, 2019/01/15 - 1:43오전
Security updates have been issued by Arch Linux (python-django and python2-django), Debian (sqlite3, systemd, and vlc), Fedora (mingw-nettle and polkit), Mageia (graphicsmagick, python-django, spice-vdagent, and to), openSUSE (aria2, discount, gpg2, GraphicsMagick, gthumb, haproxy, irssi, java-1_7_0-openjdk, java-1_8_0-openjdk, libgit2, LibVNCServer, and sssd), Red Hat (systemd), Scientific Linux (systemd), Slackware (irssi and zsh), SUSE (LibVNCServer and sssd), and Ubuntu (gnome-bluetooth and systemd).
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Kernel prepatch 5.0-rc2

월, 2019/01/14 - 9:00오전
The second 5.0 prepatch is out for testing. "So the merge window had somewhat unusual timing with the holidays, and I was afraid that would affect stragglers in rc2, but honestly, that doesn't seem to have happened much. rc2 looks pretty normal."
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Another set of stable kernel updates

월, 2019/01/14 - 1:06오전
The stable-kernel machine has churned out another set of releases: 4.20.2, 4.19.15, 4.14.93, 4.9.150, 4.4.170, and 3.18.132 have all been released with a large set of important fixes.
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[$] Approaching the kernel year-2038 end game

토, 2019/01/12 - 3:05오전
In January 2038, the 32-bit time_t value used on many Unix-like systems will run out of bits and be unable to represent the current time. This may seem like a distant problem, but, as Tom Scott recently observed, the year-2038 apocalypse is now closer to the present than the year-2000 problem. The fact that systems being deployed now will still be operating in 2038 adds urgency to the issue as well. The good news is that work has been underway for years to prepare Linux for this date, so there should be no need to call developers out of retirement in 2037 in a last-minute panic. Some of the final steps in this transition for the core kernel have been posted, and seem likely to be merged for 5.1.
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Metasploit 5.0 released

토, 2019/01/12 - 1:29오전
Version 5.0 of the Metasploit penetration-testing framework is out. "Metasploit 5.0 offers a new data service, introduces fresh evasion capabilities, supports multiple languages, and builds upon the Framework’s ever-growing repository of world-class offensive security content. We’re able to continue innovating and expanding in no small part thanks to the many open source users and developers who make it a priority to share their knowledge with the community. You have our gratitude."
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Security updates for Friday

금, 2019/01/11 - 11:24오후
Security updates have been issued by Arch Linux (systemd and wireshark-cli), Debian (libsndfile and tmpreaper), Fedora (beep, electrum, gnutls, haproxy, krb5, mupdf, php-horde-Horde-Image, python-django, and wget), Mageia (libarchive and terminology), openSUSE (libraw, polkit, and singularity), SUSE (haproxy, java-1_8_0-openjdk, LibVNCServer, and webkit2gtk3), and Ubuntu (exiv2, gnupg2, and webkit2gtk).
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[$] A slow start to OpenSUSE's board election

금, 2019/01/11 - 2:29오전
What if you announced a board election and nobody ran? That is the quandary the openSUSE project faced as recently as January 4, when the nomination deadline loomed and no candidates for the three open seats had come forward. The situation has since changed, and openSUSE members will have a wide slate of candidates to choose from. But the seeming reticence to come forward may well be a reflection of some unresolved tensions that exploded into a flame war several months ago.
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A set of systemd-journald exploits

금, 2019/01/11 - 12:42오전
Qualys has sent out a security advisory describing three stack-overrun vulnerabilities in systemd-journald. "We developed an exploit for CVE-2018-16865 and CVE-2018-16866 that obtains a local root shell in 10 minutes on i386 and 70 minutes on amd64, on average. We will publish our exploit in the near future. To the best of our knowledge, all systemd-based Linux distributions are vulnerable, but SUSE Linux Enterprise 15, openSUSE Leap 15.0, and Fedora 28 and 29 are not exploitable because their user space is compiled with GCC's -fstack-clash-protection."
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Security updates for Thursday

목, 2019/01/10 - 11:43오후
Security updates have been issued by Debian (libcaca), Fedora (beep and libgxps), Mageia (krb5, live, ffmpeg, mplayer, and vlc, and mbedtls), SUSE (helm-mirror, java-1_7_0-openjdk, and systemd), and Ubuntu (nss and python-django).
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[$] LWN.net Weekly Edition for January 10, 2019

목, 2019/01/10 - 9:31오전
The LWN.net Weekly Edition for January 10, 2019 is available.
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