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Friday April 12, 2019. 05:05 PM
Security updates have been issued by CentOS (freerdp, kernel, openssh, and python), Fedora (checkstyle), openSUSE (bluez, file, kernel, and libarchive), SUSE (apache2, curl, ghostscript, libvirt, openssh, and systemd), and Ubuntu (rssh).
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Some things simply take time. When your editor restarted the search for a free accounting system, he had truly hoped to be done by now. But life gets busy, and accounting systems are remarkably prone to falling off the list of things one wants to deal with in any given day....
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Thursday April 11, 2019. 05:33 PM
Security updates have been issued by Arch Linux (apache, evolution, gnutls, and thunderbird), Debian (wpa), Gentoo (git), Mageia (dovecot, flash-player-plugin, gpac, gpsd, imagemagick, koji, libssh2, libvirt, mariadb, ming, mumble, ntp, python, python3, squirrelmail, and...
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The LWN.net Weekly Edition for April 11, 2019 is available.
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Wednesday April 10, 2019. 07:56 PM
Finding ways to put backdoors into various programming-language package repositories (e.g. npm, PyPI, and now RubyGems) seems like it is becoming a new Olympic sport or something. Every time you turn around, there is a report of a new backdoor. It is now apparently Ruby's...
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Security updates have been issued by Debian (samba and spip), openSUSE (samba), Red Hat (flash-plugin), Scientific Linux (kernel and openssh), SUSE (clamav and xen), and Ubuntu (apache2).
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Here's a research paper from Andrew Baumann, Jonathan Appavoo, Orran Krieger, and Timothy Roscoe, published on the Microsoft Research site, arguing that the fork() system call is a fundamental design mistake. 'As the designers and implementers of operating systems, we should ...
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Arguments can be passed to Python functions by position or by keyword—generally both. There are times when API designers may wish to restrict some function parameters to only be passed by position, which is harder than some think it should be in pure Python. That has led...
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Tuesday April 9, 2019. 07:50 PM
'Sysctl' is the kernel's mechanism for exposing tunable parameters to user space. Every sysctl knob is presented as a virtual file in a hierarchy under /proc/sys; current values can be queried by reading those files, and a suitably privileged user can change a value by...
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Security updates have been issued by Debian (poppler, proftpd-dfsg, suricata, and systemd), Fedora (kernel, kernel-headers, kernel-tools, and wget), Gentoo (clamav, emerge-delta-webrsync, and mailman), openSUSE (bash), Red Hat (kernel and openssh), Scientific Linux (python), ...
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Monday April 8, 2019. 05:06 PM
Memory fragmentation is a constant problem for memory-management subsystems. Over the years, considerable effort has been put into reducing fragmentation in the Linux kernel, but almost all of that work has been focused on memory management at the page level. The slab...
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Security updates have been issued by Debian (roundup, samba, tryton-server, and wget), Fedora (evolution-data-server, evolution-ews, glpi, ntp, poppler, pspp, and wget), Mageia (advancecomp, cfitsio, firefox, ghostscript, gnutls, libjpeg, libpng, ocaml, python-yaml, ruby-ox, ...
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BleepingComputer reports that browser developers are removing the ability to disable 'ping=' click tracking. 'Google Chrome also enables this tracking feature by default, but in the current Chrome 73 version it includes a 'Hyperlink auditing' flag that can be used to disable ...
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The fourth 5.1 kernel prepatch is out for testing. 'Smaller than rc3, I'm happy to say. Nothing particularly big in here, just a number of small things all over.'
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Friday April 5, 2019. 05:03 PM
Security updates have been issued by Debian (pdns), Fedora (firefox, freerdp, ghostscript, gnome-boxes, gnutls, libarchive, libssh2, pidgin-sipe, poppler, and remmina), openSUSE (gd, ImageMagick, ldb, libcaca, ntp, openssl-1_1, ovmf, thunderbird, w3m, and wavpack), SUSE...
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Thursday April 4, 2019. 11:59 PM
One of the new features in the 5.1 kernel is the pidfd_send_signal() system call. Combined with the (also new) ability to create a file descriptor referring to a process (a 'pidfd') by opening its directory in /proc, this system call allows for the sending of signals to...
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Christian Schaller describes a long list of desktop improvements coming in the Fedora 30 release. 'Screen sharing support for Chrome and Firefox under Wayland. The Wayland security model doesn’t allow any application to freely grab images or streams of the whole desktop...
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Security updates have been issued by Debian (apache2, golang, and putty), Gentoo (xen), and SUSE (clamav, SM3.1, and SMS3.1).
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The LWN.net Weekly Edition for April 4, 2019 is available.
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Wednesday April 3, 2019. 11:44 PM
<p> A pair of flaws in the web interface for two small-business Cisco routers make for a prime example of the wrong way to go about security fixes. These kinds of flaws are, sadly, fairly common, but the comedy of errors that resulted here is, thankfully, rather rare. Among...
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