PC / Tech. > LWN.net
Monday April 22, 2019. 01:41 AM
The 5.1-rc6 kernel prepatch is out for testing. 'It's Easter Sunday here, but I don't let little things like random major religious holidays interrupt my kernel development workflow. The occasional scuba trip? Sure. But everybody sitting around eating traditional foods? No....
Saturday April 20, 2019. 04:50 PM
The 5.0.9, 4.19.36, 4.14.113, and 4.9.170 stable kernel updates have all been released. These moderately large updates contain yet another set of important fixes.
Friday April 19, 2019. 04:57 PM
Like all Unix-like systems, Linux implements the traditional protection bits controlling who can access files in a filesystem (and what access they have). Fewer users, perhaps, are aware of a set of additional permission bits hidden away behind the chattr and lsattr...
Security updates have been issued by Fedora (atomic-reactor and osbs-client), openSUSE (libqt5-qtbase, lxc, tar, wget, and xmltooling), Scientific Linux (java-1.8.0-openjdk and java-11-openjdk), SUSE (php5), and Ubuntu (znc).
Thursday April 18, 2019. 06:01 PM
As has been recently discussed here, developers for the filesystem and memory-management subsystems have been grappling for years with the problems posed by the get_user_pages() mechanism. This function maps memory into the kernel's address space for direct access by the...
Ubuntu 19.04, code named 'Disco Dingo', has been released, along with the following flavors: Ubuntu Budgie, Kubuntu, Lubuntu, Ubuntu Kylin, Ubuntu MATE, Ubuntu Studio, and Xubuntu. 'The Ubuntu kernel has been updated to the 5.0 based Linux kernel, our default toolchain has...
OpenSSH 8.0 has been released with a bunch of new features and some bug fixes, including one for a security problem: 'This release contains mitigation for a weakness in the scp(1) tool and protocol (CVE-2019-6111): when copying files from a remote system to a local...
Security updates have been issued by CentOS (polkit), Gentoo (dovecot, libseccomp, and patch), openSUSE (aubio, blktrace, flac, lxc, lxcfs, pspp, SDL, sqlite3, and xen), Red Hat (java-1.8.0-openjdk, java-11-openjdk, and rh-maven35-jackson-databind), Scientific Linux...
The LWN.net Weekly Edition for April 18, 2019 is available.
Wednesday April 17, 2019. 09:02 PM
<p> One of the more lively sessions that was held at the 2019 Legal and Licensing Workshop (LLW) was Heather Meeker's talk on open-source business models and alternative licensing. As a lawyer in private practice, Meeker worked on a number of the alternative licenses that...
Stable kernels 5.0.8, 4.19.35, 4.14.112, and 4.9.169 have been released. They all contain important fixes and users should upgrade.
Security updates have been issued by CentOS (mod_auth_mellon), Debian (ghostscript and ruby2.3), openSUSE (dovecot22, gnuplot, and openwsman), Scientific Linux (mod_auth_mellon), SUSE (krb5, openexr, python3, and wget), and Ubuntu (firefox and openjdk-lts).
Tuesday April 16, 2019. 10:07 PM
The inability to determine the contents of container images is a topic that annoys Dirk Hohndel. At last year's Legal and Licensing Workshop (LLW), he gave a presentation that highlighted the problem and some work he had been doing to combat it. At this year's LLW, he...
Security updates have been issued by Debian (cacti and libxslt), Fedora (pcsc-lite and samba), Gentoo (gnutls, phpmyadmin, and tiff), openSUSE (apache2, clamav, dovecot23, nodejs10, SDL, and webkit2gtk3), Red Hat (mod_auth_mellon and rh-python36-python), SUSE (firefox, nspr, ...
The 5.1-rc5 announcement mentioned 'changes all over' and highlighted a number of the areas that had been touched. One thing that was not mentioned there was the addition of four patches fixing a security-related issue in the core memory-management subsystem. The...
Monday April 15, 2019. 10:38 PM
Adrian Ratiu is posting a series of articles on the Collabora blog digging into the kernel's eBPF subsystem. The first two parts are available now: an introduction and a look at the virtual machine. 'eBPF is a RISC register machine with a total of 11 64-bit registers, a...
Stable kernels 5.0.7, 4.19.34, 4.14.111, and 4.9.168 were actually released last week, but the email wasn't sent. As usual they all contain important fixes and users should upgrade.
Security updates have been issued by Debian (graphicsmagick, jasper, and libssh2), Fedora (kernel, kernel-headers, kernel-tools, nodejs-simple-markdown, and php), openSUSE (netpbm and xen), and SUSE (audiofile, firefox, java-1_7_0-openjdk, libvirt, openssh, and systemd).
The 5.1-rc5 kernel prepatch is out for testing. 'Nothing in here makes me feel uncomfortable about this release cycle so far. Knock wood.'
Saturday April 13, 2019. 12:26 AM
Running out of memory puts a Linux system into a difficult situation; in the worst cases, there is often no way out other than killing one or more processes to reclaim their memory. This killing may be done by the kernel itself or, on systems like Android, by a user-space...
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