Linux Weekly News

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Security advisories for Wednesday

sze, 2014-08-20 17:41

CentOS has updated qemu-kvm (C6: code execution).

Debian has updated cacti (multiple vulnerabilities).

openSUSE has updated gpgme (13.1, 12.3: code execution) and wireshark (13.1: multiple vulnerabilities).

Oracle has updated qemu-kvm (OL6: multiple vulnerabilities).

Red Hat has updated kernel-rt (RHE MRG 2.5: multiple vulnerabilities), openstack-neutron (RHEL OSP 4.0: denial of service), and thermostat1-httpcomponents-client (RHSC1: SSL server spoofing).

Ubuntu has updated openjdk-7 (14.04 LTS: multiple vulnerabilities).

Kategóriák: Linux

[$] The 2014 Kernel Summit

sze, 2014-08-20 16:37
The 2014 Kernel Summit was held on August 18-20 in Chicago, IL, USA. Reports from the first day's session are now available to LWN subscribers. Topics covered range from I/O memory management units to the stable and linux-next trees, to performance regressions and code review. Click below (subscribers only) for access to the full set of articles.
Kategóriák: Linux

Linux Kernel Git Repositories Add 2-Factor Authentication (

k, 2014-08-19 19:47 takes a look at using 2-factor authentication for commit access to kernel git repositories. "Having the technology available is one thing, but how to incorporate it into the kernel development process -- in a way that doesn't make developers' lives painful and unbearable? When we asked them, it became abundantly clear that nobody wanted to type in 6-digit codes every time they needed to do a git remote operation. Where do you draw the line between security and usability in this case? We looked at the options available in gitolite, the git repository management solution used at, and found a way that allowed us to trigger additional checks only when someone performed a write operation, such as "git push." Since we already knew the username and the remote IP address of the developer attempting to perform a write operation, we put together a verification tool that allowed developers to temporarily whitelist their IP addresses using their 2-factor authentication token."
Kategóriák: Linux

Security advisories for Tuesday

k, 2014-08-19 17:16

CentOS has updated nss-util (C7: incorrect wildcard certificate handling), nss-softokn (C7: incorrect wildcard certificate handling), and nss (C7: incorrect wildcard certificate handling).

Fedora has updated kernel (F19: multiple vulnerabilities) and samba (F19: remote code execution/privilege escalation).

Oracle has updated nss, nss-util, nss-softokn (OL7: incorrect wildcard certificate handling).

Red Hat has updated qemu-kvm (RHEL6: multiple vulnerabilities).

Scientific Linux has updated qemu-kvm (SL6: multiple vulnerabilities).

SUSE has updated flash-player (SLED11 SP3: multiple vulnerabilities).

Ubuntu has updated openssl (10.04 LTS: regression in previous update).

Kategóriák: Linux

Coghlan: Why Python 4.0 won't be like Python 3.0

k, 2014-08-19 16:47
Python core developer Nick Coghlan seeks to dispel worries that an eventual Python 4.0 release will be as disruptive as 3.0 was. "Why mention this point? Because this switch to 'Unicode by default' is the most disruptive of the backwards incompatible changes in Python 3 and unlike the others (which were more language specific), it is one small part of a much larger industry wide change in how text data is represented and manipulated. With the language specific issues cleared out by the Python 3 transition, a much higher barrier to entry for new language features compared to the early days of Python and no other industry wide migrations on the scale of switching from 'binary data with an encoding' to Unicode for text modelling currently in progress, I can't see any kind of change coming up that would require a Python 3 style backwards compatibility break and parallel support period."
Kategóriák: Linux

An md/raid6 data corruption bug

k, 2014-08-19 16:15
Neil Brown, the MD maintainer, has sent out an alert for a bug which, in fairly abnormal conditions, can lead to data loss on an MD-hosted RAID6 array. "There is no risk to an optimal array or a singly-degraded array. There is also no risk on a doubly-degraded array which is not recovering a device or is not receiving write requests." RAID6 users will likely want to apply the patch, though, which is likely to show up in the next stable kernel update from distributors.
Kategóriák: Linux

The Linux Foundation Technical Advisory Board election

h, 2014-08-18 22:47
The election for half of the members of the Linux Foundation's Technical Advisory board will be held 8:00PM, August 20, at the Kernel Summit/LinuxCon joint reception. As of this writing, there are fewer candidates than open positions. Anybody interested in serving on the TAB is encouraged to make their interest known prior to the election time and, if possible, attend the election.
Kategóriák: Linux

Monday's security updates

h, 2014-08-18 17:37

Debian has updated xen (multiple vulnerabilities).

Fedora has updated 389-ds-base (F20: information disclosure), iodine (F19; F20: authentication bypass), kernel (F20: multiple vulnerabilities), krfb (F19; F20: denial of service), pixman (F20: denial of service), and tboot (F19; F20: boot chain bypass).

Gentoo has updated libmodplug (multiple vulnerabilities).

Mageia has updated 389-ds-base (information disclosure), dhcpcd (denial of service), flash-player-plugin (multiple vulnerabilities), kernel-linus (M3; M4: multiple vulnerabilities), kernel-tmb (M3; M4: multiple vulnerabilities), and kernel-vserver (multiple vulnerabilities).

openSUSE has updated flash-player (11.4: multiple vulnerabilities).

Red Hat has updated nss, nss-util, nss-softokn (RHEL7: incorrect certificate handling).

SUSE has updated krb5 (code execution).

Ubuntu has updated kernel (14.04: multiple vulnerabilities) and linux-lts-trusty (12.04: multiple vulnerabilities).

Kategóriák: Linux

Kernel prepatch 3.17-rc1

szo, 2014-08-16 21:27
Linus has released 3.17-rc1 and closed the merge window for this release. He had suggested that the merge window could be extended, but that's not how things turned out. "I'm going to be on a plane much of tomorrow, and am not really supportive of last-minute pull requests during the merge window anyway, so I'm closing the merge window one day early, and 3.17-rc1 is out there now."
Kategóriák: Linux

Ten years of OpenStreetMap (O'Reilly Radar)

p, 2014-08-15 23:11

O'Reilly Radar has posted a retrospective look at the OpenStreetMap (OSM) project on the occasion of OSM's ten-year anniversary. Tyler Bell calls the project "the most significant development in the Open Geo Data movement" outside of GPS; noting that before OSM's creation, "map data sources were few, and largely controlled by a small collection of private and governmental players. The scarcity of map data ensured that it remained both expensive and highly restrictive, and no one but the largest navigation companies could use map data." Particularly interesting are the various comparisons between the state of the map in 2007 and today; the project's 1.5 million registered users do not seem to be slowing down, even if today's emphasis has shifted somewhat to less-visible features: "nodes are getting connected and turn restrictions added to facilitate navigation, while addresses are being sourced to help with geocoding and place finding."

Kategóriák: Linux

Friday's security updates

p, 2014-08-15 17:29

Fedora has updated gd (F20: denial of service), httpd (F19: multiple vulnerabilities), krb5 (F20: code execution), python-bottle (F19; F20: remote code execution), tor (F19; F20: traffic confirmation), transmission (F19: code execution), and v8 (F19: denial of service).

Ubuntu has updated serf (12.04, 14.04: information leak) and subversion (12.04, 14.04: multiple vulnerabilities).

Kategóriák: Linux

Riddell: Upstream and Downstream: why packaging takes time

cs, 2014-08-14 19:15
Kubuntu developer Jonathan Riddell looks at packaging all of the pieces of KDE on his blog. His perspective is, of course, Kubuntu-focused, but the comments contain lengthy responses from Fedora and openSUSE KDE packagers, which makes for a good look at the work distributions put into packaging a huge code base like KDE. "Much of what we package are libraries and if one small bit changes in the library, any applications which use that library will crash. This is ABI and the rules for binary [compatibility] in C++ are nuts. Not infrequently someone in KDE will alter a library ABI without realising. So we maintain symbol files to list all the symbols, these can often feel like more trouble than they're worth because they need updated when a new version of GCC produces different symbols or when symbols disappear and on investigation they turn out to be marked private and nobody will be using them anyway, but if you miss a change and apps start crashing as nearly happened in KDE PIM last week then people get grumpy." (Thanks to Robie Basak.)
Kategóriák: Linux

Five new stable kernels

cs, 2014-08-14 18:08
Greg Kroah-Hartman has announced the release of five new stable kernels: 3.16.1, 3.15.10, 3.14.17, 3.10.53, and 3.4.103. As usual, each has important fixes and users should upgrade. In addition, this is the last 3.15.x release, so users should be switching to the 3.16 series.
Kategóriák: Linux

Security advisories for Thursday

cs, 2014-08-14 17:52

CentOS has updated openssl (C7; C6; C5: multiple vulnerabilities).

Debian has updated gpgme1.0 (code execution).

Gentoo has updated adobe-flash (multiple vulnerabilities), catfish (multiple privilege escalations), and libpng (three vulnerabilities, two from 2013).

openSUSE has updated flash-player (13.1, 12.3: multiple vulnerabilities).

Oracle has updated openssl (OL7; OL6; OL5: multiple vulnerabilities).

Red Hat has updated openssl (RHEL6&7; RHEL5: multiple vulnerabilities).

Scientific Linux has updated openssl (SL6; SL5: multiple vulnerabilities).

Kategóriák: Linux

[$] Weekly Edition for August 14, 2014

cs, 2014-08-14 03:03
The Weekly Edition for August 14, 2014 is available.
Kategóriák: Linux

[$] Lessons from the Novena laptop project

sze, 2014-08-13 19:49

Flock is the annual conference for the Fedora distribution, but, like most free-software events, the program draws on a wide range of projects. At this year's event in Prague, keynote speaker Sean Cross spoke about his work on the Novena laptop project—including some speculation as to why it is succeeding in the demonstrably harsh space of open hardware products. Cross told the audience he hoped to get Fedora running on Novena (which runs Debian only at the moment) over the course of the conference, but he also hoped that the Novena story would be a helpful and informative tale for others undertaking a difficult, large-scale task—such as building a distribution.

Kategóriák: Linux

Wednesday's security updates

sze, 2014-08-13 16:44

Red Hat has updated flash-plugin (multiple vulnerabilities) and openstack-ceilometer (RHEL OpenStack Platform: privilege escalation).

Ubuntu has updated kernel (14.04: denial of service), linux-lts-trusty (12.04: denial of service), and openjdk-6 (10.04, 12.04: multiple vulnerabilities).

Kategóriák: Linux

The Linux Plumbers Conference is almost full

k, 2014-08-12 23:29
The 2014 Linux Plumbers Conference (October 15-17, Düsseldorf, Germany) has sent out an advisory that the registration limit is about to be reached. "We are very rapidly approaching our attendance limit, this year faster than in any past editions of the conference. We expect that the conference general registration will be sold out soon, possibly even within a few days. If you have a vested interest in participating in the discussions, please register now, to guarantee that you will obtain a ticket for the conference."

Also, the conference is seeking submissions for Microconference discussion and BOF topics.

Kategóriák: Linux

SFC and OSI team up to work on tax exemption issues for US organizations

k, 2014-08-12 20:06
The Software Freedom Conservancy (SFC) and Open Source Initiative (OSI) have announced (and here) that they are both founding members of a working group "focused on tax exemption issues for organizations in the United States". The working group will be open to participation by any concerned groups or individuals and will be looking for legal experts to join in. Aaron Williamson, formerly of the Software Freedom Law Center, will be chairing the group. "Recent activity by the Internal Revenue Service in response to applications for tax exempt status have sparked a lot of interest and discussion amongst free and open source software communities. OSI and Conservancy recognize that the IRS's understanding and evaluation of free and open source software can impact both new organizations created to promote the public good as charities (known as 501(c)(3) organizations after the corresponding tax code provision), as well as new organizations formed to forward a common business interest (known as 501(c)(6) organizations)." We looked at the issue in July after the Yorba Foundation's unsuccessful attempt to become a US tax-exempt organization.
Kategóriák: Linux

LPC: An In-Depth Look: Live Kernel Patching Microconference

k, 2014-08-12 19:37
The Linux Plumbers Conference (LPC) has a new blog post looking at the live kernel patching microconference. "There has been a great deal of interest in live kernel patching (see this article) over the past few months, with several different approaches proposed, including CRIU+kexec, kGraft, and kpatch, all in addition to ksplice. This microconference will host discussions on required infrastructure (including tracing, checkpoint/restart, kexec, and live patching), along with expositions and comparisons of the various approaches. The purpose, believe it or not, is to work towards a common implementation that everyone can live with." LPC will be held in Düsseldorf, Germany, October 15­­–17, co-located with LinuxCon Europe; the front-page blog for LPC has looks at many of the other microconferences along with other interesting information about the conference.
Kategóriák: Linux