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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.
업데이트: 2시간 44분 지남

Security updates for Thursday

목, 2021/02/18 - 11:46오후
Security updates have been issued by Debian (mumble, openssl, php7.3, and webkit2gtk), openSUSE (jasper, php7, and screen), SUSE (bind, php7, and php72), and Ubuntu (bind9, openssl, openssl1.0, and webkit2gtk).
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Google's effort to mitigate memory-safety issues

목, 2021/02/18 - 11:19오후
The Google Security Blog carries an announcement of a heightened effort to reimplement security-critical software in memory-safe languages. "The new Rust-based HTTP and TLS backends for curl and now this new TLS library for Apache httpd are an important starting point in this overall effort. These codebases sit at the gateway to the internet and their security is critical in the protection of data for millions of users worldwide."
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[$] LWN.net Weekly Edition for February 18, 2021

목, 2021/02/18 - 10:11오전
The LWN.net Weekly Edition for February 18, 2021 is available.
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[$] What goes into default Debian?

목, 2021/02/18 - 5:22오전
The venerable locate file-finding utility has long been available for Linux systems, though its origins are in the BSD world. It is a generally useful tool, but does have a cost beyond just the disk space it occupies in the filesystem; there is a periodic daemon (updatedb) that runs to keep the file-name database up to date. As a recent debian-devel discussion shows, though, people have differing ideas of just how important the tool is—and whether it should be part of the default installation of Debian.
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Another pair of stable kernels

목, 2021/02/18 - 12:18오전
The 5.10.17 and 5.4.99 stable kernel updates have been released; they both contain another set of important fixes.
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Security updates for Wednesday

수, 2021/02/17 - 11:53오후
Security updates have been issued by Debian (openssl and ruby-mechanize), Fedora (chromium, jasper, roundcubemail, spice-vdagent, and webkit2gtk3), openSUSE (python-bottle), Oracle (dotnet, kernel, and Unbreakable Enterprise kernel-container), Red Hat (redhat-ds:11, RHDM, and RHPAM), SUSE (jasper, kernel, and screen), and Ubuntu (thunderbird and wpa).
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Go 1.16 released

수, 2021/02/17 - 11:30오후
Version 1.16 of the Go language is available. New features include an "embed" package, Apple Arm64 support, use of modules by default, and build-performance improvements; see the release notes for details.
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[$] Malware in open-source web extensions

수, 2021/02/17 - 5:45오전
On February 4, millions of browser tabs were suddenly terminated. Not everyone was surprised; the dozen people who spent the last four months waiting for this tragedy to occur watched in relief as the first in a rapid stream of GitHub comments began pouring in. The Great Suspender, a Chrome extension that suspended inactive tabs, with around two-million users, had been forcibly uninstalled because it contained malware. This was a serious problem for users, in part due to the difficulty in recovering the lost tabs, but the extension's malevolence had been painfully obvious to anyone who cared to investigate it.
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5.12 Merge window delayed

수, 2021/02/17 - 5:41오전
Those of us who are watching the mainline kernel repository may have been wondering why it appears that no pull requests for the 5.12 merge window have yet been acted upon. The problem, it seems, is power outages caused by the severe winter weather in the US Pacific northwest. Until that gets resolved, which could take a few days, the 5.12 merge window is likely to remain on hold.
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Security updates for Tuesday

수, 2021/02/17 - 1:17오전
Security updates have been issued by Debian (spip), Mageia (chromium-browser, kernel, kernel-linus, and trojita), openSUSE (mumble and opera), Red Hat (container-tools:rhel8, java-1.8.0-ibm, kernel, kernel-rt, net-snmp, nodejs:10, nodejs:12, nodejs:14, nss, perl, python, and rh-nodejs10-nodejs), and SUSE (jasper, python-bottle, and python-urllib3).
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[$] Development statistics for the 5.11 kernel

화, 2021/02/16 - 4:48오전
The 5.11 kernel was released on February 14 — the most romantic sort of Valentine's day gift one could hope for. This kernel saw the merging of 14,340 changesets from 1,912 developers; it is certainly not the busiest development cycle we have seen recently, but it still saw a lot of activity. Read on for our traditional look at where the code merged for 5.11 came from.
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Security updates for Monday

화, 2021/02/16 - 12:37오전
Security updates have been issued by Debian (busybox, linux-4.19, openvswitch, subversion, unbound1.9, and xterm), Fedora (audacity, community-mysql, kernel, libzypp, mysql-connector-odbc, python-django, python3.10, and zypper), openSUSE (librepo, openvswitch, subversion, and wpa_supplicant), Red Hat (subversion:1.10), SUSE (kernel, openvswitch, perl-File-Path, and wpa_supplicant), and Ubuntu (postgresql-12).
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The 5.11 kernel is out

월, 2021/02/15 - 7:57오전
Linus has released the 5.11 kernel, as expected. "I know it's Valentine's Day here in the US - maybe give this release a good testing before you go back and play with development kernels. All right? Because I'm sure your SO will understand." Headline features in 5.11 include Intel SGX support, a new system-call interception mechanism, the seccomp() constant-action bitmap optimization, the internal kmap_local() API, the epoll_pwait2() system call, and much more. See the LWN merge-window articles (part 1, part 2) and the (under development) KernelNewbies 5.11 page for more information.
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Saturday stable kernels

일, 2021/02/14 - 1:25오전
The 5.10.16, 5.4.98, and 4.19.176 stable kernel updates have been released; each contains another set of important fixes.
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Gentoo mourns the loss of Kent Fredric

토, 2021/02/13 - 7:23오전
A brief post on the Gentoo site is in memory of Kent "kent\n" Frederic. "Kent was an active member of the Gentoo community for many years. He tirelessly managed Gentoo’s Perl support, and was active in the Rust project as well as in many other corners. We all remember him as an enthusiastic, bright person, with lots of eye for detail and constant willingness to help out and improve things. On behalf of the world-wide Gentoo community, our heartfelt condolences go out to his family and friends."
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[$] Introducing maple trees

토, 2021/02/13 - 2:52오전
Seen from outside, the internals of the Linux kernel appear to be stable, especially in subsystems like the memory-management subsystem. However, from time to time, developers need to replace an internal interface to solve a longstanding problem. One such issue is contention on the lock used to protect essential memory-management structures, including the page tables and virtual memory areas (VMAs). Liam Howlett and Matthew Wilcox have been developing a new data structure, called a "maple tree", to replace the data structures currently used for VMAs. This potentially big change in internal kernel structures has been recently posted for a review in a massive patch set.
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Security updates for Friday

토, 2021/02/13 - 12:05오전
Security updates have been issued by Arch Linux (ansible, chromium, cups, docker, firefox, gitlab, glibc, helm, lib32-glibc, minio, nextcloud, opendoas, opera, php, php7, privoxy, python-django, python-jinja, python2-jinja, thunderbird, vivaldi, and wireshark-cli), Fedora (jasper, linux-firmware, php, python-cryptography, spice-vdagent, subversion, and thunderbird), Mageia (gssproxy and phpldapadmin), openSUSE (chromium, containerd, docker, docker-runc,, librepo, nextcloud, and privoxy), SUSE (containerd, docker, docker-runc, golang-github-docker-libnetwork, kernel, openvswitch, and wpa_supplicant), and Ubuntu (wpa).
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[$] kcmp() breaks loose

금, 2021/02/12 - 1:19오전
Given the large set of system calls implemented by the Linux kernel, it would not be surprising for most people to be unfamiliar with a few of them. Not everybody needs to know the details of setresgid(), modify_ldt(), or lookup_dcookie(), after all. But even developers who have a wide understanding of the Linux system-call set may be surprised by kcmp(), which is not enabled by default in the kernel build. It would seem, though, that the word has gotten out, leading to an effort to make kcmp() more widely available.
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Security updates for Thursday

금, 2021/02/12 - 12:12오전
Security updates have been issued by Debian (firejail and netty), Fedora (java-1.8.0-openjdk, java-11-openjdk, rubygem-mechanize, and xpdf), Mageia (gstreamer1.0-plugins-bad, nethack, and perl-Email-MIME and perl-Email-MIME-ContentType), openSUSE (firejail, java-11-openjdk, python, and rclone), Red Hat (dotnet, dotnet3.1, dotnet5.0, and rh-nodejs12-nodejs), SUSE (firefox, kernel, python, python36, and subversion), and Ubuntu (gnome-autoar, junit4, openvswitch, postsrsd, and sqlite3).
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Rust 1.50.0 released

금, 2021/02/12 - 12:05오전
Version 1.50.0 of the Rust language has been released. "For this release, we have improved array indexing, expanded safe access to union fields, and added to the standard library."
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