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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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[$] Providing wider access to bpf()

Čet, 06/27/2019 - 15:56
The bpf() system call allows user space to load a BPF program into the kernel for execution, manipulate BPF maps, and carry out a number of other BPF-related functions. BPF programs are verified and sandboxed, but they are still running in a privileged context and, depending on the type of program loaded, are capable of creating various types of mayhem. As a result, most BPF operations, including the loading of almost all types of BPF program, are restricted to processes with the CAP_SYS_ADMIN capability — those running as root, as a general rule. BPF programs are useful in many contexts, though, so there has long been interest in making access to bpf() more widely available. One step in that direction has been posted by Song Liu; it works by adding a novel security-policy mechanism to the kernel.

Stable kernels 4.14.131, 4.9.184, and 4.4.184

Čet, 06/27/2019 - 15:40
Greg Kroah-Hartman has released the 4.14.131, 4.9.184, and 4.4.184 stable kernels. Each contains a single patch that fixes a problem in the TCP SACK panic fixes that was commonly seen by the Steam gaming community.

Security updates for Thursday

Čet, 06/27/2019 - 15:01
Security updates have been issued by Fedora (drupal7-uuid, php-brumann-polyfill-unserialize, and php-typo3-phar-stream-wrapper2), openSUSE (ansible, compat-openssl098, exempi, glib2, gstreamer-0_10-plugins-base, gstreamer-plugins-base, libmediainfo, libssh2_org, SDL2, sqlite3, and wireshark), Oracle (firefox), Red Hat (thunderbird and vim), Scientific Linux (firefox), SUSE (java-1_8_0-ibm), and Ubuntu (bzip2 and expat).

[$] LWN.net Weekly Edition for June 27, 2019

Čet, 06/27/2019 - 01:31
The LWN.net Weekly Edition for June 27, 2019 is available.

[$] An openSUSE foundation proposal

Sre, 06/26/2019 - 20:59
Over the past couple of months, things have been moving fairly swiftly toward the establishment of a separate entity to govern the openSUSE project. The idea is mainly meant to set up an organization that can receive and disburse funds on behalf of the project, rather than as some kind of move away from its parent company, SUSE. Also, while SUSE seems to be in a healthy position with a strong interest in supporting and working on openSUSE, that could change down the road, so a foundation or similar organization seems like the right way to go. At this point, the first draft of the foundation proposal has been posted; it generally has the support of SUSE management, so it is time to see what thoughts the community has.

Security updates for Wednesday

Sre, 06/26/2019 - 15:11
Security updates have been issued by Debian (python3.4), Oracle (firefox), Red Hat (firefox and kernel-alt), SUSE (ImageMagick and SUSE Manager Server 3.2), and Ubuntu (bzip2).
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