Tags: Linux kernel

Mitigating dirtyc0w with systemd

Basic mitigation Known exploits for the CVE-2016–5195 vulnerability involve the madvise syscall, so it’s possible to mitigate by excluding the necessary call via a systemd service or container configuration. This is easy with for a systemd unit: [Service] SystemCallFilter=~madviseThe tilde after...
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“Most Serious” Linux Privilege-Escalation Bug Ever Is Under Active Exploit (updated)

A serious vulnerability that has been present for nine years in virtually all versions of the Linux operating system is under active exploit, according to researchers who are advising users to install a patch as soon as possible. While CVE-2016-5195, as the bug is cataloged, amounts to a mere...
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Richard Briggs
Richard Guy Briggs talked about the current state of Kernel Audit and Linux Namespaces at the recent Linux Security Summit.

Understanding and Securing Linux Namespaces

Richard Guy Briggs, a kernel security engineer and Senior Software Engineer at Red Hat, talked about the current state of Kernel Audit and Linux Namespaces at the Linux Security Summit. He also shared problems plaguing containers and what might be done to address them soon. His insights are borne...
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Linus Torvalds: “Linux Kernel 5.0 Will Be Released When We Hit 6 Million Git Objects”

Earlier this month, Linus Torvalds announced the release of Linux 4.8 kernel. It’ll be followed by Linux 4.9, which will be the next LTS kernel. Some of you might be wondering about the release date of Linux 5.0 kernel. While Linux creator Linus Torvalds hasn’t set an official date, he has given a...
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This Week in Open Source News: 4 out of 5 Banks to Use Blockchain by 2017, Linus Torvalds Reflects on Past 25 Years, & More

This week in Linux and open source news, the popularity of blockchain amongst banks will continue to surge through 2017, Linus Torvalds refelcts on the anniversary of Linux at LinuxCon Europe, and more! Read on and stay in the know! opensource-jobs.png A new report from The Linux...
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Linux kernel 4.8
Linux kernel 4.8 -- dubbed Psychotic Stoned Sheep by Linus Torvalds -- is one of the larger releases, with many patches sent in before the first release candidate was published.

New Linux Kernel 4.8 -- Plus a Kernel-Killing Bug

After nearly exactly two months, Linus Torvalds released kernel 4.8 into the wild on Sunday, October 2nd. Torvalds dubbed 4.8 Psychotic Stoned Sheep, probably inspired by the news that a flock of woolly ruminants ate some abandoned cannabis and, high as kites, run amok in rural Wales, striking...
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Linux Weather Forecast

Welcome to the Linux Weather Forecast This page is an attempt to track ongoing developments in the Linux development community that have a good chance of appearing in a mainline kernel and/or major distributions sometime in the near future. Your "chief meteorologist" is Jonathan Corbet, Executive...
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Legends of Linux Part 1: Linus Torvalds

BERLIN: AS PART of our visit to LinuxCon this week we’re going to ask five key players in the Linux story the same 10 questions to get an idea of where Linux has been, where it is and where it’s going. And who better to start with than Linus Torvalds, the often outspoken creator of Linux itself....
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Linux Kernel 4.8 Officially Released, Merge Window for Kernel 4.9 Now Open

Today, October 2, 2016, Linus Torvalds proudly announced the release and availability for download of the Linux 4.8 kernel branch, which is now the latest stable and most advanced one. Linux kernel 4.8 has been in development for the past two months, during which it received no less than eight...
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fuzz testing
Bamvor Jian Zhang of Huawei will share some ways to improve the trinity fuzzing tool for more efficient unit tests in his upcoming talk at LinuxCon Europe.

Improving Fuzzing Tools for More Efficient Kernel Testing

Fuzz testing (or fuzzing) is a software testing technique that involves passing invalid or random data to a program and observing the results, such as crashes or other failures. Bamvor Jian Zhang of Huawei, who will be speaking at LinuxCon Europe, realized that existing fuzz testing tools -- such...
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