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Linux is an open-source operating system used across servers and devices, so kernel, distribution, and software vulnerabilities can affect deployed systems.

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Linux is an open-source operating-system kernel: privileged software that manages hardware, memory, processes, filesystems, and networking. Most deployments use it through a distribution that adds user-space tools, package managers, libraries, and an update policy. This distinction matters in security reporting: a kernel flaw, a distribution-package flaw, and a flaw in an application running on Linux may have different affected versions and fixes.

Material attack surfaces include kernel code, loadable modules and device drivers, network services, local privilege boundaries, and third-party packages. Vulnerabilities can enable denial of service, information disclosure, or escalation from an unprivileged account to root, depending on configuration and exploitability. Administrators should track upstream and distribution advisories, apply security updates, and reboot when a running kernel remains vulnerable. Mandatory access-control systems such as SELinux or AppArmor can restrict compromised processes; signed repositories, audit logs, and tested configuration baselines support package integrity and investigation. Open source does not itself guarantee security: exposure depends on code, configuration, maintenance, and the surrounding software stack.

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Showing 20 most recent headlines of 87 Filtered view

Linux vendor touts European independence at SUSECON as majority stakeholder quietly explores its options European-based SUSE devoted much of the annual SUSECON event to its sovereignty-focused pitch - even as reports swirl that its majority stakeholder is exploring a $6 billion sale which could land the Linux vendor in American hands.…

The Register 28 Apr 2026, 10:00 p.m. America Europe Linux Vendor

Google Sites lure leads to bogus root certificate Imagine getting asked to do something by a person in authority. An unknown malware slinger targeting open source software developers via Slack impersonated a real Linux Foundation official and used pages hosted on Google.com to steal developers' credentials and take over their systems.…

The Register 14 Apr 2026, 6:48 a.m. Certificates Credentials Google Impersonation Linux Malware Open Source Root Access Slack Theft

CUPS server shown spilling out remote code execution and root access In the latest chapter on leaky CUPS, a security researcher and his band of bug-hunting agents have found two flaws that can be chained to allow an unauthenticated attacker to remotely execute code and achieve root file overwrite on the network.…

The Register 7 Apr 2026, 11:03 a.m. Artificial Intelligence Flaw Linux Remote Code Execution Root Access Unauthenticated

Digital freedom needs a Kali Linux for the rest of us Opinion The hacker mind is a curious way to be. To have it means to embody endless analytical curiosity, an awareness of any given rule set as just one system among many, and an ability to see any system in ways that its creators never expected. Combine this with a drive to find the bad and make things better, and you become one of the fundamental forces of the technological universe.…

The Register 11 Mar 2026, 1:09 a.m. Linux