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The security stories that matter, explained by our team — with the concrete steps to take.

Latest headlines from security outlets

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LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

How to Find and Remove Malicious Cron Jobs on Linux

A compromised Linux server can continue running malware long after the initial intrusion. One of the most common persistence techniques is a malicious cron job…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 gsasl High Denial of Service Vulnern DLA-4618-1 CVE-2026-48829

Debian LTS announced a security advisory for gsasl, addressing a denial of service vulnerability due to insufficient input sanitization, recommending an upgrad…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Fedora 44 rubygem-yard High Path Traversal Fix Vuln 2026-acefc1fe48

Fedora 44 has updated the rubygem-yard package to version 0.9.40, addressing path traversal issues by backporting fixes from versions 0.9.41 and 0.9.44.

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 rubygem-yard Important Path Traversal Fix 2026-acefc1fe48

Fedora released an update for rubygem-yard to version 0.9.40-2, addressing path traversal vulnerabilities and allowing users to generate consistent documentati…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

HTTP/2 Bomb: Why Linux Infrastructure is Vulnerable to a New Low-Bandwidth DoS Attack

A newly disclosed attack technique called HTTP/2 Bomb is drawing attention because it targets the software that sits at the front of much of the Linux internet…

Linux Apache Nginx

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Why Linux Rootkits Still Matter in Cloud and VMware Environments

Linux rootkits are old, but they never really disappeared. They just stopped attracting the same attention.

Linux VMware

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 20.04 18.04 16.04 Little CMS High DoS Vulnerability USN-8209-2

A vulnerability in the Little CMS color management library can cause crashes or arbitrary code execution on certain Ubuntu versions; updates are available for …

Linux

The Hacker News
The Hacker News Breaches & leaks

Miasma Supply Chain Attack Compromises Red Hat npm Packages with Credential-Stealing Worm

A new Mini Shai-Hulud supply chain attack campaign, codenamed Miasma, has compromised @redhat-cloud-services packages to steal credentials and secrets from dev…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

Misuse of Cron Jobs for Long-Term Access in Linux Environments

Cron has existed in Unix and Linux environments for decades, handling backups, cleanup scripts, patching jobs, log rotation, monitoring tasks, and other mainte…

Linux

The Hacker News
The Hacker News

Packagist Supply Chain Attack Infects 8 Packages Using GitHub-Hosted Linux Malware

A new "coordinated" supply chain attack campaign has impacted eight packages on Packagist including malicious code designed to run a Linux binary retrieved fro…

Linux GitHub

The Hacker News
The Hacker News Vulnerabilities

Showboat Linux Malware Hits Middle East Telecom with SOCKS5 Proxy Backdoor

Cybersecurity researchers have disclosed details of a new Linux malware dubbed Showboat that has been put to use in a campaign targeting a telecommunications p…

Linux

The Hacker News
The Hacker News Vulnerabilities

DirtyDecrypt PoC Released for Linux Kernel CVE-2026-31635 LPE Vulnerability

Proof-of-concept (PoC) exploit code has now been released for a recently patched security flaw in the Linux kernel that could allow for local privilege escalat…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

Linux Kernel Fragnesia Critical Privilege Escalation CVE-2026-46300

Linux administrators are once again dealing with a familiar problem: a local Linux foothold that can potentially become full root access.

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

Linux Security Monitoring Challenges and EDR Visibility Gaps

An attacker compromises a Linux container, launches a cryptominer, sets up a way to stay in the system through a background task, and disappears before the inv…

Linux Docker

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

Why Red Hats krb5 Update Matters for Linux and Windows Authentication

Red Hat released an Important krb5 security update for Red Hat Enterprise Linux 8 this week, addressing two vulnerabilities tracked as CVE-2026-40355 and CVE-2…

Linux Windows

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Securing Remote Access to Linux Servers: Best Practices for 2026

Linux runs the internet. More than 96% of the world’s top one million web servers operate on Linux-based systems. That makes every linux server a target by def…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 DLA-4580-1 exim4 Critical Remote Code Execution Patch

A vulnerability has been discovered in the Exim mail transport agent, which may result in remote code execution. For Debian 11 bullseye, this problem has been …

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Why Runtime Monitoring Is Replacing Traditional Linux Logging

The problem is not necessarily a lack of security tools. Modern Linux infrastructure changes so quickly that maintaining consistent visibility has become one o…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Debian 14 Makes Reproducible Builds Mandatory for Linux Packages

Debian 14 ''Forky'' will begin blocking packages that fail reproducibility checks, marking a major shift in how Linux distributions verify software integrity.

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Alerts

Ubuntu 18.04 LTS Security Advisory USN-8267-1 Kernel Critical Issues

Several security issues were fixed in the Linux kernel.

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Ubuntu 20.04 LTS Linux Kernel USN-8255-2 Critical Local Escalation

Several security issues were fixed in the Linux kernel.

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS DLA-4576-1 p7zip Critical RCE DoS Issues Fixed

Multiple vulnerabilities were discovered in p7zip, a now unmaintained fork of 7-Zip, a file archiver handling multiple formats. To address these security vulne…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Ubuntu 24.04 LTS 22.04 LTS Linux-Nvidia Important Kernel Issues USN-8254-2

Several security issues were fixed in the Linux kernel.

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

Why Linux Servers Get Hacked More Often Than People Think

Linux runs a massive part of the internet. Cloud platforms, databases, containers, web hosting, APIs, and internal business infrastructure all depend heavily o…

Linux Docker