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Advisories
openSUSE Advisory 2026-0259-1 gh Important Punycode Fix CVE-2026-39821
openSUSE released a security update for the gh package to address CVE-2026-39821, which involves rejecting certain Punycode labels in the idna package, rated important.
openSUSE Avahi Moderate DoS CVE-2025-59529 Advisory 2026-3217-1
SUSE has released a security update for avahi to address CVE-2025-59529, which allows local denial of service due to a client limit issue in the protocol server.
openSUSE avahi Moderate Denial of Service Fix 2026-3218-1
SUSE released a security update addressing CVE-2025-59529, which causes a local denial of service in avahi. Users are advised to update using recommended installation methods.
openSUSE ImageMagick Important Security Fix for Multiple Flaws 2026-3219-1
SUSE has released an important security update for ImageMagick, addressing 25 vulnerabilities and providing a fix for significant bugs affecting openSUSE Leap and SUSE Linux Enterprise Server.
openSUSE nmap Moderate Out-of-Bounds Crash Vulnern 2026-3220-1
SUSE released a security update for nmap addressing CVE-2026-58058, which resolves a vulnerability that can lead to out-of-bounds reads and crashes in openSUSE Leap 15.4.
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Featured Articles
How Linux Security Teams Spot Vulnerabilities Before CVEs Are Published
Most of us don't hear about a kernel vulnerability until a CVE lands in our inbox or the...
Threat Detection and Response: Why Linux Monitoring Requires Both Signatures and Behavior
Every Linux server in your fleet produces thousands of events every minute. From journald logs and...
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API Key Leakage in Public Repositories: What Linux Teams Miss
Security scanners flag exposed API keys in public repositories every day. The initial response is...
Linux Rootkits Explained: How They Hide and How Defenders Can Respond
Most of us think of Linux rootkits as ancient history—the stuff of 90s hacking forums and clunky...
Hardening Linux KVM Against VM Escape Attacks
A 16-year-old KVM vulnerability recently hit the news, and honestly? It’s a healthy dose of...
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Latest Linux Security News
CISA KEV vs. NVD: How Linux Teams Should Prioritize Vulnerabilities That Actually Matter
GNOME Cuts Vulnerability Disclosure Window to 30 Days
GNOME is officially shortening its standard vulnerability disclosure window from 90 days to 30 days, a change that impacts upstream maintainers, downstream Linux distributions, and system administrators in how they handle software vulnerabilities. Th...
Gitea 1.27 Delivers 45 Security Fixes for Self-Hosted Git Servers
For organizations that run a self-hosted Git platform, it’s no longer just about hosting static code repositories. Today, Git servers are responsible for deployment pipelines, API tokens, SSH keys, package repositories, and the automation scripts tha...
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HOWTOs
Linux Logging Strategies for Maximizing Security Visibility
A Linux server can be fully patched, hardened, and compliant, yet still leave investigators unable to explain how an attacker got in. Without reliable Linux logging, even a well-secured system can become impossible to investigate.
How to Investigate Unexpected Outbound Connections on Linux
Imagine logging into a production Linux server for routine maintenance and noticing background network activity connecting to an unfamiliar external IP address. Your endpoint protection agent is not popping up with an alert, there is no service failu...
How to Apply the Principle of Least Privilege in Modern Linux Environments
We all spend a lot of time defending our systems from external threats, but the amount of damage an attacker can cause often depends on what happens after they get in. A single compromised account doesn't always lead to a major incident. The real dan...
How to Correlate Linux Logs for Faster Threat Detection
For small security and IT teams, the "enterprise" dream of a fully automated SIEM often feels like a distant luxury. It’s a vision built on massive budgets and dedicated engineering teams—things that, frankly, most of us don't have. But here is the r...
How to Configure Centralized Logging with Journald and Rsyslog
Linux systems generate a steady stream of authentication, service, kernel, and application logs. On most systems, those logs never leave the machine that created them. If you're responsible for ten or twenty servers, that means checking each one sepa...
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