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Advisories
Debian LTS linux-6.1 DLA-4700-1 CVE-2025-23131 to CVE-2026-64529
Debian has released an update for the linux-6.1 package to address multiple security vulnerabilities, including privilege escalation and denial of service, recommending users upgrade to version 6.1.177-1~deb11u1.
Rocky Linux 8 java-17-openjdk Important TLS Enhancement RLSA-2026-42887
A security update for java-17-openjdk on Rocky Linux 8 addresses multiple vulnerabilities, enhancing TLS certificate handling, DTLS handshaking, and processing of images and Jar files.
Debian LTS hplip Significant Privilege Escalation Code Execution DLA-4699-1
Debian LTS has addressed two privilege escalation and arbitrary code execution issues in hplip, recommending users upgrade to the latest fixed packages for Debian 11 and 12.
Fedora 43 Firefox Important Update to Version 153.0 - Performance Boost
Fedora has released an update for Mozilla Firefox to version 153.0, emphasizing compliance, performance, and portability, which can be installed using the dnf update program.
Fedora 43 2026-4a2d23b470 google-osconfig-agent Important DoS Issues
Fedora 43 has released an update for the Google OS Config Agent, fixing several bugs and vulnerabilities identified by CVEs, and recommending installation via the dnf update program.
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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
Email Spoofing Techniques That Bypass Human Detection
CISA KEV vs. NVD: How Linux Teams Should Prioritize Vulnerabilities That Actually Matter
Most Linux teams don't struggle to find vulnerabilities anymore. They struggle to decide which ones deserve attention first. Between daily scanner results, vendor advisories, and hundreds of new CVEs each month, the challenge isn't visibility—it's pr...
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...
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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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