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linux-hardening10 articles
Nov 6, 2026

CVE-2026-123158 (SSHole): OpenSSH Empty-Password Login Flaw Exploited Within Hours — Detection and Remediation Guide

The SSHole Window Is Measured in Hours, Not Days If your organization runs OpenSSH on musl libc-based Linux systems — think Alpine Linux con...

cvezero-daypatch-tuesday
Vulnerability ManagementRead Now
Oct 31, 2026

CVE-2026-96512: Fedora sudo 1.9.17 Privilege Escalation Fix — Detection and Remediation Guide

Introduction Fedora has released sudo 1.9.17 for Fedora 45, addressing CVE-2026-96512, a security vulnerability in the sudo package — arguab...

cvezero-daypatch-tuesday
Vulnerability ManagementRead Now
Oct 28, 2026

PHP2Shell Exploitation: China-Nexus Actor Roots 25 Servers, Breaches Government-Affiliated Network — Detection and Hardening Guide

Introduction On October 25, 2026, security researchers disclosed an intrusion campaign that should be on every SOC's radar this week: a susp...

managed-socmdrsecurity-monitoring
SOC & MDRRead Now
Oct 19, 2026

Plex2Shell Exploit Chain Hits Plex Media Server: Detection and Remediation Guide for Crypto Miner and Reverse Proxy Attacks

Introduction Within 24 hours of a public proof-of-concept release, threat actors began actively weaponizing a four-vulnerability exploit cha...

sigma-rulekql-detectionthreat-hunting
Vulnerability ManagementRead Now
Oct 2, 2026

AI-Agent Breach of DIVD via Chained Zammad Zero-Days: Detection and Hardening Guide for Zammad Deployments

Introduction The Dutch Institute for Vulnerability Disclosure (DIVD) — a nonprofit whose entire mission is finding and responsibly disclosin...

criticalzero-daycve
Vulnerability ManagementRead Now
Sep 20, 2026

Rocky Linux 9 Tomcat Security Update RLSA-2026-68660: Patching and Exploitation Detection Guide

Rocky Linux 9 Tomcat Security Update RLSA-2026-68660: Patching and Exploitation Detection Guide Excerpt: Rocky Linux 9 has shipped a moderat...

cvezero-daypatch-tuesday
Vulnerability ManagementRead Now
Sep 11, 2026

Linux Privilege Escalation Detection Framework: Why 7 of 13 Tracked CVEs Were the Same Copy-on-Write Bug — and How to Detect the Primitive, Not the Patch

The 2026 Linux Privilege Escalation Problem: Same Bug, Different Door If your vulnerability management queue looks like a firehose of Linux ...

sigma-rulekql-detectionthreat-hunting
SOC & MDRRead Now
Sep 1, 2026

Oracle Linux 10 libxml2 Security Update ELSA-2026-60394-0: Patching and Validation Guide for Defenders

Introduction Oracle has published ELSA-2026-60394-0, a moderate-severity security update for the libxml2 library on Oracle Linux 10, with up...

cvezero-daypatch-tuesday
Vulnerability ManagementRead Now
Aug 24, 2026

CVE-2026-10805: Rocky Linux 8 NetworkManager Local Privilege Escalation — Detection and Remediation Guide

Introduction Rocky Linux has shipped security advisory RLSA-2026-58555, addressing a local privilege escalation vulnerability in NetworkMana...

cvezero-daypatch-tuesday
Vulnerability ManagementRead Now
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