Security Hardening

Gentoo Linux — x11-base/xwayland — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — x11-base/xwayland — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 14, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202506-04 Related CVEs: CVE-2025-26594 CVE-2025-26595 CVE-2025-26596 CVE-2025-26597 CVE-2025-26598 CVE-2025-26599 CVE-2025-26600 CVE-2025-26601  +12 more Upstream summary: Multiple vulnerabilities have been discovered in X.Org X server and XWayland. Please review the CVE identifiers referenced […]

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SLES 16 — iscsiuio — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — iscsiuio — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • July 14, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 14 July 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:233-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-13987 CVE-2020-13988 CVE-2020-17437 CVE-2020-17438 Upstream summary: An issue was discovered in Contiki through 3.0. An Out-of-Bounds Read vulnerability exists in the uIP TCP/IP Stack component […]

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How to Install Loki for Log Aggregation on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Loki for Log Aggregation on RHEL 10

  • July 14, 2026
  • Linux
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Introduction How to Install Loki for Log Aggregation on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]

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Gentoo Linux — x11-base/xorg-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — x11-base/xorg-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 14, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202506-04 Related CVEs: CVE-2025-26594 CVE-2025-26595 CVE-2025-26596 CVE-2025-26597 CVE-2025-26598 CVE-2025-26599 CVE-2025-26600 CVE-2025-26601  +12 more Upstream summary: Multiple vulnerabilities have been discovered in X.Org X server and XWayland. Please review the CVE identifiers referenced […]

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Oracle Linux 8 — .NET 9.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 9.0 — vulnerability — patch and remediation guide (ELSA-2026-4443)

  • July 14, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 14 July 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-4443 Related CVEs: CVE-2026-26127 CVE-2026-26130 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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AlmaLinux 8 — fence-agents — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — fence-agents — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • July 14, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:12176 Related CVEs: CVE-2026-26007 CVE-2026-30922 CVE-2026-32597 CVE-2026-23490 CVE-2025-66418 CVE-2025-66471 CVE-2026-21441 CVE-2024-47081  +7 more Upstream summary: The fence-agents packages provide a collection of scripts for handling remote power management for cluster devices. They […]

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FreeBSD 15 — libXxf86vm — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — libXxf86vm — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 14, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 14 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xorg — protocol handling issues in X Window System client libraries Related CVEs: CVE-2013-1981 CVE-2013-1982 CVE-2013-1983 CVE-2013-1984 CVE-2013-1985 CVE-2013-1986 CVE-2013-1987 CVE-2013-1988  +12 more Upstream summary: freedesktop.org reports: Ilja van Sprundel, […]

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FreeBSD 15 — tshark — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — tshark — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 14, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 14 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wireshark — multiple security issues Related CVEs: CVE-2010-3445 CVE-2012-0041 CVE-2012-0066 CVE-2012-0067 CVE-2012-0068 CVE-2012-3548 CVE-2012-4048 CVE-2012-4049  +12 more Upstream summary: wireshark developers reports: wnpa-sec-2018-05. IEEE 802.11 dissector crash. (CVE-2018-7335) wnpa-sec-2018-06. Large […]

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How to Use cri-o Runtime on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Use cri-o Runtime on RHEL 10

  • July 13, 2026
  • Linux
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Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying use cri-o runtime both straightforward and auditable. This tutorial covers the complete procedure for how to Use cri-o Runtime on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites You will need: […]

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AlmaLinux 10 — nodejs22 — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — nodejs22 — multiple vulnerabilities (16 CVEs) — patch and remediation guide

  • July 13, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:7080 Related CVEs: CVE-2026-1525 CVE-2026-1526 CVE-2026-1528 CVE-2026-21710 CVE-2026-2229 CVE-2026-25547 CVE-2026-26996 CVE-2026-27135  +8 more Upstream summary: Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications. Node.js […]

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