Linux

Oracle Linux 9 — perl-YAML-LibYAML — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — perl-YAML-LibYAML — vulnerability — patch and remediation guide (ELSA-2025-9330)

🟠 High   ⏱ 15–60 min  Last verified: 14 June 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-9330 Related CVEs: CVE-2025-40908 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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openSUSE Tumbleweed — lemon — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — lemon — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:11802 (see also SUSE bugzilla) Related CVEs: CVE-2025-6965 CVE-2025-70873 CVE-2025-7709 Upstream summary: There exists a vulnerability in SQLite versions before 3.50.2 where the number of aggregate terms could exceed the number of […]

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How to Set Up Software RAID with mdadm on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Zabbix 7 on Ubuntu 26.04

Zabbix 7 is an enterprise-grade open-source monitoring solution that collects metrics from servers, network devices, cloud services, and applications. It supports SNMP, JMX, IPMI, and custom monitoring scripts. This guide installs Zabbix 7 on Ubuntu 26.04 LTS with MySQL and Nginx. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with MySQL 9 […]

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Oracle Linux 8 — python3.11 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python3.11 — vulnerability — patch and remediation guide (ELSA-2026-4473)

🟡 Medium   ⏱ 10–30 min  Last verified: 14 June 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-4473 Related CVEs: CVE-2025-15366 CVE-2025-15367 CVE-2026-0865 CVE-2026-1299 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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SLES 12 — gegl-devel — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — gegl-devel — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 June 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:1479-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-2049 CVE-2025-10921 Upstream summary: Unknown. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix […]

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How to Configure Chrony for Time Synchronization on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure Chrony for Time Synchronization on RHEL 10

Introduction Setting up configure chrony for time synchronization on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Chrony for Time Synchronization on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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SLES 16 — nghttp2 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — nghttp2 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 June 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:7080 (see also SUSE bugzilla) Related CVEs: CVE-2026-27135 CVE-2019-18802 CVE-2020-11080 CVE-2023-35945 CVE-2024-28182 CVE-2018-1000168 CVE-2016-1544 Upstream summary: nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version […]

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Red Hat Enterprise Linux 10 — galera — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — galera — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:19021 Related CVEs: CVE-2026-32710 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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SLES 16 — corosync — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — corosync — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 June 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:13644 (see also SUSE bugzilla) Related CVEs: CVE-2026-35091 CVE-2026-35092 Upstream summary: A flaw was found in Corosync. A remote unauthenticated attacker can exploit a wrong return value vulnerability in the Corosync membership […]

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Oracle Linux 10 — .NET 8.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — .NET 8.0 — vulnerability — patch and remediation guide (ELSA-2025-8814)

🟠 High   ⏱ 15–60 min  Last verified: 14 June 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-8814 Related CVEs: CVE-2025-30399 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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