Linux

openSUSE Tumbleweed — fontforge — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — fontforge — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • August 26, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:6628 (see also SUSE bugzilla) Related CVEs: CVE-2025-15270 CVE-2025-15269 CVE-2025-15275 CVE-2025-15279 CVE-2024-25081 CVE-2020-5395 CVE-2025-50949 CVE-2017-17521 Upstream summary: FontForge SFD File Parsing Improper Validation of Array Index Remote Code Execution Vulnerability. This vulnerability […]

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Common Problems 119495

Debian 13 systemd-resolved DNS Resolution Failure

  • August 26, 2025
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 26 August 2025 Affected versions: Debian 13 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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How to Monitor Nginx with nginx-prometheus-exporter on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Monitor Nginx with nginx-prometheus-exporter on Debian 13

  • August 26, 2025
  • Linux
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Introduction How to Monitor Nginx with nginx-prometheus-exporter on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. […]

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Rocky Linux 8 — libvirt-dbus — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — libvirt-dbus — multiple vulnerabilities (12 CVEs) — patch and remediation guide

  • August 26, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2023:5264 Related CVEs: CVE-2022-40284 CVE-2023-3354 CVE-2025-11234 CVE-2021-3750 CVE-2023-3301 CVE-2021-46790 CVE-2022-30784 CVE-2022-30786  +4 more Upstream summary: Kernel-based Virtual Machine (KVM) offers a full virtualization solution for Linux on numerous hardware platforms. […]

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Common Problems 124005

Oracle Linux 10 – journalctl shows repeated kernel I-O errors on XFS – Fix & Prevention

  • August 25, 2025
  • Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 25 August 2025 Affected versions: Oracle Linux 10 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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Common Problems 124004

Oracle Linux 10 – chronyd not synchronizing system time with NTP sources – Fix & Prevention

  • August 25, 2025
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 25 August 2025 Affected versions: Oracle Linux 10 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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Debian 13 — dbus-broker — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — dbus-broker — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • August 25, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-31212 CVE-2022-31213 Upstream summary: An issue was discovered in dbus-broker before 31. It depends on c-uitl/c-shquote to parse the DBus service's Exec line. c-shquote contains a stack-based buffer […]

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How to Run Ansible Playbooks Against RHEL 10 Hosts — step-by-step RHEL 10 tutorial on Progressive Robot

How to Run Ansible Playbooks Against RHEL 10 Hosts

  • August 25, 2025
  • Linux
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Introduction How to Run Ansible Playbooks Against RHEL 10 Hosts 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 reproducible […]

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Debian 13 — golang-yaml.v2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — golang-yaml.v2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • August 25, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-4235 CVE-2022-3064 Upstream summary: Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this […]

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Debian 13 — lemonldap-ng — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — lemonldap-ng — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • August 25, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-6426 CVE-2019-12046 CVE-2019-13031 CVE-2019-15941 CVE-2019-19791 CVE-2020-16093 CVE-2020-24660 CVE-2021-35472  +12 more Upstream summary: LemonLDAP::NG before 1.2.3 does not use the signature-verification capability of the Lasso library, which allows remote […]

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