Linux

Common Problems 124162

Oracle Linux 10 – sshd login is delayed by reverse DNS lookups and firewalld zone mismatch – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 September 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 124125

Oracle Linux 10 LVM Thin Pool Reaches 100 Percent Data Usage

🔴 Critical   ⏱ 5–30 min  Last verified: 20 September 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 — svgsalamander — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — svgsalamander — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 September 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-5617 Upstream summary: The SVG Salamander (aka svgSalamander) library, when used in a web application, allows remote attackers to conduct server-side request forgery (SSRF) attacks via an xlink:href attribute […]

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How to Configure strongSwan IPsec VPN on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure strongSwan IPsec VPN on Debian 13

Introduction Deploying configure strongswan ipsec vpn on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will need a registered […]

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Debian 11 — p7zip-rar — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — p7zip-rar — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 September 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-10115 CVE-2018-5996 CVE-2025-53816 Upstream summary: Incorrect initialization logic of RAR decoder objects in 7-Zip 18.03 and before can lead to usage of uninitialized memory, allowing remote attackers to […]

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Common Problems 119642

Debian 13 – Rootless Podman Fails with subuid/subgid Mapping Errors – Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 20 September 2025 Affected versions: Debian 13 (Trixie) 📖 ~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 — libxt — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libxt — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2002 CVE-2013-2005 Upstream summary: Buffer overflow in X.org libXt 1.1.3 and earlier allows X servers to cause a denial of service (crash) and possibly execute arbitrary code via […]

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Debian 13 — parser — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — parser — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3736 Upstream summary: ltdl.c in libltdl in GNU Libtool 1.5.x, and 2.2.6 before 2.2.6b, as used in Ham Radio Control Libraries, Q, and possibly other products, attempts to […]

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Amazon Linux 2023 — cuda-crt-13-0 — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — cuda-crt-13-0 — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023NVIDIA-2025-189 Related CVEs: CVE-2025-23248 CVE-2025-23255 CVE-2025-23271 CVE-2025-23273 CVE-2025-23274 CVE-2025-23275 CVE-2025-23308 CVE-2025-23338  +3 more Upstream summary: NVIDIA CUDA Toolkit for all platforms contains a vulnerability in the nvdisasm binary where a […]

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Common Problems 119635

Debian 13 MariaDB Authentication Fails After Plugin Changes

🟡 Medium   ⏱ 5–30 min  Last verified: 20 September 2025 📖 ~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 & Cross-Refs References & Further […]

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