Linux

AlmaLinux 8 — qt5-qtdeclarative — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — qt5-qtdeclarative — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4172 Related CVEs: CVE-2021-3481 CVE-2018-19869 CVE-2018-19871 CVE-2018-19872 Upstream summary: Qt is a software toolkit for developing applications. The following packages have been upgraded to a later upstream version: adwaita-qt (1.2.1), python-qt5 (5.15.0), […]

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Common Problems 120638

Debian 11 – ext4 filesystem remounts read-only after I/O errors

🔴 Critical   ⏱ 5–30 min  Last verified: 18 April 2022 Affected versions: Debian 11 📖 ~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 Install kubeadm and Set Up a Kubernetes Cluster on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install kubeadm and Set Up a Kubernetes Cluster on Debian 11

Introduction This guide explains how to Install kubeadm and Set Up a Kubernetes Cluster on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian […]

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AlmaLinux 8 — pixman — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — pixman — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:0131 Related CVEs: CVE-2022-44638 CVE-2020-35492 Upstream summary: Pixman is a pixel manipulation library for the X Window System and Cairo. Security Fix(es): * pixman: Integer overflow in pixman_sample_floor_y leading to heap out-of-bounds […]

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Debian 11 — tiger — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — tiger — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-3927 Upstream summary: genmsgidx in Tiger 3.2.2 allows local users to overwrite or delete arbitrary files via a symlink attack on temporary files. Table of contents Symptom & […]

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AlmaLinux 8 — squashfs-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — squashfs-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:3139 Related CVEs: CVE-2021-40153 CVE-2021-41072 Upstream summary: SquashFS is a highly compressed read-only file system for Linux. These packages contain the utilities for manipulating squashfs file systems. Security Fix(es): * squashfs-tools: unvalidated […]

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Debian 11 — guilt — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — guilt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-5207 Upstream summary: guilt 0.27 allows local users to overwrite arbitrary files via a symlink attack on a guilt.log.[PID] temporary file. Table of contents Symptom & Impact Environment […]

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Debian 11 — db4o — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — db4o — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 18 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-6550 CVE-2013-1808 CVE-2014-1869 Upstream summary: Cross-site scripting (XSS) vulnerability in ZeroClipboard before 1.1.4 allows remote attackers to inject arbitrary web script or HTML via "the clipText returned from […]

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Amazon Linux 2 — kernel-livepatch-5.10.68-62.173 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.68-62.173 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2021-073 Related CVEs: CVE-2021-4002 CVE-2021-43267 Upstream summary: A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory […]

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Oracle Linux 8 — ruby:2.7 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ruby:2.7 — vulnerability — patch and remediation guide (ELSA-2021-3020)

🟠 High   ⏱ 15–60 min  Last verified: 18 April 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3020 Related CVEs: CVE-2021-32066 CVE-2020-36327 CVE-2021-31810 CVE-2021-31799 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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