Linux

Common Problems 117084

Ubuntu 22.04 LTS /boot Full After Repeated Kernel Updates

🟡 Medium   ⏱ 5–30 min  Last verified: 4 July 2022 📖 ~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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Alpine Linux edge — libcaca — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libcaca — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.99_beta20-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libcaca 0.99_beta20-r0 Related CVEs: CVE-2021-30498 CVE-2021-30499 CVE-2021-3410 CVE-2018-20544 CVE-2018-20545 CVE-2018-20546 CVE-2018-20547 CVE-2018-20548  +1 more Upstream summary: Alpine community repository for vedge ships libcaca 0.99_beta20-r0 which […]

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Oracle Linux 9 — postgresql-jdbc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — postgresql-jdbc — vulnerability — patch and remediation guide (ELSA-2023-2378)

🟡 Medium   ⏱ 10–30 min  Last verified: 4 July 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2378 Related CVEs: CVE-2022-41946 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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Oracle Linux 9 — less — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — less — vulnerability — patch and remediation guide (ELSA-2023-3725)

🟡 Medium   ⏱ 10–30 min  Last verified: 4 July 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3725 Related CVEs: CVE-2022-46663 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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Oracle Linux 8 — python-lxml — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python-lxml — vulnerability — patch and remediation guide (ELSA-2022-1932)

🟡 Medium   ⏱ 10–30 min  Last verified: 4 July 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1932 Related CVEs: CVE-2021-43818 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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How to Set Up LVM Logical Volume Management on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up LVM Logical Volume Management on Debian 11

Introduction Deploying set up lvm logical volume management on debian 11 on a Debian 11 Bullseye 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 […]

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AlmaLinux 8 — adwaita-qt — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — adwaita-qt — vulnerability — 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 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), qgnomeplatform (0.7.1), qt5 […]

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Oracle Linux 8 — dotnet7.0 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dotnet7.0 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-7826)

🟡 Medium   ⏱ 10–30 min  Last verified: 3 July 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7826 Related CVEs: CVE-2022-41032 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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Debian 11 — libio-socket-ssl-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libio-socket-ssl-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3024 CVE-2010-4334 Upstream summary: The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL (IO::Socket::SSL) 1.14 through 1.25 only matches the prefix of a hostname when no wildcard […]

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Debian 11 — highlight.js — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — highlight.js — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-26237 Upstream summary: Highlight.js is a syntax highlighter written in JavaScript. Highlight.js versions before 9.18.2 and 10.1.2 are vulnerable to Prototype Pollution. A malicious HTML code block can […]

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