Linux

Alpine Linux 3.18 — nfdump — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — nfdump — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.6.18-r0 📖 ~4 min read  •  Source: Alpine secdb entry — nfdump 1.6.18-r0 Related CVEs: CVE-2019-14459 CVE-2019-1010057 Upstream summary: Alpine main repository for vv3.18 ships nfdump 1.6.18-r0 which addresses CVE-2019-14459. Table of contents Symptom & Impact […]

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Oracle Linux 9 — curl — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — curl — vulnerability — patch and remediation guide (ELSA-2024-1129)

🟡 Medium   ⏱ 10–30 min  Last verified: 10 October 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1129 Related CVEs: CVE-2023-46218 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 — bash — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — bash — vulnerability — patch and remediation guide (ELSA-2023-0340)

🟡 Medium   ⏱ 10–30 min  Last verified: 10 October 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0340 Related CVEs: CVE-2022-3715 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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Common Problems 120004

Debian 12 Temporary Failure Resolving During apt update

🟡 Medium   ⏱ 5–30 min  Last verified: 10 October 2023 Affected versions: Debian 12 📖 ~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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Alpine Linux 3.18 — haproxy — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — haproxy — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 2.1.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — haproxy 2.1.4-r0 Related CVEs: CVE-2020-11100 Upstream summary: Alpine main repository for vv3.18 ships haproxy 2.1.4-r0 which addresses CVE-2020-11100. Table of contents Symptom & Impact Environment […]

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How to Configure Btrfs File System on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Btrfs File System on Debian 12

Introduction How to Configure Btrfs File System on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm 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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Amazon Linux 2023 — fdupes — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — fdupes — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2024-633 Related CVEs: CVE-2022-48682 Upstream summary: In deletefiles in FDUPES before 2.2.0, a TOCTOU race condition allows arbitrary file deletion via a symlink. (CVE-2022-48682) Table of contents Symptom & Impact […]

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Debian 11 — netdata — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — netdata — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 October 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-18836 CVE-2018-18837 CVE-2018-18838 CVE-2018-18839 CVE-2019-9834 CVE-2023-22496 CVE-2023-22497 Upstream summary: An issue was discovered in Netdata 1.10.0. JSON injection exists via the api/v1/data tqx parameter because of web_client_api_request_v1_data in […]

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openSUSE Tumbleweed — libiniparser1 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libiniparser1 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2023:0183-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-33461 Upstream summary: iniparser v4.1 is vulnerable to NULL Pointer Dereference in function iniparser_getlongint which misses check NULL for function iniparser_getstring's return. Table of contents […]

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Debian 12 — python-django-registration — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — python-django-registration — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-21416 Upstream summary: django-registration is a user registration package for Django. The django-registration package provides tools for implementing user-account registration flows in the Django web framework. In django-registration […]

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