Linux

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

Oracle Linux 9 — flac — vulnerability — patch and remediation guide (ELSA-2022-8078)

🟡 Medium   ⏱ 10–30 min  Last verified: 20 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8078 Related CVEs: CVE-2021-0561 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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Alpine Linux 3.18 — py3-certifi — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — py3-certifi — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 2023.7.22-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-certifi 2023.7.22-r0 Related CVEs: CVE-2023-37920 Upstream summary: Alpine main repository for vv3.18 ships py3-certifi 2023.7.22-r0 which addresses CVE-2023-37920. Table of contents Symptom & Impact Environment […]

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

Oracle Linux 9 — unbound — vulnerability — patch and remediation guide (ELSA-2023-2370)

🟡 Medium   ⏱ 10–30 min  Last verified: 20 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2370 Related CVEs: CVE-2022-3204 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 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — firefox — vulnerability — patch and remediation guide (ELSA-2023-3143)

🟠 High   ⏱ 15–60 min  Last verified: 20 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3143 Related CVEs: CVE-2023-32207 CVE-2023-32215 CVE-2023-32212 CVE-2023-32213 CVE-2023-32205 CVE-2023-32206 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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openSUSE Leap 15.5 — tycho — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — tycho — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:1304-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-4218 Upstream summary: In Eclipse IDE versions < 2023-09 (4.29) some files with xml content are parsed vulnerable against all sorts of XXE attacks. […]

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Oracle Linux 9 — KVM Virtual Machines Panic When Started on Oracle Linux 9 Hosts — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — KVM Virtual Machines Panic When Started on Oracle Linux 9 Hosts

🟠 High   ⏱ 5–30 min  Last verified: 19 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: Oracle Bug 34224821 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 […]

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Common Problems 120024

Debian 12 systemd Service Fails with Exit Code 1

🟡 Medium   ⏱ 5–30 min  Last verified: 19 July 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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Amazon Linux 2 — shim — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — shim — vulnerability — 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 ALAS2-2024-2484 Related CVEs: CVE-2023-40547 Upstream summary: A remote code execution vulnerability was found in Shim. The Shim boot support trusts attacker-controlled values when parsing an HTTP response. This flaw allows […]

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How to Configure Blackbox Exporter for Endpoint Monitoring on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Blackbox Exporter for Endpoint Monitoring on Debian 12

Introduction Deploying configure blackbox exporter for endpoint monitoring on debian 12 on a Debian 12 Bookworm 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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openSUSE Tumbleweed — libsasl2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libsasl2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:0743-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-24407 CVE-2019-19906 CVE-2020-8032 CVE-2009-0688 Upstream summary: In Cyrus SASL 2.1.17 through 2.1.27 before 2.1.28, plugins/sql.c does not escape the password for a SQL INSERT or […]

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CHAT