Linux

Oracle Linux 9 — libxml2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libxml2 — vulnerability — patch and remediation guide (ELSA-2025-12447)

🟠 High   ⏱ 15–60 min  Last verified: 8 August 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-12447 Related CVEs: CVE-2025-7425 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 116458

Ubuntu 24.04 LTS Netplan Apply Causes Immediate Network Loss

🟠 High   ⏱ 5–30 min  Last verified: 8 August 2025 Affected versions: Ubuntu 24.04 LTS 📖 ~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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Oracle Linux 10 — cups — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — cups — vulnerability — patch and remediation guide (ELSA-2025-15701)

🟠 High   ⏱ 15–60 min  Last verified: 8 August 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-15701 Related CVEs: CVE-2025-58060 CVE-2025-58364 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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AlmaLinux 10 — mariadb10.11 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — mariadb10.11 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:0136 Related CVEs: CVE-2023-52969 CVE-2023-52970 CVE-2023-52971 CVE-2025-13699 CVE-2025-21490 CVE-2025-30693 CVE-2025-30722 Upstream summary: MariaDB is a community developed fork from MySQL – a multi-user, multi-threaded SQL database server. It is a client/server implementation […]

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

Oracle Linux 9 — podman — vulnerability — patch and remediation guide (ELSA-2025-23325)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 August 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-23325 Related CVEs: CVE-2025-58183 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 — mod_auth_openidc:2.3 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — mod_auth_openidc:2.3 — vulnerability — patch and remediation guide (ELSA-2025-4597)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 August 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-4597 Related CVEs: CVE-2025-3891 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 3.20 — mercurial — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — mercurial — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 4.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — mercurial 4.9-r0 Related CVEs: CVE-2019-3902 Upstream summary: Alpine community repository for vv3.20 ships mercurial 4.9-r0 which addresses CVE-2019-3902. Table of contents Symptom & Impact Environment […]

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Common Problems 116445

Ubuntu 24.04 LTS – UFW rules accidentally block SSH access – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 August 2025 Affected versions: Ubuntu 24.04 LTS 📖 ~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 3.20 — libuv — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — libuv — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.48.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libuv 1.48.0-r0 Related CVEs: CVE-2024-24806 CVE-2020-8252 Upstream summary: Alpine main repository for vv3.20 ships libuv 1.48.0-r0 which addresses CVE-2024-24806. Table of contents Symptom & Impact […]

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Oracle Linux 10 — python3.12 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — python3.12 — vulnerability — patch and remediation guide (ELSA-2025-10140)

🟠 High   ⏱ 15–60 min  Last verified: 8 August 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-10140 Related CVEs: CVE-2025-4330 CVE-2025-4517 CVE-2024-12718 CVE-2025-4138 CVE-2025-4435 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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