Common Problems

SLES 12 — golang-github-prometheus-node_exporter — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — golang-github-prometheus-node_exporter — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 19, 2026
  • Linux
  • Comment off

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:3911-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-9264 CVE-2021-41244 CVE-2022-32149 CVE-2022-41723 CVE-2023-29409 CVE-2022-27664 CVE-2021-43798 CVE-2022-21698  +12 more Upstream summary: The SQL Expressions experimental feature of Grafana allows for the evaluation of `duckdb` […]

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pr cp 118919 r2

apt update Returns 404 Errors on Ubuntu 14.04

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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CentOS Stream 10 — nginx — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — nginx — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • May 19, 2026
  • Linux
  • Comment off

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:18063 Related CVEs: CVE-2026-42945 CVE-2026-27651 CVE-2026-27654 CVE-2026-27784 CVE-2026-32647 CVE-2026-1642 Upstream summary: nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and […]

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pr cp 119421 r2

Debian 13 apt Lock File Held by Another Process

  • May 19, 2026
  • Linux
  • Comment off

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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CentOS Stream 9 — nginx — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — nginx — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • May 19, 2026
  • Linux
  • Comment off

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:18029 Related CVEs: CVE-2026-42945 CVE-2026-27651 CVE-2026-27654 CVE-2026-27784 CVE-2026-32647 CVE-2026-1642 CVE-2022-41741 CVE-2022-41742  +2 more Upstream summary: nginx is a web and proxy server supporting HTTP and other protocols, with a focus on […]

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pr cp 119948 r2

Debian 12: APT lock contention during updates

  • May 19, 2026
  • Linux
  • Comment off

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 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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pr cp 120469 r2

Debian 11 Stuck at GRUB Prompt After Kernel Update

  • May 19, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 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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pr cp 120962 r2

APT Is Locked by Another Process

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 10 📖 ~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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