Linux

AlmaLinux 8 — perl-Module-Metadata — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-Module-Metadata — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:8096 Related CVEs: CVE-2025-40909 CVE-2023-47038 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have a […]

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Debian 12 — golang-github-ulikunitz-xz — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — golang-github-ulikunitz-xz — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 August 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-29482 CVE-2025-58058 Upstream summary: xz is a compression and decompression library focusing on the xz format completely written in Go. The function readUvarint used to read the xz […]

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How to Install Valkey on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Valkey on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up install valkey on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting configuration will persist […]

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Alpine Linux 3.20 — openrc — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0.44.6-r1 📖 ~4 min read  •  Source: Alpine secdb entry — openrc 0.44.6-r1 Related CVEs: CVE-2021-42341 Upstream summary: Alpine main repository for vv3.20 ships openrc 0.44.6-r1 which addresses CVE-2021-42341. Table of contents Symptom & Impact Environment […]

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Ubuntu 24.04 — dnsdist — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — dnsdist — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 August 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8037-1 Related CVEs: CVE-2025-30193 CVE-2025-30187 CVE-2025-8671 Upstream summary: It was discovered that HTTP/2, which is used/vendored by DNSdist, did not properly account for resources when handling client-triggered stream resets. An […]

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Alpine Linux 3.20 — mingw-w64-binutils — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — mingw-w64-binutils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.36-r0 📖 ~4 min read  •  Source: Alpine secdb entry — mingw-w64-binutils 2.36-r0 Related CVEs: CVE-2020-35448 Upstream summary: Alpine community repository for vv3.20 ships mingw-w64-binutils 2.36-r0 which addresses CVE-2020-35448. Table of contents Symptom & Impact Environment […]

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Common Problems 119490

Debian 13 SSH Login Denied by AppArmor Profile

🟡 Medium   ⏱ 5–30 min  Last verified: 17 August 2025 📖 ~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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Oracle Linux 10 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — kernel — vulnerability — patch and remediation guide (ELSA-2025-15782)

🟡 Medium   ⏱ 10–30 min  Last verified: 17 August 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-15782 Related CVEs: CVE-2025-22068 CVE-2025-38332 CVE-2025-38392 CVE-2025-38463 CVE-2025-38498 CVE-2025-38500 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Alpine Linux 3.20 — graphicsmagick — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — graphicsmagick — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.3.38-r0 📖 ~4 min read  •  Source: Alpine secdb entry — graphicsmagick 1.3.38-r0 Related CVEs: CVE-2022-1270 CVE-2020-12672 CVE-2020-10938 CVE-2018-18544 CVE-2018-20189 CVE-2019-7397 CVE-2019-11473 CVE-2019-11474  +12 more Upstream summary: Alpine community repository for vv3.20 ships graphicsmagick 1.3.38-r0 which […]

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Oracle Linux 8 — container-tools:ol8 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:ol8 — vulnerability — patch and remediation guide (ELSA-2025-23543)

🟠 High   ⏱ 15–60 min  Last verified: 17 August 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-23543 Related CVEs: CVE-2025-52881 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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