Security Hardening

Debian 12 — libxmp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libxmp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 April 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-47256 Upstream summary: Libxmp through 4.6.2 has a stack-based buffer overflow in depack_pha in loaders/prowizard/pha.c via a malformed Pha format tracker module in a .mod file. Table of […]

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Alpine Linux 3.19 — blender — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — blender — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 3.3.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — blender 3.3.0-r0 Related CVEs: CVE-2022-2831 CVE-2022-2832 CVE-2022-2833 Upstream summary: Alpine community repository for vv3.19 ships blender 3.3.0-r0 which addresses CVE-2022-2831. Table of contents Symptom & […]

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Ubuntu 24.04 — ovn — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — ovn — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 April 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7396-1 Related CVEs: CVE-2025-0650 Upstream summary: Marius Berntsberg, Trygve Vea, Tore Anderson, Rodolfo Alonso, Jay Faulkner, and Brian Haley discovered that OVN incorrectly handled certain crafted UDP packets. A remote […]

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NetBSD 9.4 — nghttp2 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — nghttp2 — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2019-9511 CVE-2019-9513 CVE-2015-8659 CVE-2018-1000168 CVE-2016-1544 CVE-2020-11080 CVE-2023-44487 CVE-2024-28182  +1 more Upstream summary: pkgsrc audit-packages flagged nghttp2<1.39.2 for vulnerability class 'remote-denial-of-service'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-9511 Table of contents Symptom & Impact Environment […]

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Oracle Linux 8 — grafana — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — grafana — vulnerability — patch and remediation guide (ELSA-2026-3188)

🟠 High   ⏱ 15–60 min  Last verified: 11 April 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-3188 Related CVEs: CVE-2025-61726 CVE-2025-61728 CVE-2025-68121 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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Amazon Linux 2 — kernel-livepatch-5.10.236-228.935 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.236-228.935 — 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 ALAS2LIVEPATCH-2025-247 Related CVEs: CVE-2025-38037 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: vxlan: Annotate FDB data races (CVE-2025-38037) Table of contents Symptom & Impact Environment & […]

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CentOS Stream 9 — perl-YAML-LibYAML — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — perl-YAML-LibYAML — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 April 2025 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:9330 Related CVEs: CVE-2025-40908 Upstream summary: Kirill Siminov's "libyaml" is arguably the best YAML implementation. The C library is written precisely to the YAML 1.1 specification. It was originally bound to […]

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Rocky Linux 8 — libvirt-python — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — libvirt-python — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2023:5264 Related CVEs: CVE-2022-40284 CVE-2023-3354 CVE-2025-11234 CVE-2021-3750 CVE-2023-3301 CVE-2021-46790 CVE-2022-30784 CVE-2022-30786  +4 more Upstream summary: Kernel-based Virtual Machine (KVM) offers a full virtualization solution for Linux on numerous hardware platforms. […]

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AlmaLinux 8 — python39 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python39 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:23530 Related CVEs: CVE-2024-11168 CVE-2024-5642 CVE-2024-9287 CVE-2025-0938 CVE-2025-4138 CVE-2025-4330 CVE-2025-4435 CVE-2025-4516  +12 more Upstream summary: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic […]

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How to Configure iSCSI Storage on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Configure iSCSI Storage on CentOS Stream 10

Introduction This tutorial demonstrates how to Configure iSCSI Storage on CentOS Stream 10 on CentOS Stream 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 10 system with the default […]

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