Linux

Alpine Linux 3.19 — openvpn — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — openvpn — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 2.6.7-r0 📖 ~4 min read  •  Source: Alpine secdb entry — openvpn 2.6.7-r0 Related CVEs: CVE-2023-46849 CVE-2023-46850 CVE-2025-2704 CVE-2025-13086 CVE-2024-5594 CVE-2024-28882 CVE-2022-0547 CVE-2020-15078  +5 more Upstream summary: Alpine main repository for vv3.19 ships openvpn 2.6.7-r0 which […]

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Cómo agregar espacio de intercambio en Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Cómo agregar espacio de intercambio en Ubuntu 20.04

Una opción para evitar errores de memoria insuficiente en aplicaciones es agregar espacio de intercambio a su servidor. En esta guía, abordaremos la manera de añadir un archivo de intercambio a un servidor Ubuntu 20.04. <$>[warning] Advertencia: Si bien, en general, el…

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How to Generate systemd Units for Podman Containers on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Generate systemd Units for Podman Containers on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying generate systemd units for podman containers both straightforward and auditable. This tutorial covers the complete procedure for how to Generate systemd Units for Podman Containers on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Configure Persistent Volumes in Kubernetes on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Configure Persistent Volumes in Kubernetes on CentOS Stream 10

Introduction How to Configure Persistent Volumes in Kubernetes on CentOS Stream 10 on CentOS Stream 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting […]

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Common Problems 127124

CentOS Stream 10 – Common Problem 191 – Diagnosis and Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 14 June 2025 Affected versions: CentOS Stream 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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Debian 11 — libposix-2008-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libposix-2008-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 June 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-55564 Upstream summary: The POSIX::2008 package before 0.24 for Perl has a potential _execve50c env buffer overflow. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Rocky Linux 9 — curl — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 9

Rocky Linux 9 — curl — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 9 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:1350 Related CVEs: CVE-2025-9086 Upstream summary: The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. […]

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Ubuntu 22.04 — cinder — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — cinder — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 June 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6882-2 Related CVEs: CVE-2022-47951 CVE-2024-32498 CVE-2023-2088 https://launchpad.net/bugs/2020111 Upstream summary: USN-6882-1 fixed vulnerabilities in Cinder. The update caused a regression in certain environments due to incorrect privilege handling. This update fixes […]

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Amazon Linux 2 — kernel-livepatch-5.10.201-191.748 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.201-191.748 — multiple vulnerabilities (7 CVEs) — 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-2024-167 Related CVEs: CVE-2023-6040 CVE-2023-6606 CVE-2023-6817 CVE-2023-6932 CVE-2024-0565 CVE-2024-0646 CVE-2024-23849 Upstream summary: An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported […]

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Ubuntu 22.04 — tpm2-tss — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — tpm2-tss — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 June 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6796-1 Related CVEs: CVE-2023-22745 CVE-2024-29040 Upstream summary: Fergus Dall discovered that TPM2 Software Stack did not properly handle layer arrays. An attacker could possibly use this issue to cause TPM2 […]

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