Linux

Amazon Linux 2 — python — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — python — multiple vulnerabilities (20 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 ALAS2-2026-3280 Related CVEs: CVE-2026-4519 CVE-2026-4786 CVE-2026-6100 CVE-2025-13462 CVE-2026-3479 CVE-2025-8194 CVE-2022-48565 CVE-2022-45061  +12 more Upstream summary: Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed […]

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SLES 16 — mariadb — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — mariadb — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 30 June 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-RU-2023:3956-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-15180 CVE-2026-32710 CVE-2025-13699 CVE-2016-3521 CVE-2016-6662 CVE-2016-6664 CVE-2019-18901 CVE-2019-2503  +12 more Upstream summary: A flaw was found in the mysql-wsrep component of mariadb. Lack of input […]

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Common Problems 116122

Ubuntu 26.04 LTS – systemd-resolved stub resolver returns intermittent DNS failures – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 29 June 2026 Affected versions: Ubuntu 26.04 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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Common Problems 113955

RHEL 10 – Podman container cannot bind privileged port due to SELinux context

🟠 High   ⏱ 5–30 min  Last verified: 29 June 2026 Affected versions: RHEL 10 RHEL 10.0 RHEL 10.1 📖 ~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 & […]

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How to Set Up a Next.js 15 Application on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Python 3.14 on Ubuntu 26.04

Python 3.14 introduces experimental free-threaded mode (no GIL), an improved REPL, deprecation of several legacy APIs, and template string literals (t-strings). Ubuntu 26.04 LTS ships with Python 3.14 as the default system Python. This guide installs and manages Python 3.14 on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS […]

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AlmaLinux 10 — 389-ds-base — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — 389-ds-base — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:3208 Related CVEs: CVE-2025-14905 Upstream summary: 389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for […]

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AlmaLinux 9 — nghttp2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — nghttp2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:7668 Related CVEs: CVE-2026-27135 CVE-2023-44487 CVE-2024-28182 Upstream summary: libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 (HTTP/2) protocol in C. Security Fix(es): * nghttp2: nghttp2: Denial of Service via […]

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AlmaLinux 9 — ruby — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — ruby — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:18030 Related CVEs: CVE-2026-41316 CVE-2024-49761 CVE-2025-24294 CVE-2025-58767 CVE-2025-61594 CVE-2024-39908 CVE-2024-41123 CVE-2024-41946  +10 more Upstream summary: Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to […]

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Debian 13 — ddskk — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ddskk — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 June 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0539 Upstream summary: skk (Simple Kana to Kanji conversion program) 12.1 and earlier, and the ddskk package which is based on skk, creates temporary files insecurely, which allows […]

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Amazon Linux 2023 — cuda-sanitizer-12-9 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — cuda-sanitizer-12-9 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023NVIDIA-2025-211 Related CVEs: CVE-2025-23272 CVE-2025-23247 Upstream summary: NVIDIA nvJPEG library contains a vulnerability where an attacker can cause an out-of-bounds read by means of a specially crafted JPEG file. A […]

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