Linux

CentOS Stream 9 — LibRaw — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — LibRaw — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 June 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:11360 Related CVEs: CVE-2026-21413 CVE-2026-24450 CVE-2021-32142 CVE-2023-1729 Upstream summary: LibRaw is a library for reading RAW files obtained from digital photo cameras (CRW/CR2, NEF, RAF, DNG, and others). Security Fix(es): * […]

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Ubuntu 20.04 — linux-gcp-fips — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-gcp-fips — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 June 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8273-1 Related CVEs: CVE-2024-50304 CVE-2026-23112 CVE-2026-23209 CVE-2026-31431 CVE-2026-31504 CVE-2026-31533 CVE-2026-43033 CVE-2026-43077  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

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How to Set Up a Private Docker Registry on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Portainer for Docker Management on Ubuntu 26.04

Portainer is an open-source container management UI that provides a web-based dashboard for managing Docker containers, images, volumes, networks, and stacks. It is available as a free Community Edition (CE). This guide installs Portainer CE on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Docker Engine installed A […]

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Ubuntu 24.04 — unbound — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — unbound — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 June 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8282-1 Related CVEs: CVE-2026-40622 CVE-2026-33278 CVE-2026-42923 CVE-2026-44390 CVE-2026-42944 CVE-2026-41292 CVE-2026-42959 CVE-2026-42960  +10 more Upstream summary: Andrew Griffiths discovered that Unbound did not properly handle certain DNSCrypt packets. A remote attacker […]

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Rocky Linux 8 — python3.11 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — python3.11 — multiple vulnerabilities (9 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-2026:11062 Related CVEs: CVE-2026-4786 CVE-2026-6100 CVE-2026-4519 CVE-2025-15366 CVE-2025-15367 CVE-2026-0865 CVE-2026-1299 CVE-2025-12084  +1 more Upstream summary: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high […]

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AlmaLinux 10 — pcs — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — pcs — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:10713 Related CVEs: CVE-2026-4800 CVE-2025-13465 CVE-2025-59830 CVE-2025-61770 CVE-2025-61771 CVE-2025-61772 CVE-2025-61919 Upstream summary: The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Security Fix(es): * lodash: lodash: Arbitrary […]

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Common Problems 116111

Ubuntu 26.04 LTS – Secure Boot blocks third-party kernel module – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 23 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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AlmaLinux 9 — keylime — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — keylime — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:2224 Related CVEs: CVE-2026-1709 CVE-2025-13609 CVE-2023-38200 CVE-2023-38201 CVE-2022-3500 CVE-2023-3674 Upstream summary: Keylime is a TPM based highly scalable remote boot attestation and runtime integrity measurement solution. Security Fix(es): * keylime: Keylime: Authentication […]

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Debian 13 — percona-toolkit — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — percona-toolkit — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 June 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-2029 CVE-2015-1027 CVE-2024-7701 Upstream summary: The automatic version check functionality in the tools in Percona Toolkit 2.1 allows man-in-the-middle attackers to obtain sensitive information or execute arbitrary code […]

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Debian 13 — optipng — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — optipng — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 June 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5101 CVE-2009-0749 CVE-2015-7801 CVE-2015-7802 CVE-2016-2191 CVE-2016-3981 CVE-2016-3982 CVE-2017-1000229  +2 more Upstream summary: Buffer overflow in the BMP reader in OptiPNG 0.6 and 0.6.1 allows user-assisted attackers to execute […]

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CHAT