Linux

Rocky Linux 8 — perl-generators — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — perl-generators — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:8096 Related CVEs: CVE-2025-40909 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 […]

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Ubuntu 24.04 — gtk+3.0 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — gtk+3.0 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 October 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6899-1 Related CVEs: CVE-2024-6655 Upstream summary: It was discovered that GTK would attempt to load modules from the current directory, contrary to expectations. If users started GTK applications from shared […]

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

How to Install Graylog on Debian 13

Introduction Deploying install graylog on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, ensure you have a […]

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Ubuntu 20.04 — erlang — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — erlang — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 October 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7831-1 Related CVEs: CVE-2025-48041 CVE-2025-48038 CVE-2025-48040 CVE-2025-48039 CVE-2025-32433 CVE-2025-30211 CVE-2025-26618 CVE-2022-37026 Upstream summary: It was discovered that Erlang incorrectly handled resource allocation and consumption in the SFTP SSH module. An […]

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Common Problems 116589

Ubuntu 24.04 LTS KVM VM Networking Breaks After Netplan Bridge Edit

🟡 Medium   ⏱ 5–30 min  Last verified: 1 October 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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Ubuntu 22.04 — cups — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — cups — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 October 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7912-1 Related CVEs: CVE-2025-58436 https://launchpad.net/bugs/2133207 CVE-2025-61915 CVE-2025-58060 CVE-2025-58364 CVE-2024-47175 https://launchpad.net/bugs/2070315 CVE-2024-35235  +7 more Upstream summary: Johannes Meixner and Paul Zirnik discovered that CUPS incorrectly handled clients that send messages slowly. […]

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CentOS Stream 9 — binutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — binutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 October 2025 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:23343 Related CVEs: CVE-2025-11083 CVE-2022-4285 Upstream summary: The binutils packages provide a collection of binary utilities for the manipulation of object code in various object file formats. It includes the ar, […]

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Debian 13 — gnutls28 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gnutls28 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-3389 CVE-2012-0390 CVE-2012-1573 CVE-2012-1663 CVE-2013-0169 CVE-2013-1619 CVE-2014-0092 CVE-2014-1959  +12 more Upstream summary: The SSL protocol, as used in certain configurations in Microsoft Windows and Microsoft Internet Explorer, Mozilla […]

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Debian 13 — xorg-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — xorg-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-0745 CVE-2006-1526 CVE-2006-4447 CVE-2006-6101 CVE-2006-6102 CVE-2006-6103 CVE-2007-1003 CVE-2007-2437  +12 more Upstream summary: X.Org server (xorg-server) 1.0.0 and later, X11R6.9.0, and X11R7.0 inadvertently treats the address of the geteuid […]

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How to Use Python Virtual Environments on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Deno 2 on Ubuntu 24.04

Deno 2 is a modern JavaScript and TypeScript runtime that is secure by default, requires no package.json, and has first-class TypeScript support. Released in 2024, it is now Node.js-compatible. This guide installs Deno 2 on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server or desktop A user account […]

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