Linux

openSUSE Leap 15.5 — connman — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — connman — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2023:0369-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-28488 Upstream summary: client.c in gdhcp in ConnMan through 1.41 could be used by network-adjacent attackers (operating a crafted DHCP server) to cause a […]

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SLES 12 — bluez — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — bluez — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 August 2023 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory RHSA-2024:9413 (see also SUSE bugzilla) Related CVEs: CVE-2023-27349 CVE-2022-39176 CVE-2019-8921 CVE-2019-8922 CVE-2023-45866 CVE-2021-41229 CVE-2022-39177 CVE-2020-0556  +12 more Upstream summary: BlueZ Audio Profile AVRCP Improper Validation of Array Index Remote Code Execution Vulnerability. […]

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Debian 12 — libpodofo — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libpodofo — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-8981 CVE-2017-5852 CVE-2017-5853 CVE-2017-5854 CVE-2017-5855 CVE-2017-5886 CVE-2017-6840 CVE-2017-6841  +12 more Upstream summary: Heap-based buffer overflow in the PdfParser::ReadXRefSubsection function in base/PdfParser.cpp in PoDoFo allows attackers to have unspecified […]

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How to Set Up Nagios4 on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up Nagios4 on Debian 12

Introduction Deploying set up nagios4 on debian 12 on a Debian 12 Bookworm 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, […]

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Rocky Linux 8 — python-backports — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — python-backports — multiple vulnerabilities (2 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-2023:5994 Related CVEs: CVE-2023-40217 CVE-2023-32681 Upstream summary: Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, and dynamic typing. The python27 packages […]

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Oracle Linux 9 — qt5 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — qt5 — security and stability fixes — required update (ELSA-2022-8022)

🟡 Medium   ⏱ 10–30 min  Last verified: 9 August 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8022 Related CVEs: CVE-2022-25255 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Common Problems 114404

RHEL 9 Repositories Show as Disabled

🟡 Medium   ⏱ 5–30 min  Last verified: 9 August 2023 📖 ~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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Debian 12 — jabberd2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — jabberd2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-1329 CVE-2011-1755 CVE-2012-3525 CVE-2015-2058 CVE-2017-10807 CVE-2017-18226 Upstream summary: The SASL negotiation in Jabber Studio jabberd before 2.0s11 allows remote attackers to cause a denial of service ("c2s segfault") […]

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How to Install Node.js 20 LTS on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Node.js 20 LTS on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up install node.js 20 lts on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully and […]

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Common Problems 120158

Debian 12: Cloud-init user-data not applied

🟠 High   ⏱ 5–30 min  Last verified: 9 August 2023 Affected versions: Debian 12 📖 ~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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