Logging Monitoring

Debian 11 — networkd-dispatcher — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — networkd-dispatcher — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-29799 CVE-2022-29800 Upstream summary: A vulnerability was found in networkd-dispatcher. This flaw exists because no functions are sanitized by the OperationalState or the AdministrativeState of networkd-dispatcher. This attack […]

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openSUSE Tumbleweed — freeradius-server — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — freeradius-server — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:4620-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-41860 CVE-2022-41861 CVE-2019-17185 CVE-2022-41859 CVE-2008-4474 CVE-2012-3547 CVE-2014-2015 CVE-2015-4680  +11 more Upstream summary: In freeradius, when an EAP-SIM supplicant sends an unknown SIM option, the server […]

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How to Set Up TimescaleDB on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up TimescaleDB on Debian 11

Introduction Deploying set up timescaledb on debian 11 on a Debian 11 Bullseye 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 You will need […]

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Debian 11 — msgpuck — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — msgpuck — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-9036 Upstream summary: An exploitable incorrect return value vulnerability exists in the mp_check function of Tarantool's Msgpuck library 1.0.3. A specially crafted packet can cause the mp_check function […]

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Debian 11 — php-letodms-core — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php-letodms-core — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-4570 Upstream summary: SQL injection vulnerability in LetoDMS_Core/Core/inc.ClassDMS.php in LetoDMS (formerly MyDMS) before 3.3.8 allows remote attackers to execute arbitrary SQL commands via unspecified vectors. Table of contents […]

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Ubuntu 18.04 — golang-yaml.v2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — golang-yaml.v2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 April 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6287-1 Related CVEs: CVE-2021-4235 CVE-2022-3064 Upstream summary: Simon Ferquel discovered that the Go yaml package incorrectly handled certain YAML documents. If a user or an automated system were tricked into […]

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Ubuntu 20.04 — stunnel4 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — stunnel4 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 April 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6901-1 Related CVEs: CVE-2021-20230 Upstream summary: It was discovered that stunnel did not properly validate client certificates when configured to use both the redirect and verifyChain options. A remote attacker […]

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Common Problems 120599

Debian 11 RAID Array Degraded Without Alerting

🔴 Critical   ⏱ 5–30 min  Last verified: 1 April 2022 Affected versions: Debian 11 📖 ~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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IBM AIX 7.3 — CVE-2010-4622 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2010-4622 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 31 March 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2010-4622, IBM Support Bulletin CVE: CVE-2010-4622 NVD summary: Directory traversal vulnerability in WebSEAL in IBM Tivoli Access Manager for e-business 6.1.1 before 6.1.1-TIV-AWS-FP0001 on AIX allows remote attackers to read arbitrary files […]

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How to Configure Xdebug for PHP on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure Xdebug for PHP on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure xdebug for php on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Xdebug for PHP on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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