Linux

Debian 11 — cluster-glue — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — cluster-glue — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-2496 Upstream summary: stonith-ng in pacemaker and cluster-glue passed passwords as commandline parameters, making it possible for local attackers to gain access to passwords of the HA stack […]

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Common Problems 115503

RHEL 7 – journalctl Flooded by rsyslog Looping Messages

🟡 Medium   ⏱ 5–30 min  Last verified: 17 May 2022 📖 ~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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Alpine Linux edge — discover — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — discover — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 5.21.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — discover 5.21.3-r0 Related CVEs: CVE-2021-28117 Upstream summary: Alpine community repository for vedge ships discover 5.21.3-r0 which addresses CVE-2021-28117. Table of contents Symptom & Impact Environment […]

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

Debian 11 — webauth — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-2945 Upstream summary: weblogin/login.fcgi (aka the WebLogin login script) in Stanford University WebAuth 3.5.5, 3.6.0, and 3.6.1 places passwords in URLs in certain circumstances involving conversion of a […]

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How to Mount CIFS Windows Shares on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Mount CIFS Windows Shares on Debian 11

Introduction How to Mount CIFS Windows Shares on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 11. […]

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

Debian 11 — libfishsound — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-1686 Upstream summary: Array index vulnerability in Speex 1.1.12 and earlier, as used in libfishsound 0.9.0 and earlier, including Illiminable DirectShow Filters and Annodex Plugins for Firefox, xine-lib […]

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Arch Linux — openvswitch — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — openvswitch — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202107-40 Related CVEs: CVE-2021-36980 CVE-2020-27827 CVE-2015-8011 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 2.14.2-1. Fixed in: 2.15.1-1. Group: AVG-2177. Table of contents Symptom & Impact Environment & Reproduction […]

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Debian 11 — debian-lan-config — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — debian-lan-config — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-3467 Upstream summary: Debian-edu-config all versions < 2.11.10, a set of configuration files used for Debian Edu, and debian-lan-config < 0.26, configured too permissive ACLs for the Kerberos […]

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

Debian 11 — usbview — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-23220 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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Ubuntu 20.04 — exo — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — exo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 May 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6008-1 Related CVEs: CVE-2022-32278 Upstream summary: It was discovered that Exo did not properly sanitized desktop files. A remote attacker could possibly use this issue to to cause a crash […]

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