Linux

Ubuntu 14.04 — amanda — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — amanda — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • September 24, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 September 2022 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5966-2 Related CVEs: https://launchpad.net/bugs/2012536 CVE-2022-37703 CVE-2022-37704 CVE-2022-37705 Upstream summary: USN-5966-1 fixed vulnerabilities in amanda. Unfortunately it introduced a regression in GNUTAR-based backups. This update reverts all of the changes in […]

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Gentoo Linux — xfce-base/xfce4-settings — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — xfce-base/xfce4-settings — vulnerability — patch and remediation guide

  • September 24, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202305-05 Related CVEs: CVE-2022-45062 Upstream summary: xfce4-settings does not sufficiently sanitize URLs opened via xdg4-mime-helper-tool (which is called when a user clicks a link in e.g. Firefox). Table of contents Symptom & […]

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Debian 11 — wolfssl — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — wolfssl — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • September 24, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 24 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-2901 CVE-2014-2902 CVE-2014-2903 CVE-2014-2904 CVE-2014-3566 CVE-2015-6925 CVE-2015-7744 CVE-2016-7438  +12 more Upstream summary: wolfssl before 3.2.0 does not properly issue certificates for a server's hostname. Table of contents Symptom […]

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Oracle Linux 9 — gcc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — gcc — vulnerability — patch and remediation guide (ELSA-2025-1346)

  • September 24, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 September 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-1346 Related CVEs: CVE-2020-11023 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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openSUSE Tumbleweed — log4j12 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — log4j12 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • September 24, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:0038-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-23305 CVE-2022-23307 CVE-2022-23302 CVE-2017-5645 Upstream summary: By design, the JDBCAppender in Log4j 1.2.x accepts an SQL statement as a configuration parameter where the values to […]

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How to Install and Configure VNC on Debian 11 — step-by-step Linux tutorial on Progressive Robot

How to Install and Configure VNC on Debian 11

  • September 24, 2022
  • Linux
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Virtual Network Computing, or VNC, is a connection system that allows you to use your keyboard and mouse to interact with a graphical desktop environment on a remote server. It makes managing files, software, and settings on a remote server easier for users who are not yet…

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How to Monitor Kubernetes with Prometheus and Grafana on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Monitor Kubernetes with Prometheus and Grafana on RHEL 8

  • September 24, 2022
  • Linux
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Prometheus and Grafana are the de facto standard observability stack for Kubernetes, providing metrics collection, long-term storage, alerting, and rich dashboarding in a single integrated solution. The kube-prometheus-stack Helm chart bundles Prometheus, Grafana, Alertmanager, and a comprehensive set of pre-built Kubernetes dashboards and alert rules into a single deployment that takes minutes to install. This […]

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Common Problems 120675

Debian 11 TLS Handshake Failures to Repository or API Endpoints

  • September 23, 2022
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 23 September 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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Common Problems 116928

Ubuntu 22.04 LTS – apt update reports release file changed – Fix & Prevention

  • September 23, 2022
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 23 September 2022 Affected versions: Ubuntu 22.04 LTS (Jammy) 📖 ~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 […]

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Debian 11 — deluge — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — deluge — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • September 23, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 23 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-7178 CVE-2017-9031 CVE-2021-3427 Upstream summary: CSRF was discovered in the web UI in Deluge before 1.3.14. The exploitation methodology involves (1) hosting a crafted plugin that executes an […]

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