Linux

openSUSE Tumbleweed — liblouis20 — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — liblouis20 — multiple vulnerabilities (14 CVEs) — patch and remediation guide

  • August 14, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:1824-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-26768 CVE-2023-26769 CVE-2023-26767 CVE-2022-26981 CVE-2022-31783 CVE-2017-13738 CVE-2017-13739 CVE-2017-13741  +6 more Upstream summary: Buffer Overflow vulnerability found in Liblouis v.3.24.0 allows a remote attacker to cause […]

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Debian 12 — flatpak — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — flatpak — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • August 14, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 14 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-9780 CVE-2018-6560 CVE-2019-10063 CVE-2019-8308 CVE-2021-21261 CVE-2021-21381 CVE-2021-41133 CVE-2021-43860  +7 more Upstream summary: In Flatpak before 0.8.7, a third-party app repository could include malicious apps that contain files with […]

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Ubuntu 22.04 — graphviz — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — graphviz — vulnerability — patch and remediation guide

  • August 14, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 14 August 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6708-1 Related CVEs: CVE-2023-46045 Upstream summary: It was discovered that Graphviz incorrectly handled certain config6a files. An attacker could possibly use this issue to cause a denial of service. Table […]

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Ubuntu 22.04 — linux-oem-6.1 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-oem-6.1 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • August 14, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 14 August 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6706-1 Related CVEs: CVE-2023-6039 CVE-2023-46838 CVE-2023-50431 CVE-2023-52436 CVE-2023-52438 CVE-2023-52439 CVE-2023-52443 CVE-2023-52444  +12 more Upstream summary: It was discovered that the Microchip USB Ethernet driver in the Linux kernel contained a […]

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

Oracle Linux 9 — ncurses — vulnerability — patch and remediation guide (ELSA-2025-12876)

  • August 14, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 14 August 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-12876 Related CVEs: CVE-2022-29458 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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How to Perform a CIS Benchmark Audit on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Perform a CIS Benchmark Audit on Debian 12

  • August 14, 2023
  • Linux
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Introduction This guide explains how to Perform a CIS Benchmark Audit on Debian 12 on Debian 12 Bookworm. Debian Bookworm uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 12 install with […]

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Common Problems 120086

Debian 12 mdadm RAID Array Degraded After Drive Failure

  • August 14, 2023
  • Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 14 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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Oracle Linux 9 — c-ares security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — c-ares security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-6635)

  • August 13, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 13 August 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6635 Related CVEs: CVE-2022-4904 CVE-2023-31130 CVE-2023-31147 CVE-2023-31124 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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How to Perform a CIS Benchmark Audit on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Perform a CIS Benchmark Audit on CentOS Stream 9

  • August 13, 2023
  • CentOS
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Introduction Setting up perform a cis benchmark audit on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Perform a CIS Benchmark Audit on CentOS Stream 9, with all the commands you need, the SELinux and firewalld […]

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