Linux

Ubuntu 20.04 — nvidia-graphics-drivers-450-server — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — nvidia-graphics-drivers-450-server — multiple vulnerabilities (12 CVEs) — patch and remediation guide

  • June 22, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 22 June 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5547-1 Related CVEs: CVE-2022-31607 CVE-2022-31608 CVE-2022-31615 CVE-2022-21813 CVE-2022-21814 CVE-2021-1093 CVE-2021-1094 CVE-2021-1095  +4 more Upstream summary: Le Wu discovered that the NVIDIA graphics drivers did not properly perform input validation in […]

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Ubuntu 22.04 — jhead — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — jhead — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • June 22, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 22 June 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6110-1 Related CVEs: CVE-2021-28275 CVE-2021-28277 CVE-2021-3496 https://launchpad.net/bugs/2020068 CVE-2021-34055 CVE-2022-41751 Upstream summary: It was discovered that Jhead did not properly handle certain crafted Canon images when processing them. An attacker could […]

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CentOS Stream 9 — libguestfs-winsupport — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — libguestfs-winsupport — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • June 22, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 22 June 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:2179 Related CVEs: CVE-2021-46790 CVE-2022-30784 CVE-2022-30786 CVE-2022-30788 CVE-2022-30789 CVE-2022-40284 Upstream summary: The libguestfs-winsupport package adds support for Windows guests to libguestfs, a set of tools and libraries allowing users to access […]

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Oracle Linux 9 — python-urllib3 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python-urllib3 — vulnerability — patch and remediation guide (ELSA-2024-0464)

  • June 22, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 22 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-0464 Related CVEs: CVE-2023-45803 CVE-2023-43804 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Oracle Linux 8 — grub2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — grub2 — vulnerability — patch and remediation guide (ELSA-2023-0049)

  • June 22, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 22 June 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0049 Related CVEs: CVE-2022-2601 CVE-2022-3775 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Oracle Linux 9 — gcc-toolset-14-gcc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — gcc-toolset-14-gcc — vulnerability — patch and remediation guide (ELSA-2025-1300)

  • June 22, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 22 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-1300 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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Oracle Linux 8 — git — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — git — vulnerability — patch and remediation guide (ELSA-2023-3246)

  • June 22, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 22 June 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3246 Related CVEs: CVE-2023-22490 CVE-2023-23946 CVE-2023-29007 CVE-2023-25652 CVE-2023-25815 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide

  • June 22, 2023
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 22 June 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4769 Related CVEs: CVE-2022-1529 CVE-2022-1802 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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

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

  • June 22, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 22 June 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0129 CVE-2004-1055 CVE-2004-1147 CVE-2004-1148 CVE-2004-2630 CVE-2004-2631 CVE-2004-2632 CVE-2005-0459  +12 more Upstream summary: Directory traversal vulnerability in export.php in phpMyAdmin 2.5.5 and earlier allows remote attackers to read arbitrary […]

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How to Set Up Unbound DNS Resolver on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up Unbound DNS Resolver on Debian 12

  • June 21, 2023
  • Linux
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Introduction This guide explains how to Set Up Unbound DNS Resolver 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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