Linux

AlmaLinux 8 — device-mapper-multipath — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — device-mapper-multipath — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • June 19, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:7928 Related CVEs: CVE-2022-3787 CVE-2022-41974 CVE-2022-41973 Upstream summary: The device-mapper-multipath packages provide tools that use the device-mapper multipath kernel module to manage multipath devices. Security Fix(es): * device-mapper-multipath: Regression of CVE-2022-41974 fix […]

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Ubuntu 20.04 — pdns-recursor — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — pdns-recursor — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • June 19, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 19 June 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7203-1 Related CVEs: CVE-2018-1046 CVE-2018-10851 CVE-2018-14626 CVE-2018-14644 CVE-2020-17482 CVE-2022-27227 Upstream summary: Wei Hao discovered that PowerDNS Authoritative Server incorrectly handled memory when accessing certain files. An attacker could possibly use […]

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Ubuntu 22.04 — ruby-nokogiri — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — ruby-nokogiri — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • June 19, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 19 June 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7659-1 Related CVEs: CVE-2022-29181 CVE-2022-40303 CVE-2020-26247 Upstream summary: It was discovered Nokogiri did not correctly parse XML Schemas. If a user or automated system were tricked into opening a specially […]

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Gentoo Linux — dev-lang/nasm — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-lang/nasm — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • June 19, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202312-09 Related CVEs: CVE-2019-8343 CVE-2020-21528 CVE-2022-44370 Upstream summary: Multiple vulnerabilities have been discovered in NASM. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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Ubuntu 18.04 — libsdl1.2 — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libsdl1.2 — multiple vulnerabilities (13 CVEs) — patch and remediation guide

  • June 19, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 19 June 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5398-1 Related CVEs: CVE-2021-33657 CVE-2019-13616 CVE-2019-7572 CVE-2019-7573 CVE-2019-7574 CVE-2019-7575 CVE-2019-7576 CVE-2019-7577  +5 more Upstream summary: It was discovered that SDL (Simple DirectMedia Layer) incorrectly handled certain files. An attacker could […]

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Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2021-9363)

  • June 19, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 19 June 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9363 Related CVEs: CVE-2021-31829 CVE-2020-25671 CVE-2021-29155 CVE-2020-25670 CVE-2021-33033 CVE-2021-33034 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Install Docker Engine on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Docker Engine on Debian 11

  • June 19, 2022
  • Linux
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Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up install docker engine on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully and the […]

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Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-1566)

  • June 18, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 18 June 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-1566 Related CVEs: CVE-2023-0386 CVE-2023-0266 CVE-2022-4269 CVE-2022-4378 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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AlmaLinux 8 — directory-maven-plugin — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — directory-maven-plugin — vulnerability — patch and remediation guide

  • June 18, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4329 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Install Jenkins on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Jenkins on RHEL 9

  • June 18, 2022
  • Linux
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Jenkins is the most widely adopted open-source CI/CD automation server, used to build, test, and deploy software across thousands of organisations. It provides a large plugin ecosystem (1,800+ plugins) for integrating with virtually every version control system, build tool, test framework, and deployment target. Jenkins on RHEL 9 is typically deployed as a system service […]

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