Systemd Services

Arch Linux — libxml2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libxml2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • May 1, 2021
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201611-2 Related CVEs: CVE-2016-5131 CVE-2016-4658 CVE-2020-7595 CVE-2020-24977 CVE-2019-20388 CVE-2018-9251 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 2.9.4+4+g3169602-1. Fixed in: 2.9.4+12+ge905f08-1. Group: AVG-56. Table of contents Symptom & Impact […]

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Ubuntu 20.04 — libspf2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libspf2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • May 1, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 1 May 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6584-1 Related CVEs: CVE-2021-20314 CVE-2021-33912 CVE-2021-33913 Upstream summary: Philipp Jeitner and Haya Shulman discovered that Libspf2 incorrectly handled certain inputs. If a user or an automated system were tricked into […]

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

Oracle Linux 8 — grafana security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-4226)

  • April 30, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 30 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4226 Related CVEs: CVE-2021-33195 CVE-2021-34558 CVE-2021-27358 CVE-2021-3114 CVE-2021-33197 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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AlmaLinux 8 — python-lit — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python-lit — vulnerability — patch and remediation guide

  • April 30, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4743 Related CVEs: CVE-2021-42574 Upstream summary: LLVM Toolset provides the LLVM compiler infrastructure framework, the Clang compiler for the C and C++ languages, the LLDB debugger, and related tools for code analysis. […]

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How to Install CockroachDB on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install CockroachDB on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying install cockroachdb on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Install CockroachDB on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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

Oracle Linux 8 — librepo — vulnerability — patch and remediation guide (ELSA-2020-3658)

  • April 30, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 30 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3658 Related CVEs: CVE-2020-14352 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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IBM AIX 7.2 — CVE-2021-29747 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-29747 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 30 April 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-29747, IBM Support Bulletin CVE: CVE-2021-29747 NVD summary: IBM InfoSphere Information Server 11.7 could allow a remote attacker to obtain highly sensitive information due to a vulnerability in the authentication mechanism. IBM […]

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How to Configure Persistent Volumes in Kubernetes on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Persistent Volumes in Kubernetes on Debian 9

  • April 30, 2021
  • Linux
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Introduction This guide explains how to Configure Persistent Volumes in Kubernetes on Debian 9 on Debian 9 Stretch. Debian Stretch 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 9 install with […]

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Gentoo Linux — app-office/mdbtools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-office/mdbtools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • April 30, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202208-12 Related CVEs: CVE-2021-45926 CVE-2021-45927 Upstream summary: Multiple vulnerabilities have been discovered in mdbtools. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

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FreeBSD 13 — fr-netscape — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — fr-netscape — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • April 30, 2021
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 30 April 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: firefox & mozilla — multiple vulnerabilities Related CVEs: CVE-2004-0597 CVE-2004-0598 CVE-2004-0599 CVE-2004-0762 CVE-2004-0765 CVE-2004-0904 CVE-2004-0905 CVE-2004-0908  +12 more Upstream summary: A Mozilla Foundation Security Advisory reports of multiple issues: Heap […]

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