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Ubuntu 18.04 — linux-hwe — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-hwe — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • October 29, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 29 October 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5014-1 Related CVEs: CVE-2021-33909 CVE-2021-3609 https://launchpad.net/bugs/1924611 CVE-2021-29154 CVE-2021-3492 CVE-2021-3493 CVE-2020-27170 CVE-2020-27171  +12 more Upstream summary: It was discovered that the virtual file system implementation in the Linux kernel contained an […]

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SLES 15 — clone-master-clean-up — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — clone-master-clean-up — vulnerability — patch and remediation guide

  • October 29, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 29 October 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3667-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-32000 Upstream summary: A UNIX Symbolic Link (Symlink) Following vulnerability in the clone-master-clean-up.sh script of clone-master-clean-up in SUSE Linux Enterprise Server 12 SP3, SUSE Linux […]

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Debian 10 — ruby-kramdown — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — ruby-kramdown — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • October 29, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 29 October 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-14001 CVE-2021-28834 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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Alpine Linux edge — gegl — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — gegl — vulnerability — patch and remediation guide

  • October 29, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.4.34-r0 📖 ~4 min read  •  Source: Alpine secdb entry — gegl 0.4.34-r0 Related CVEs: CVE-2021-45463 Upstream summary: Alpine community repository for vedge ships gegl 0.4.34-r0 which addresses CVE-2021-45463. Table of contents Symptom & Impact Environment […]

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How to Set Up Active Directory Domain Services on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Active Directory Domain Services on Windows Server 2019

How to Set Up Active Directory Domain Services on Windows Server 2019 Active Directory Domain Services (AD DS) is the cornerstone of Windows enterprise identity management. It provides centralized authentication and authorization using Kerberos and LDAP, enables Group Policy for configuration management, and creates a hierarchical structure of domains, trees, and forests. This guide walks […]

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FreeBSD 13 — percona57-client — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — percona57-client — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • October 28, 2021
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 28 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL Client — Multiple vulerabilities Related CVEs: CVE-2020-2752 CVE-2020-2875 CVE-2020-2922 CVE-2020-2933 CVE-2020-2934 Upstream summary: Oracle reports: This Critical Patch Update contains 45 new security patches for Oracle MySQL. 9 of […]

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

Oracle Linux 8 — yum security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2019-3583)

  • October 28, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 28 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3583 Related CVEs: CVE-2018-20534 CVE-2019-3817 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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How to Set Up ZFS Send and Receive on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up ZFS Send and Receive on FreeBSD 13

  • October 28, 2021
  • FreeBSD
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Introduction Deploying set up zfs send and receive on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within […]

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FreeBSD 13 — liveMedia — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — liveMedia — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • October 28, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 28 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: liveMedia — potential remote code execution Related CVEs: CVE-2007-6036 CVE-2018-4013 Upstream summary: Talos reports: An exploitable code execution vulnerability exists in the HTTP packet-parsing functionality of the LIVE555 RTSP server […]

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