Operations

Ubuntu 20.04 — libxstream-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libxstream-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • February 24, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 24 February 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5946-1 Related CVEs: CVE-2021-39139 CVE-2021-39140 CVE-2021-39141 CVE-2021-39144 CVE-2021-39145 CVE-2021-39146 CVE-2021-39147 CVE-2021-39148  +12 more Upstream summary: Lai Han discovered that XStream incorrectly handled certain inputs. If a user or an automated […]

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Ubuntu 20.04 — backport-iwlwifi-dkms — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — backport-iwlwifi-dkms — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • February 24, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 February 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5708-1 Related CVEs: CVE-2022-41674 CVE-2022-42719 CVE-2022-42720 CVE-2022-42721 CVE-2022-42722 https://launchpad.net/bugs/1994525 Upstream summary: Sönke Huster discovered that an integer overflow vulnerability existed in the WiFi driver stack in the Linux kernel, leading […]

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CentOS Stream 9 — zlib — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — zlib — vulnerability — patch and remediation guide

  • February 24, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 February 2022 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2022:7314 Related CVEs: CVE-2022-37434 Upstream summary: The zlib packages provide a general-purpose lossless data compression library that is used by many different programs. Security Fix(es): * zlib: a heap-based buffer over-read […]

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openSUSE Tumbleweed — amazon-ssm-agent — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — amazon-ssm-agent — vulnerability — patch and remediation guide

  • February 24, 2022
  • 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-2022:1510-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-29527 Upstream summary: Amazon AWS amazon-ssm-agent before 3.1.1208.0 creates a world-writable sudoers file, which allows local attackers to inject Sudo rules and escalate privileges to […]

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How to Set Up Network File System (NFS) Server on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Network File System (NFS) Server on Windows Server 2019

Introduction to NFS Server on Windows Server 2019 Network File System (NFS) is a distributed file protocol that allows clients — primarily Linux and Unix systems — to mount and access shared directories over a network as if they were local drives. Windows Server 2019 includes both an NFS server (Server for NFS) and an […]

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Debian 10 — intel-microcode — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — intel-microcode — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • February 24, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 February 2022 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-11135 CVE-2019-14607 CVE-2020-0543 CVE-2020-24489 CVE-2022-21123 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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How to Set Up a Docker Swarm Cluster on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up a Docker Swarm Cluster on CentOS Stream 9

  • February 23, 2022
  • CentOS
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Introduction Setting up set up a docker swarm cluster 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 Set Up a Docker Swarm Cluster on CentOS Stream 9, with all the commands you need, the SELinux […]

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FreeBSD 12 — py310-cinder — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py310-cinder — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • February 23, 2022
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 23 February 2022 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-cinder — unauthorized data access Related CVEs: CVE-2014-3641 CVE-2022-47951 Upstream summary: Utkarsh Gupta reports: An issue was discovered in OpenStack Cinder before 19.1.2, 20.x before 20.0.2, and 21.0.0; Glance before […]

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FreeBSD 13 — mercurial — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mercurial — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • February 23, 2022
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 23 February 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mercurial — multiple issues Related CVEs: CVE-2016-3068 CVE-2016-3069 CVE-2016-3105 CVE-2016-3630 CVE-2017-1000115 CVE-2017-1000116 Upstream summary: mercurial developers reports: Mercurial prior to version 4.3 is vulnerable to a missing symlink check that […]

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AlmaLinux 8 — oscap-anaconda-addon — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — oscap-anaconda-addon — vulnerability — patch and remediation guide

  • February 23, 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-2022:1942 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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