March 2020 - Page 4 of 69

FreeBSD 12 — py35-salt — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py35-salt — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • March 30, 2020
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: salt — multiple vulnerabilities in salt-master process Related CVEs: CVE-2016-1866 CVE-2016-3176 CVE-2017-12791 CVE-2017-14695 CVE-2017-14696 CVE-2018-15750 CVE-2018-15751 CVE-2019-17361  +2 more Upstream summary: F-Secure reports: CVE-2020-11651 – Authentication bypass vulnerabilities The ClearFuncs […]

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Common Problems 115419

RHEL 7 firewalld dropping application traffic after zone change

  • March 30, 2020
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 7 📖 ~2 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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How to Set Up SLES 15 for High-Performance Computing — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up SLES 15 for High-Performance Computing

Introduction This tutorial covers How to Set Up SLES 15 for High-Performance Computing on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper […]

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FreeBSD 12 — fswiki — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — fswiki — vulnerability — patch and remediation guide

  • March 30, 2020
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: fswiki — XSS vulnerability Related CVEs: CVE-2005-1799 Upstream summary: JVN reports: FreeStyleWiki has XSS vulnerability. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Common Problems 114984

RHEL 8 Podman Image Pull Fails With Certificate Errors

  • March 30, 2020
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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Ubuntu 14.04 — spamassassin — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — spamassassin — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • March 30, 2020
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4899-2 Related CVEs: CVE-2020-1946 CVE-2020-1930 CVE-2020-1931 CVE-2018-11805 CVE-2019-12420 CVE-2017-15705 CVE-2018-11780 CVE-2018-11781 Upstream summary: USN-4899-1 fixed a vulnerability in SpamAssassin. This update provides the corresponding update for Ubuntu 14.04 ESM. Original […]

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SLES 15 — memcached — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — memcached — multiple vulnerabilities (14 CVEs) — patch and remediation guide

  • March 30, 2020
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-RU-2020:2072-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-11596 CVE-2009-1494 CVE-2011-4971 CVE-2013-7239 CVE-2016-8704 CVE-2016-8705 CVE-2016-8706 CVE-2017-9951  +6 more Upstream summary: In memcached before 1.5.14, a NULL pointer dereference was found in the "lru […]

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Top 10 Linux Easter Eggs — step-by-step Linux tutorial on Progressive Robot

Top 10 Linux Easter Eggs

  • March 30, 2020
  • Linux
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Linux can be hard work. This article was made to show the other side of Linux, where things don’t have to be so serious all of the time. Many of the people who contribute to open source projects have a great sense of humor.

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How to Configure Docker with a Non-Root User on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Docker with a Non-Root User on Debian 10

  • March 30, 2020
  • Linux
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Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up configure docker with a non-root user on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step […]

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SLES 15 — wicked — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — wicked — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • March 30, 2020
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2020:800-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-18902 CVE-2019-18903 CVE-2020-7216 CVE-2020-7217 Upstream summary: A Use After Free vulnerability in wicked of SUSE Linux Enterprise Server 12, SUSE Linux Enterprise Server 15; openSUSE […]

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