Package Management

SLES 12 — cryptctl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — cryptctl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 27 January 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:2136-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-18906 CVE-2017-9270 Upstream summary: A Improper Authentication vulnerability in cryptctl of SUSE Linux Enterprise Server for SAP 12-SP5, SUSE Manager Server 4.0 allows attackers with […]

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Common Problems 115518

RHEL 7 NTP Drift Causes Yum TLS Certificate Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 26 January 2020 📖 ~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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FreeBSD 12 — tor-devel — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — tor-devel — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: tor — security regression Related CVEs: CVE-2009-0414 CVE-2009-0936 CVE-2009-0937 CVE-2009-0938 CVE-2010-1676 CVE-2011-0427 CVE-2014-5117 CVE-2017-0377 Upstream summary: The Tor Project reports: Tor 0.3.0.9 fixes a path selection bug that would allow […]

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How to Set Up Consul on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up Consul on SLES 15

Introduction This tutorial covers How to Set Up Consul on SLES 15 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 refresh […]

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Ubuntu 14.04 — software-properties — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — software-properties — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 January 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4457-2 Related CVEs: CVE-2020-15709 Upstream summary: USN-4457-1 fixed a vulnerability in Software. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Jason A. Donenfeld discovered that […]

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How to Configure DISA STIG for AIX on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure DISA STIG for AIX on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure disa stig for aix on ibm aix 7.2 […]

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How to Install PHP 8.2 on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install PHP 8.2 on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install php 8.2 on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]

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

Ubuntu 18.04 — libmodbus — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 January 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5173-1 Related CVEs: CVE-2019-14462 CVE-2019-14463 Upstream summary: It was discovered that libmodbus incorrectly handled inputs. An attacker could possibly use this issue to cause a denial of service or other […]

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How to Create and Manage LPARs on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Create and Manage LPARs on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to create and manage lpars on ibm aix 7.2 on […]

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Oracle Linux 8 — gcc-toolset-14-gcc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — gcc-toolset-14-gcc — vulnerability — patch and remediation guide (ELSA-2025-1338)

🟡 Medium   ⏱ 10–30 min  Last verified: 26 January 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-1338 Related CVEs: CVE-2020-11023 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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