Fix Prevention

How to Set Up a DHCP Server with ISC DHCP on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up a DHCP Server with ISC DHCP on RHEL 8

A DHCP server automates IP address assignment across your network, eliminating manual configuration errors and centralizing address management. ISC DHCP (provided by the dhcp-server package on RHEL 8) is the most widely deployed open-source DHCP implementation and supports dynamic address pools, static reservations, vendor class options, and failover pairing. This tutorial walks through installing and […]

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Amazon Linux 2 — libmspack — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — libmspack — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1310 Related CVEs: CVE-2018-18584 CVE-2018-18585 CVE-2019-1010305 CVE-2018-14679 CVE-2018-14680 CVE-2018-14681 CVE-2018-14682 Upstream summary: In mspack/cab.h in libmspack before 0.8alpha and cabextract before 1.8, the CAB block input buffer is one byte […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 16 June 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:723-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-17833 CVE-2010-3609 CVE-2016-4912 CVE-2016-7567 Upstream summary: OpenSLP releases in the 1.0.2 and 1.1.0 code streams have a heap-related memory corruption issue which may manifest itself […]

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SLES 12 — libqt5-qtimageformats — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libqt5-qtimageformats — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 June 2019 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:0705-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-19871 Upstream summary: An issue was discovered in Qt before 5.11.3. There is QTgaFile Uncontrolled Resource Consumption. Table of contents Symptom & Impact Environment & […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 16 June 2019 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2018:0983-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-9838 CVE-2015-8869 Upstream summary: The caml_ba_deserialize function in byterun/bigarray.c in the standard library in OCaml 4.06.0 has an integer overflow which, in situations where marshalled […]

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Amazon Linux 2 — tcpdump — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — tcpdump — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2119 Related CVEs: CVE-2018-14463 CVE-2019-15167 CVE-2018-19519 Upstream summary: The VRRP parser in tcpdump before 4.9.3 has a buffer over-read in print-vrrp.c:vrrp_print() for VRRP version 3, a different vulnerability than CVE-2018-14463. […]

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Common Problems 117976

Ubuntu 18.04 LTS – initramfs drops to BusyBox with UUID not found – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 15 June 2019 Affected versions: Ubuntu 18.04 LTS 📖 ~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 […]

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How to Configure IBM PowerVM Hypervisor on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure IBM PowerVM Hypervisor on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure ibm powervm hypervisor on ibm aix 7.1 on […]

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

FreeBSD 12 — cinepaint — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 June 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dcraw — integer overflow condition Related CVEs: CVE-2015-3885 Upstream summary: ocert reports: The dcraw tool, as well as several other projects re-using its code, suffers from an integer overflow condition […]

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How to Configure Resource Limits in Kubernetes on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Resource Limits in Kubernetes on SLES 12

Introduction This tutorial covers How to Configure Resource Limits in Kubernetes on SLES 12 on SLES 12. SLES 12 (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. Step 1 — Disable Swap swapoff -a sed -i ‘/ […]

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