Troubleshooting

Amazon Linux 2 — p11-kit — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — p11-kit — 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 ALAS2-2021-1601 Related CVEs: CVE-2020-29361 CVE-2020-29362 CVE-2020-29363 Upstream summary: An issue was discovered in p11-kit 0.21.1 through 0.23.21. Multiple integer overflows have been discovered in the array allocations in the p11-kit […]

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Ubuntu 16.04 — libsdl2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libsdl2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 July 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4143-1 Related CVEs: CVE-2017-2888 CVE-2019-7635 CVE-2019-7636 CVE-2019-7637 CVE-2019-7638 Upstream summary: It was discovered that SDL 2.0 mishandled crafted image files resulting in an integer overflow. If a user were tricked […]

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How to Configure NUMA Architecture on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure NUMA Architecture on SLES 12

Introduction This tutorial covers How to Configure NUMA Architecture 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. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh […]

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SLES 15 — python-azure-agent — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python-azure-agent — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 July 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:0603-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-0804 Upstream summary: An information disclosure vulnerability exists in the way Azure WaLinuxAgent creates swap files on resource disks, aka 'Azure Linux Agent Information Disclosure […]

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Oracle Linux 8 — cpio — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — cpio — vulnerability — patch and remediation guide (ELSA-2021-1582)

🟡 Medium   ⏱ 10–30 min  Last verified: 6 July 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1582 Related CVEs: CVE-2019-14866 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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How to Configure Drone CI on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure Drone CI on SLES 15

Introduction This tutorial covers How to Configure Drone CI 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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IBM AIX 7.2 — CVE-2020-4937 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2020-4937 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 6 July 2020 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2020-4937, IBM Support Bulletin CVE: CVE-2020-4937 NVD summary: IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 6.0.3.2 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive […]

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Gentoo Linux — media-libs/freeimage — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-libs/freeimage — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202107-02 Related CVEs: CVE-2019-12211 CVE-2019-12213 Upstream summary: Multiple vulnerabilities have been discovered in FreeImage. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

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Oracle Linux 8 — ELSA-2020-5624-1: thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ELSA-2020-5624-1: thunderbird — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 July 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-5624-1 Related CVEs: CVE-2020-26974 CVE-2020-16042 CVE-2020-26971 CVE-2020-35113 CVE-2020-35111 CVE-2020-26973 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Set Up IPv6 on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up IPv6 on Debian 10

Introduction Deploying set up ipv6 on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will need […]

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