chris

openSUSE Tumbleweed — jackson-dataformat-cbor — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — jackson-dataformat-cbor — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:1678-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-28491 Upstream summary: This affects the package com.fasterxml.jackson.dataformat:jackson-dataformat-cbor from 0 and before 2.11.4, from 2.12.0-rc1 and before 2.12.1. Unchecked allocation of byte buffer can cause […]

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SLES 15 — ipmitool — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — ipmitool — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 May 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:0405-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-5208 Upstream summary: It's been found that multiple functions in ipmitool before 1.8.19 neglect proper checking of the data received from a remote LAN party, […]

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Arch Linux — sudo — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — sudo — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202101-25 Related CVEs: CVE-2021-3156 CVE-2021-23239 CVE-2019-18634 CVE-2019-14287 CVE-2017-1000367 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 1.9.4.p2-2. Fixed in: 1.9.5.p2-1. Group: AVG-1431. Table of contents Symptom & Impact Environment & […]

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FreeBSD 13 — xen-kernel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — xen-kernel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xen-kernel — multiple vulnerabilities Related CVEs: CVE-2015-0268 CVE-2015-1563 CVE-2015-2044 CVE-2015-2045 CVE-2015-2151 CVE-2015-2751 CVE-2015-2752 CVE-2015-3340  +12 more Upstream summary: The Xen project reports multiple vulnerabilities. Table of contents Symptom & Impact […]

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Oracle Linux 8 — samba security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — samba security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-7139)

🟡 Medium   ⏱ 10–30 min  Last verified: 13 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7139 Related CVEs: CVE-2023-34968 CVE-2023-34967 CVE-2023-34966 CVE-2022-2127 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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AlmaLinux 8 — spacewalk-remote-utils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — spacewalk-remote-utils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2019:3355 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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K-Nearest Neighbors (KNN) in Python — step-by-step Python tutorial on Progressive Robot

K-Nearest Neighbors (KNN) in Python

URL: https://www.progressiverobot.com/k-nearest-neighbors-knn-in-python/ K-nearest neighbors (kNN) is a [supervised machine learning](/community/tutorials/supervised-machine-learning) technique that may be used to handle both classification and regression tasks. I regard KNN as an algorithm that originates from actual life. People tend to be impacted by the people around them. The Idea Behind K-Nearest Neighbours Algorithm Our behavior is shaped by the […]

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How to Configure SSH Key Authentication on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure SSH Key Authentication on Oracle Linux 8

Introduction This tutorial demonstrates how to Configure SSH Key Authentication on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the […]

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