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FreeBSD 13 — py310-slixmpp — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py310-slixmpp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 May 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Slixmpp — Lack of SSL Certificate hostname validation in XMLStream Related CVEs: CVE-2022-45197 Upstream summary: NIST reports: Slixmpp before 1.8.3 lacks SSL Certificate hostname validation in XMLStream, allowing an attacker […]

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How to Configure pfsync Firewall State Synchronization on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure pfsync Firewall State Synchronization on FreeBSD 12

Introduction This guide explains how to Configure pfsync Firewall State Synchronization on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 19 May 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:796-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-3650 CVE-2022-0670 CVE-2022-3854 CVE-2021-3979 Upstream summary: A privilege escalation flaw was found in Ceph. Ceph-crash.service allows a local attacker to escalate privileges to root in […]

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Oracle Linux 9 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel — vulnerability — patch and remediation guide (ELSA-2024-0461)

🟠 High   ⏱ 15–60 min  Last verified: 19 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-0461 Related CVEs: CVE-2023-2166 CVE-2023-5633 CVE-2023-3777 CVE-2023-6679 CVE-2023-46813 CVE-2023-4622 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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openSUSE Tumbleweed — python39-Flask — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python39-Flask — 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-CU-2023:1835-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-30861 Upstream summary: Flask is a lightweight WSGI web application framework. When all of the following conditions are met, a response containing data intended for […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2022-10078)

🟠 High   ⏱ 15–60 min  Last verified: 19 May 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-10078 Related CVEs: CVE-2022-4378 CVE-2022-1184 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How to Set Up Windows Server 2022 GRE Tunnelling — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Server 2022 GRE Tunnelling

Introduction to BitLocker with TPM on Windows Server 2022 BitLocker Drive Encryption is a full-volume encryption feature built into Windows Server 2022 that protects data at rest by encrypting entire volumes using AES encryption. When combined with a Trusted Platform Module (TPM) chip, BitLocker provides hardware-backed key protection that ensures the encryption keys are only […]

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Oracle Linux 9 — kernel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel — security and stability fixes — required update (ELSA-2024-4349)

🟡 Medium   ⏱ 10–30 min  Last verified: 18 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-4349 Related CVEs: CVE-2024-27393 CVE-2024-35870 CVE-2023-52626 CVE-2024-26801 CVE-2024-26974 CVE-2024-35960 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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AlmaLinux 8 — resteasy — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — resteasy — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:4367 Related CVEs: CVE-2023-4727 Upstream summary: The Public Key Infrastructure (PKI) Core contains fundamental packages required by AlmaLinux Certificate System. Security Fix(es): * dogtag ca: token authentication bypass vulnerability (CVE-2023-4727) For more […]

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Common Problems 117476

Ubuntu 20.04 Bluetooth Not Discovering Devices

🟡 Medium   ⏱ 5–30 min  Last verified: 18 May 2023 📖 ~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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