Linux

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

Oracle Linux 9 — ruby — vulnerability — patch and remediation guide (ELSA-2024-10858)

🟠 High   ⏱ 15–60 min  Last verified: 28 January 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-10858 Related CVEs: CVE-2024-49761 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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openSUSE Tumbleweed — liboqs7 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — liboqs7 — 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-2025:0005-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-54137 Upstream summary: liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. A correctness error has been identified in the reference […]

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Oracle Linux 8 — nodejs:20 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nodejs:20 — vulnerability — patch and remediation guide (ELSA-2025-8514)

🟠 High   ⏱ 15–60 min  Last verified: 28 January 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-8514 Related CVEs: CVE-2025-23166 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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Alpine Linux 3.19 — py3-bleach — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — py3-bleach — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 3.3.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-bleach 3.3.0-r0 Related CVEs: CVE-2021-23980 CVE-2020-6816 CVE-2020-6802 Upstream summary: Alpine community repository for vv3.19 ships py3-bleach 3.3.0-r0 which addresses CVE-2021-23980. Table of contents Symptom & […]

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How to Set Up a Ceph Storage Cluster on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up a Ceph Storage Cluster on RHEL 9

Ceph is a highly scalable, self-healing distributed storage platform that provides object, block, and file storage from a single cluster. On RHEL 9, cephadm is the recommended deployment tool for the Reef release, using containers and SSH to bootstrap and manage cluster daemons without manual RPM installations. This tutorial covers deploying a basic Ceph cluster […]

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SLES 15 — kubevirt-virtctl — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — kubevirt-virtctl — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 January 2025 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:4330-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-64324 CVE-2023-26484 CVE-2022-1798 CVE-2025-64432 CVE-2025-64433 CVE-2025-64434 CVE-2025-64435 CVE-2024-33394  +1 more Upstream summary: KubeVirt is a virtual machine management add-on for Kubernetes. The `hostDisk` feature in […]

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openSUSE Leap 15.6 — python3-xhtml2pdf — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — python3-xhtml2pdf — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:14601-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-25885 Upstream summary: An issue in the getcolor function in utils.py of xhtml2pdf v0.2.13 allows attackers to cause a Regular expression Denial of Service […]

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How to Configure BGP Routing with FRRouting on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Configure BGP Routing with FRRouting on CentOS Stream 10

Introduction This tutorial demonstrates how to Configure BGP Routing with FRRouting on CentOS Stream 10 on CentOS Stream 10. 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 CentOS Stream 10 system with […]

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Debian 12 — olm — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — olm — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 January 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-34813 CVE-2021-44538 CVE-2024-45191 CVE-2024-45192 CVE-2024-45193 Upstream summary: Matrix libolm before 3.2.3 allows a malicious Matrix homeserver to crash a client (while it is attempting to retrieve an Olm […]

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Debian 11 — webpy — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — webpy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-3818 Upstream summary: A vulnerability, which was classified as critical, was found in webpy web.py 0.70. Affected is the function PostgresDB._process_insert_query of the file web/db.py. The manipulation of […]

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