Security Hardening

How to Install Ceph Storage Cluster on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Ceph Storage Cluster on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying install ceph storage cluster both straightforward and auditable. This tutorial covers the complete procedure for how to Install Ceph Storage Cluster on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites The […]

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NetBSD 10.0 — postgresql84-plperl — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — postgresql84-plperl — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2010-3433 Upstream summary: pkgsrc audit-packages flagged postgresql84-plperl<8.4.5 for vulnerability class 'privilege-escalation'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-3433 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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AlmaLinux 9 — flatpak — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — flatpak — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:9449 Related CVEs: CVE-2024-42472 CVE-2024-32462 CVE-2023-28100 CVE-2023-28101 Upstream summary: Bubblewrap (/usr/bin/bwrap) is a core execution engine for unprivileged containers that works as a setuid binary on kernels without user namespaces. Security Fix(es): […]

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AlmaLinux 9 — runc — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — runc — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:3291 Related CVEs: CVE-2025-61726 CVE-2025-61729 CVE-2025-68121 CVE-2025-31133 CVE-2025-52565 CVE-2025-52881 CVE-2024-1394 CVE-2024-21626  +12 more Upstream summary: The runC tool is a lightweight, portable implementation of the Open Container Format (OCF) that provides container […]

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Common Problems 114531

DNF Module Stream Conflict During Install

🟡 Medium   ⏱ 5–30 min  Last verified: 9 July 2025 📖 ~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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Amazon Linux 2023 — kernel-livepatch-6.12.40-63.114 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.12.40-63.114 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023LIVEPATCH-2025-106 Related CVEs: CVE-2025-39677 CVE-2025-39923 CVE-2025-39955 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix backlog accounting in qdisc_dequeue_internal (CVE-2025-39677) In the Linux kernel, the […]

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AlmaLinux 8 — python2-pip — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python2-pip — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:5994 Related CVEs: CVE-2023-40217 CVE-2023-24329 CVE-2022-40897 CVE-2022-48560 CVE-2022-48565 CVE-2023-43804 CVE-2024-22195 CVE-2023-32681  +7 more Upstream summary: Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, […]

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IBM AIX 7.1 — CVE-2024-52905 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2024-52905 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 10–30 min  Last verified: 9 July 2025 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2024-52905, IBM Support Bulletin CVE: CVE-2024-52905 NVD summary: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.1.2.6 and 6.2.0.0 through 6.2.0.3 could disclose sensitive database information to a privileged user. References: www.ibm.com/support/pages/node/7185264 […]

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AlmaLinux 8 — java-11-openjdk — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — java-11-openjdk — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:4567 Related CVEs: CVE-2024-21131 CVE-2024-21138 CVE-2024-21140 CVE-2024-21144 CVE-2024-21145 CVE-2024-21147 CVE-2023-21930 CVE-2023-21937  +12 more Upstream summary: The java-11-openjdk packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development […]

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AlmaLinux 8 — maven-shared-utils — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — maven-shared-utils — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:9318 Related CVEs: CVE-2019-10086 CVE-2025-48734 CVE-2022-29599 CVE-2020-13956 Upstream summary: The javapackages-tools packages provide macros and scripts to support Java packaging. Security Fix(es): * apache-commons-beanutils: does not suppresses the class property in PropertyUtilsBean […]

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CHAT