Linux

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50261)

• March 10, 2025
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 10 March 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50261 Related CVEs: CVE-2024-50043 CVE-2024-53230 CVE-2024-53231 CVE-2024-58078 CVE-2025-21720 CVE-2025-21723 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Gentoo Linux — dev-libs/libxml2 — multiple vulnerabilities (16 CVEs) — patch and remediation guide

• March 10, 2025
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202210-39 Related CVEs: CVE-2022-40303 CVE-2022-40304 CVE-2022-23308 CVE-2022-29824 CVE-2023-28484 CVE-2023-29469 CVE-2023-45322 CVE-2024-25062  +8 more Upstream summary: Multiple vulnerabilities have been discovered in libxml2. Please review the CVE identifiers referenced below for details. Table […]

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Amazon Linux 2 — 389-ds-base — multiple vulnerabilities (20 CVEs) — patch and remediation guide

• March 10, 2025
• Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-3025 Related CVEs: CVE-2025-4404 CVE-2025-7493 CVE-2025-14905 CVE-2019-14824 CVE-2018-1089 CVE-2017-15135 CVE-2018-1054 CVE-2017-15134  +12 more Upstream summary: A privilege escalation flaw from host to domain administrator was found in FreeIPA. This vulnerability […]

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How to Install Nexus Repository on CentOS Stream 10

• March 9, 2025
• CentOS
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Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying install nexus repository on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Nexus Repository on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Set Up a Firewall with firewalld on CentOS Stream 10

• March 9, 2025
• CentOS
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Introduction Setting up set up a firewall with firewalld on centos stream 10 on a CentOS Stream 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up a Firewall with firewalld on CentOS Stream 10, with all the commands you need, the SELinux […]

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CentOS Stream 10 – Common Problem 216 – Diagnosis and Fix

• March 9, 2025
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 9 March 2025 Affected versions: CentOS Stream 10 📖 ~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 […]

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openSUSE Tumbleweed — tcpdump — multiple vulnerabilities (20 CVEs) — patch and remediation guide

• March 9, 2025
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:2343-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-16301 CVE-2024-2397 CVE-2023-1801 CVE-2015-0261 CVE-2015-2153 CVE-2015-2154 CVE-2015-2155 CVE-2016-7922  +12 more Upstream summary: The command-line argument parser in tcpdump before 4.99.0 has a buffer overflow in […]

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Debian 12 — golang-github-containers-common — vulnerability — patch and remediation guide

• March 9, 2025
• Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 9 March 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-9341 Upstream summary: A flaw was found in Go. When FIPS mode is enabled on a system, container runtimes may incorrectly handle certain file paths due to improper […]

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Alpine Linux 3.20 — ruby-net-imap — multiple vulnerabilities (2 CVEs) — patch and remediation guide

• March 9, 2025
• Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0.4.22-r0 📖 ~4 min read  •  Source: Alpine secdb entry — ruby-net-imap 0.4.22-r0 Related CVEs: CVE-2025-43857 CVE-2025-27219 Upstream summary: Alpine main repository for vv3.20 ships ruby-net-imap 0.4.22-r0 which addresses CVE-2025-43857. Table of contents Symptom & Impact […]

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Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2025-8308)

• March 9, 2025
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 9 March 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-8308 Related CVEs: CVE-2025-5264 CVE-2025-5268 CVE-2025-5266 CVE-2025-5269 CVE-2025-5267 CVE-2025-5263 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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