Introduction How to Tune Kernel Parameters with sysctl on CentOS Stream 10 on CentOS Stream 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting […]
Introduction Setting up schedule tasks with systemd timers on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Schedule Tasks with systemd Timers on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]
🟡 Medium ⏱ 5–30 min Last verified: 4 August 2025 Affected versions: RHEL 10 RHEL 10.0 RHEL 10.1 📖 ~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 & […]
🟢 Low ⏱ 5–15 min Last verified: 4 August 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6756-1 Related CVEs: CVE-2024-32487 Upstream summary: It was discovered that less mishandled newline characters in file names. If a user or automated system were tricked into opening specially crafted files, […]
🟡 Medium ⏱ 10–30 min Last verified: 4 August 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7983-1 Related CVEs: CVE-2025-64329 CVE-2024-25621 CVE-2024-40635 Upstream summary: David Leadbeater discovered that containerd incorrectly set certain directory path permissions. An attacker could possibly use this issue to achieve unauthorised access […]
🟡 Medium ⏱ 10–30 min Last verified: 4 August 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8108-1 Related CVEs: CVE-2024-30172 CVE-2023-33201 CVE-2025-8916 CVE-2024-29857 CVE-2024-30171 CVE-2024-34447 Upstream summary: It was discovered that Bouncy Castle did not sanitize user input when inserting it into an LDAP search filter. […]
🟠 High ⏱ 15–60 min Last verified: 4 August 2025 Affected versions: SLES 12 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2021:14728-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-32491 CVE-2021-32492 CVE-2021-32493 CVE-2021-3500 CVE-2021-3630 CVE-2021-32490 CVE-2025-53367 CVE-2021-46312 +6 more Upstream summary: A flaw was found in djvulibre-3.5.28 and earlier. An integer overflow in function […]
🟠 High ⏱ 15–60 min Last verified: 4 August 2025 Affected versions: Oracle Linux 10 📖 ~4 min read • Source: ELSA advisory ELSA-2026-2230 Related CVEs: CVE-2025-15269 CVE-2025-15275 CVE-2025-15279 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]
🟠 High ⏱ 15–60 min Last verified: 4 August 2025 Affected versions: Oracle Linux 10 📖 ~4 min read • Source: ELSA advisory ELSA-2025-11797 Related CVEs: CVE-2025-8034 CVE-2025-8030 CVE-2025-8032 CVE-2025-8029 CVE-2025-8031 CVE-2025-8028 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read • Source: Amazon Linux advisory ALAS2023-2025-1192 Related CVEs: CVE-2025-58160 Upstream summary: tracing is a framework for instrumenting Rust programs to collect structured, event-based diagnostic information. Prior to version 0.3.20, tracing-subscriber was vulnerable to ANSI escape […]
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