🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read • Source: Amazon Linux advisory ALAS2023LIVEPATCH-2026-136 Related CVEs: CVE-2026-43284 CVE-2026-31431 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags "Dirty Frag" and other […]
🔴 Critical ⏱ 15–90 min Last verified: 15 January 2026 Affected versions: SLES 16 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2016:0010-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-7512 CVE-2017-15118 CVE-2026-3195 CVE-2025-11234 CVE-2008-4539 CVE-2014-0145 CVE-2015-3209 CVE-2015-6855 +12 more Upstream summary: Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest […]
🟠 High ⏱ 5–30 min Last verified: 15 January 2026 Affected versions: 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 & Hardening Related […]
Introduction How to Configure the Hostname and Timezone on RHEL 10 on RHEL 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 configuration is […]
🟡 Medium ⏱ 10–30 min Last verified: 8 January 2026 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2026-1617 Related CVEs: CVE-2025-38568 CVE-2025-40154 CVE-2025-40251 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: 8 January 2026 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2026-50006 Related CVEs: CVE-2025-22121 CVE-2025-23129 CVE-2025-37860 CVE-2025-38643 CVE-2025-38678 CVE-2025-39981 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
Introduction How to Install Nagios Core on RHEL 10 on RHEL 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 configuration is reproducible and […]
🟠 High ⏱ 15–60 min Last verified: 3 January 2026 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2026-1143 Related CVEs: CVE-2025-38141 CVE-2025-38349 CVE-2025-38731 CVE-2025-40248 CVE-2025-40258 CVE-2025-40294 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
🟠 High ⏱ 15–60 min Last verified: 2 January 2026 Affected versions: Oracle Linux 10 📖 ~4 min read • Source: ELSA advisory ELSA-2025-20530 Related CVEs: CVE-2012-3430 CVE-2015-6937 CVE-2016-5244 CVE-2018-12928 CVE-2018-5332 CVE-2018-5333 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
🟢 Low ⏱ 5–30 min Last verified: 1 January 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~1 min read Table of contents Problem Summary Symptoms Diagnostics Root Cause Primary Fix Verification Prevention Rollback Automation Command Reference Escalation Related Notes Problem Summary Selected tuned profile is shown but kernel parameters remain unchanged. Symptoms tuned-adm […]
