Linux

Ubuntu 20.04 — corosync — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — corosync — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 December 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7478-1 Related CVEs: CVE-2025-30472 Upstream summary: It was discovered that Corosync incorrectly handled certain large UDP packets. If encryption is disabled, or an attacker knows the encryption key, this issue […]

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SLES 16 — socat — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — socat — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 December 2025 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2016:0343-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-3571 CVE-2015-4000 CVE-2024-54661 CVE-2014-0019 Upstream summary: socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type address and the fork option […]

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Common Problems 114014

RHEL 10 – NFS Mount Throws Stale File Handle During Workloads – Stabilization Steps

🟠 High   ⏱ 5–30 min  Last verified: 6 December 2025 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 […]

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Amazon Linux 2023 — nvidia-fs — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — nvidia-fs — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023NVIDIA-2025-075 Related CVEs: CVE-2025-23247 CVE-2024-53870 CVE-2024-53871 CVE-2024-53875 Upstream summary: NVIDIA CUDA Toolkit for all platforms contains a vulnerability in the cuobjdump binary, where a failure to check the length of […]

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Amazon Linux 2023 — cuda-cudart-13-0 — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — cuda-cudart-13-0 — multiple vulnerabilities (11 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 ALAS2023NVIDIA-2025-187 Related CVEs: CVE-2025-23248 CVE-2025-23255 CVE-2025-23271 CVE-2025-23273 CVE-2025-23274 CVE-2025-23275 CVE-2025-23308 CVE-2025-23338  +3 more Upstream summary: NVIDIA CUDA Toolkit for all platforms contains a vulnerability in the nvdisasm binary where a […]

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Debian 13 — opencc — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — opencc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 December 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-15536 Upstream summary: A weakness has been identified in BYVoid OpenCC up to 1.1.9. This vulnerability affects the function opencc::MaxMatchSegmentation of the file src/MaxMatchSegmentation.cpp. This manipulation causes heap-based buffer […]

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How to Configure Nginx Load Balancing on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure Nginx Load Balancing on RHEL 10

Introduction How to Configure Nginx Load Balancing 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 […]

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Amazon Linux 2023 — kernel-livepatch-6.1.148-173.267 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.1.148-173.267 — multiple vulnerabilities (4 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-2025-109 Related CVEs: CVE-2025-39677 CVE-2025-39691 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, […]

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Debian 13 — node-set-value — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-set-value — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 December 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-10747 CVE-2021-23440 Upstream summary: set-value is vulnerable to Prototype Pollution in versions lower than 3.0.1. The function mixin-deep could be tricked into adding or modifying properties of Object.prototype […]

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openSUSE Tumbleweed — libpcre2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libpcre2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:21094-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-58050 CVE-2017-8786 Upstream summary: The PCRE2 library is a set of C functions that implement regular expression pattern matching. In version 10.45, a heap-buffer-overflow read […]

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