Fix Prevention

Ubuntu 18.04 — libblockdev — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libblockdev — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 September 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7577-2 Related CVEs: CVE-2025-6019 Upstream summary: USN-7577-1 fixed a vulnerability in libblockdev. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It […]

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openSUSE Tumbleweed — screen — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — screen — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:0304-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-26937 CVE-2025-46802 CVE-2023-24626 CVE-2017-5618 Upstream summary: encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and […]

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SLES 15 — cmake — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — cmake — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 September 2025 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:02975-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-9301 Upstream summary: A vulnerability was determined in cmake 4.1.20250725-gb5cce23. This affects the function cmForEachFunctionBlocker::ReplayItems of the file cmForEachCommand.cxx. This manipulation causes reachable assertion. The […]

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Oracle Linux 8 — glibc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — glibc — vulnerability — patch and remediation guide (ELSA-2025-20300)

🟡 Medium   ⏱ 10–30 min  Last verified: 10 September 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20300 Related CVEs: CVE-2025-0395 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Rocky Linux 8 — perl-IPC-SysV — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — perl-IPC-SysV — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:8096 Related CVEs: CVE-2025-40909 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have […]

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openSUSE Leap 15.6 — libvpx7 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — libvpx7 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:2409-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-44488 CVE-2023-6349 CVE-2024-5197 Upstream summary: VP9 in libvpx before 1.13.1 mishandles widths, leading to a crash related to encoding. Table of contents Symptom & […]

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Oracle Linux 10 — openssl — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — openssl — vulnerability — patch and remediation guide (ELSA-2026-50081)

🟠 High   ⏱ 15–60 min  Last verified: 10 September 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50081 Related CVEs: CVE-2025-11187 CVE-2025-15467 CVE-2025-15468 CVE-2025-15469 CVE-2025-66199 CVE-2025-68160 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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NetBSD 9.4 — libcares — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — libcares — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-31498 CVE-2020-14354 CVE-2021-3672 CVE-2023-31124 CVE-2023-31130 CVE-2023-31147 CVE-2017-1000381 CVE-2023-32067  +3 more Upstream summary: pkgsrc audit-packages flagged libcares<1.12.0 for vulnerability class 'arbitrary-code-execution'. Reference: https://c-ares.haxx.se/adv_20160929.html Table of contents Symptom & Impact Environment […]

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How to Install Kubernetes with kubeadm on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Kubernetes with kubeadm on Debian 13

Introduction How to Install Kubernetes with kubeadm on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. […]

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How to Automate Let's Encrypt Renewals on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Automate Let’s Encrypt Renewals on Oracle Linux 10

Introduction Setting up automate let’s encrypt renewals on oracle linux 10 on a Oracle Linux 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Automate Let’s Encrypt Renewals on Oracle Linux 10, with all the commands you need, the SELinux and firewalld considerations to […]

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