Linux

Arch Linux — rsync — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — rsync — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202501-1 Related CVEs: CVE-2024-12747 CVE-2024-12088 CVE-2024-12087 CVE-2024-12086 CVE-2024-12085 CVE-2024-12084 CVE-2018-5764 CVE-2017-17434  +4 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 3.3.0-2. Fixed in: 3.4.0-1. Group: AVG-2858. Table of contents […]

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How to Set Up OpenVSwitch on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up OpenVSwitch on CentOS Stream 10

Introduction This tutorial demonstrates how to Set Up OpenVSwitch on CentOS Stream 10 on CentOS Stream 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 10 system with the default […]

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AlmaLinux 8 — perl-Devel-Size — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-Devel-Size — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:8096 Related CVEs: CVE-2025-40909 CVE-2023-47038 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 a […]

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Amazon Linux 2 — aws-cfn-bootstrap — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — aws-cfn-bootstrap — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-3104 Related CVEs: CVE-2024-13176 CVE-2024-47081 CVE-2025-9230 CVE-2024-35195 Upstream summary: Issue summary: A timing side-channel which could potentially allow recovering the private key exists in the ECDSA signature computation. Impact summary: […]

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Debian 11 — libfcgi-perl — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libfcgi-perl — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 June 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-2766 CVE-2012-6687 CVE-2025-40907 Upstream summary: The FCGI (aka Fast CGI) module 0.70 through 0.73 for Perl, as used by CGI::Fast, uses environment variable values from one request during […]

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Debian 12 — dcm2niix — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — dcm2niix — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 June 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-27629 Upstream summary: An issue in dc2niix before v.1.0.20240202 allows a local attacker to execute arbitrary code via the generated file name is not properly escaped and injected […]

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Debian 12 — tcpdf — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — tcpdf — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 June 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-6100 CVE-2018-17057 CVE-2024-22640 CVE-2024-22641 CVE-2024-32489 CVE-2024-51058 CVE-2024-56519 CVE-2024-56520  +3 more Upstream summary: tcpdf before 6.2.0 uploads files from the server generating PDF-files to an external FTP. Table of […]

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Alpine Linux 3.20 — pure-ftpd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — pure-ftpd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.0.49-r1 📖 ~4 min read  •  Source: Alpine secdb entry — pure-ftpd 1.0.49-r1 Related CVEs: CVE-2020-9274 CVE-2020-9365 Upstream summary: Alpine community repository for vv3.20 ships pure-ftpd 1.0.49-r1 which addresses CVE-2020-9274. Table of contents Symptom & Impact […]

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Rocky Linux 8 — rubygem-mysql2 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — rubygem-mysql2 — multiple vulnerabilities (7 CVEs) — 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-2023:7025 Related CVEs: CVE-2021-33621 CVE-2022-28739 CVE-2023-28755 CVE-2023-28756 CVE-2025-24294 CVE-2025-58767 CVE-2025-61594 Upstream summary: Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform […]

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Common Problems 114105

RHEL 10 – auditd backlog overflow drops critical security events

🔴 Critical   ⏱ 5–30 min  Last verified: 24 June 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 & […]

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