Linux

How to Schedule Tasks with Cron on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Schedule Tasks with Cron on CentOS Stream 10

Introduction This tutorial demonstrates how to Schedule Tasks with Cron 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 […]

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AlmaLinux 9 — python-idna — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — python-idna — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:3846 Related CVEs: CVE-2024-3651 Upstream summary: The hsakmt packages include a thunk library for AMD's Heterogeneous System Architecture (HSA) Linux kernel driver (amdkfd). Security Fix(es): * python-idna: potential DoS via resource consumption […]

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AlmaLinux 8 — rubygem-mysql2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — rubygem-mysql2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:10834 Related CVEs: CVE-2024-49761 CVE-2020-36327 CVE-2021-31799 CVE-2021-31810 CVE-2021-32066 CVE-2021-41817 CVE-2021-41819 CVE-2019-8324  +12 more Upstream summary: Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to […]

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AlmaLinux 8 — iperf3 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — iperf3 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:0168 Related CVEs: CVE-2024-53580 CVE-2023-38403 CVE-2025-54349 CVE-2023-7250 CVE-2024-26306 Upstream summary: Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, […]

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Debian 11 — rhonabwy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rhonabwy — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 February 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-32096 CVE-2024-25714 Upstream summary: Rhonabwy before v1.1.5 was discovered to contain a buffer overflow via the component r_jwe_aesgcm_key_unwrap. This vulnerability allows attackers to cause a Denial of Service […]

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Ubuntu 20.04 — editorconfig-core — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — editorconfig-core — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 February 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7168-1 Related CVEs: CVE-2023-0341 CVE-2024-53849 Upstream summary: It was discovered that EditorConfig improperly managed memory when handling certain inputs, leading to overflows. An attacker could possibly use these issues to […]

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Alpine Linux 3.20 — fribidi — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — fribidi — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.0.7-r1 📖 ~4 min read  •  Source: Alpine secdb entry — fribidi 1.0.7-r1 Related CVEs: CVE-2019-18397 CVE-2022-25308 CVE-2022-25309 CVE-2022-25310 Upstream summary: Alpine main repository for vv3.20 ships fribidi 1.0.7-r1 which addresses CVE-2019-18397. Table of contents Symptom […]

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Oracle Linux 8 — container-tools:rhel8 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:rhel8 — vulnerability — patch and remediation guide (ELSA-2026-4672)

🟠 High   ⏱ 15–60 min  Last verified: 28 February 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-4672 Related CVEs: CVE-2025-61726 CVE-2025-61728 CVE-2025-68121 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Alpine Linux 3.19 — proftpd — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — proftpd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.3.8b-r0 📖 ~4 min read  •  Source: Alpine secdb entry — proftpd 1.3.8b-r0 Related CVEs: CVE-2023-48795 Upstream summary: Alpine community repository for vv3.19 ships proftpd 1.3.8b-r0 which addresses CVE-2023-48795. Table of contents Symptom & Impact Environment […]

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