Linux

openSUSE Tumbleweed — tar — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — tar — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:0002 (see also SUSE bugzilla) Related CVEs: CVE-2025-45582 CVE-2022-48303 CVE-2021-20193 CVE-2001-1267 CVE-2002-0399 CVE-2005-1918 CVE-2006-0300 CVE-2006-6097  +5 more Upstream summary: GNU Tar through 1.35 allows file overwrite via directory traversal in crafted TAR […]

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Ubuntu 24.04 — python-idna — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — python-idna — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 August 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6780-1 Related CVEs: CVE-2024-3651 Upstream summary: Guido Vranken discovered that idna did not properly manage certain inputs, which could lead to significant resource consumption. An attacker could possibly use this […]

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Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50160)

🟠 High   ⏱ 15–60 min  Last verified: 18 August 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50160 Related CVEs: CVE-2024-58096 CVE-2024-58097 CVE-2025-21717 CVE-2025-21882 CVE-2025-37929 CVE-2025-38431 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Red Hat Enterprise Linux 9 — libvirt — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — libvirt — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:18748 Related CVEs: CVE-2025-12748 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Debian 13 — linux — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — linux — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 18 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0230 CVE-2005-3660 CVE-2007-3719 CVE-2008-2544 CVE-2008-4609 CVE-2010-4563 CVE-2010-5313 CVE-2010-5321  +12 more Upstream summary: TCP, when using a large Window Size, makes it easier for remote attackers to guess sequence […]

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Common Problems 113956

RHEL 10 Chronyd Not Synchronizing Time

🟠 High   ⏱ 5–30 min  Last verified: 18 August 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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Common Problems 119640

Debian 13 sudo Access Lost After Group or PAM Changes

🟡 Medium   ⏱ 5–30 min  Last verified: 18 August 2025 📖 ~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 Errors & Cross-Refs References & Further […]

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openSUSE Leap 15.6 — perl-Crypt-OpenSSL-RSA — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — perl-Crypt-OpenSSL-RSA — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:01884-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-2467 Upstream summary: A timing-based side-channel flaw exists in the perl-Crypt-OpenSSL-RSA package, which could be sufficient to recover plaintext across a network in a […]

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How to Configure Database Backups with Automysqlbackup on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure Database Backups with Automysqlbackup on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up configure database backups with automysqlbackup on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting […]

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Common Problems 124138

Oracle Linux 10 – subscription-manager reports system not registered and repos unavailable – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 17 August 2025 Affected versions: Oracle Linux 10 📖 ~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 Errors […]

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