Linux

Debian 13 — tpm2-tss — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — tpm2-tss — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-24455 CVE-2023-22745 CVE-2024-29040 Upstream summary: Missing initialization of a variable in the TPM2 source may allow a privileged user to potentially enable an escalation of privilege via local […]

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How to Back Up PostgreSQL with pg_dump on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Back Up PostgreSQL with pg_dump on Debian 13

Introduction This guide explains how to Back Up PostgreSQL with pg_dump on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with […]

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Common Problems 119460

Debian 13 Boot Drops to Emergency Mode from Broken fstab

🟡 Medium   ⏱ 5–30 min  Last verified: 28 October 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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Common Problems 114033

RHEL 10 – dnf history rollback fails after interrupted transaction – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 28 October 2025 Affected versions: RHEL 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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Ubuntu 20.04 — apport — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — apport — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 October 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7545-4 Related CVEs: https://launchpad.net/bugs/2117236 https://launchpad.net/bugs/2112466 https://launchpad.net/bugs/2112272 CVE-2025-5054 CVE-2023-1326 https://launchpad.net/bugs/2016023 CVE-2021-3899 CVE-2022-1242  +12 more Upstream summary: USN-7545-1 fixed vulnerabilities in Apport. The update incorrectly handled logging if a crashing process was […]

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Oracle Linux 9 — webkit2gtk3 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — webkit2gtk3 — vulnerability — patch and remediation guide (ELSA-2025-13782)

🟠 High   ⏱ 15–60 min  Last verified: 28 October 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-13782 Related CVEs: CVE-2025-31273 CVE-2025-43212 CVE-2025-43265 CVE-2025-43227 CVE-2025-31278 CVE-2025-43211 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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SLES 12 — gstreamer-plugins-good — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — gstreamer-plugins-good — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 October 2025 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory RHSA-2024:11122 (see also SUSE bugzilla) Related CVEs: CVE-2024-47540 CVE-2024-47537 CVE-2025-47183 CVE-2024-47543 CVE-2024-47545 CVE-2024-47596 CVE-2024-47597 CVE-2024-47599  +12 more Upstream summary: GStreamer is a library for constructing graphs of media-handling components. An uninitialized stack […]

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Oracle Linux 10 — .NET 9.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — .NET 9.0 — vulnerability — patch and remediation guide (ELSA-2025-18153)

🟠 High   ⏱ 15–60 min  Last verified: 28 October 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-18153 Related CVEs: CVE-2025-55247 CVE-2025-55248 CVE-2025-55315 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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Common Problems 119430

Debian 13 apt NO_PUBKEY and Repository Signature Failures

🟡 Medium   ⏱ 5–30 min  Last verified: 28 October 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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How to Perform a Minimal Installation of Debian 13 Trixie — step-by-step Debian 13 tutorial on Progressive Robot

How to Perform a Minimal Installation of Debian 13 Trixie

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up perform a minimal installation of debian 13 trixie 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 […]

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