Linux

Common Problems 116396

Ubuntu 24.04 LTS – apt update fails due to dpkg lock contention – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 2 June 2025 Affected versions: Ubuntu 24.04 LTS 📖 ~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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Debian 11 — libcatalyst-plugin-session-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libcatalyst-plugin-session-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 June 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-25052 CVE-2025-40924 Upstream summary: A vulnerability has been found in Catalyst-Plugin-Session up to 0.40 and classified as problematic. This vulnerability affects the function _load_sessionid of the file lib/Catalyst/Plugin/Session.pm […]

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Ubuntu 24.04 — xfpt — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — xfpt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 June 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7192-1 Related CVEs: CVE-2024-43700 Upstream summary: It was discovered that xfpt did not properly manage memory under certain circumstances. If a user were tricked into opening a specially crafted file, […]

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Ubuntu 22.04 — pam-u2f — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — pam-u2f — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 June 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7806-1 Related CVEs: CVE-2025-23013 Upstream summary: It was discovered that PAM/U2F could allow for authentication bypass in some configurations. An attacker could possibly use this issue to execute arbitrary code […]

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Amazon Linux 2023 — cuda-visual-tools-12-9 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — cuda-visual-tools-12-9 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023NVIDIA-2025-206 Related CVEs: CVE-2025-23272 CVE-2025-23247 Upstream summary: NVIDIA nvJPEG library contains a vulnerability where an attacker can cause an out-of-bounds read by means of a specially crafted JPEG file. A […]

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AlmaLinux 8 — c-ares — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — c-ares — multiple vulnerabilities (6 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-2023:3584 Related CVEs: CVE-2023-32067 CVE-2022-4904 CVE-2020-22217 CVE-2023-31130 CVE-2021-3672 CVE-2024-25629 Upstream summary: The c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API. Security Fix(es): * c-ares: 0-byte […]

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CentOS Stream 9 — orc — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — orc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 June 2025 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:6184 Related CVEs: CVE-2024-40897 Upstream summary: Orc is a library and set of tools for compiling and executing very simple programs that operate on arrays of data. The "language" is a […]

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AlmaLinux 8 — qt5-qtbase — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — qt5-qtbase — multiple vulnerabilities (15 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-2024:4617 Related CVEs: CVE-2024-39936 CVE-2023-51714 CVE-2024-25580 CVE-2023-33285 CVE-2023-34410 CVE-2023-37369 CVE-2023-38197 CVE-2021-38593  +7 more Upstream summary: Qt is a software toolkit for developing applications. The qt5-base packages contain base tools for string, xml, […]

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

Oracle Linux 9 — libsoup — vulnerability — patch and remediation guide (ELSA-2025-20959)

🟠 High   ⏱ 15–60 min  Last verified: 2 June 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20959 Related CVEs: CVE-2025-11021 CVE-2025-4945 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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Oracle Linux 9 — nodejs:20 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — nodejs:20 — vulnerability — patch and remediation guide (ELSA-2025-7426)

🟡 Medium   ⏱ 10–30 min  Last verified: 2 June 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-7426 Related CVEs: CVE-2025-31498 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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