Common Problems

Common Problems 117536

Ubuntu 20.04 GRUB Rescue Prompt on Startup

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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SLES 16 — python313-jaraco.context — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — python313-jaraco.context — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:20139-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-23949 Upstream summary: jaraco.context, an open-source software package that provides some useful decorators and context managers, has a Zip Slip path traversal vulnerability in the […]

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Common Problems 118031

Ubuntu 18.04 Audio Output Missing After Restart

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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SLES 15 — libpng12 — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libpng12 — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:18028 (see also SUSE bugzilla) Related CVEs: CVE-2026-33416 CVE-2026-25646 CVE-2011-3026 CVE-2011-3045 CVE-2014-9495 CVE-2015-0973 CVE-2026-34757 CVE-2025-64505  +7 more Upstream summary: LIBPNG is a reference library for use in applications that read, create, and […]

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Common Problems 118534

Ubuntu 16.04 LTS kernel module fails to load after security update

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: 16.04 📖 ~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 […]

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SLES 12 — perl-YAML-LibYAML — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — perl-YAML-LibYAML — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:9329 (see also SUSE bugzilla) Related CVEs: CVE-2025-40908 CVE-2012-1152 Upstream summary: YAML-LibYAML prior to 0.903.0 for Perl uses 2-args open, allowing existing files to be modified Table of contents Symptom & Impact […]

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Common Problems 119061

Ubuntu 14.04 LTS sudo fails due to unresolved hostname

🟢 Low   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: 14.04 📖 ~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 […]

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CentOS Stream 10 — binutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — binutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:23306 Related CVEs: CVE-2025-11082 CVE-2025-11083 CVE-2025-5244 Upstream summary: The binutils packages provide a collection of binary utilities for the manipulation of object code in various object file formats. It includes the […]

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

Debian 13 — libspring-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-4152 CVE-2013-6429 CVE-2013-6430 CVE-2013-7315 CVE-2014-0054 CVE-2014-0225 CVE-2014-1904 CVE-2014-3578  +12 more Upstream summary: The Spring OXM wrapper in Spring Framework before 3.2.4 and 4.0.0.M1, when using the JAXB marshaller, […]

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CentOS Stream 9 — python3.12-cryptography — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — python3.12-cryptography — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:15608 Related CVEs: CVE-2024-26130 CVE-2025-24898 Upstream summary: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports […]

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