chris

Red Hat Enterprise Linux 7 — kernel-rt — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 7

Red Hat Enterprise Linux 7 — kernel-rt — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 7 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:14869 Related CVEs: CVE-2018-16885 CVE-2025-40240 CVE-2026-23191 CVE-2026-31402 CVE-2022-50673 CVE-2025-38415 CVE-2025-38459 CVE-2025-39760  +12 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Common Problems 116055

Ubuntu 26.04 LTS – NGINX fails reload due to duplicate server_name – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 June 2026 Affected versions: Ubuntu 26.04 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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Windows Server 2025 — KB5086095 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5086095 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5086095 • MSRC update-guide entry Related CVEs: CVE-2026-33116 Affected components: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2025 Microsoft summary: Loop with unreachable exit condition ('infinite loop') in .NET.NET Framework, […]

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Common Problems 115993

UFW Blocking Container Ports on Ubuntu 26.04 LTS

🟡 Medium   ⏱ 5–30 min  Last verified: 19 June 2026 Affected versions: 26.04 📖 ~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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Windows Server 2025 — KB5055609 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5055609 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5055609 • MSRC update-guide entry Related CVEs: CVE-2025-26663 CVE-2025-26686 CVE-2025-26670 CVE-2025-26664 CVE-2025-26665 CVE-2025-26669 CVE-2025-26667 CVE-2025-26668  +12 more Affected components: Windows Server 2025 Microsoft summary: Use after free in Windows LDAP – Lightweight […]

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FreeBSD 15 — quake2lnx — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — quake2lnx — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 June 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: quake2 — multiple critical vulnerabilities Upstream summary: An advisory published by Richard Stanway describes numerous critical vulnerabilities in the Quake II engine: Due to unchecked input at various stages in […]

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FreeBSD 15 — mnemo — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — mnemo — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 June 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mnemo — Cross site scripting vulnerabilities in several of the notepad name and note data fields Upstream summary: Announce of Mnemo H3 (2.0.3) (final): This [2.0.3] is a security release […]

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FreeBSD 15 — plexhometheater — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — plexhometheater — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 June 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ffmpeg — multiple vulnerabilities Related CVEs: CVE-2015-6761 CVE-2015-6818 CVE-2015-6819 CVE-2015-6820 CVE-2015-6821 CVE-2015-6822 CVE-2015-6823 CVE-2015-6824  +11 more Upstream summary: NVD reports: The ff_dwt_decode function in libavcodec/jpeg2000dwt.c in FFmpeg before 2.8.4 does […]

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Common Problems 115926

Initramfs or /boot Space Exhaustion During Kernel Updates

🟡 Medium   ⏱ 5–30 min  Last verified: 19 June 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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