Common Problems

openSUSE Tumbleweed — gstreamer-plugins-ugly — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — gstreamer-plugins-ugly — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:3222-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-38104 Upstream summary: GStreamer RealMedia File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations […]

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AlmaLinux 9 — grafana — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — grafana — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:4030 Related CVEs: CVE-2023-3128 CVE-2026-27877 CVE-2026-25679 CVE-2025-61726 CVE-2025-61728 CVE-2025-61729 CVE-2025-68121 CVE-2026-21721  +12 more Upstream summary: Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB & OpenTSDB. […]

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Common Problems 117606

Ubuntu 20.04 Webcam Not Detected

🟡 Medium   ⏱ 5–30 min  Last verified: 20 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 — icu — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — icu — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2008:023 (see also SUSE bugzilla) Related CVEs: CVE-2007-4770 CVE-2020-10531 CVE-2025-5222 CVE-2008-1036 CVE-2020-21913 CVE-2007-4771 Upstream summary: libicu in International Components for Unicode (ICU) 3.8.1 and earlier attempts to process backreferences to the nonexistent […]

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Common Problems 118101

Ubuntu 18.04 PostgreSQL Service Refuses Connections

🟡 Medium   ⏱ 5–30 min  Last verified: 20 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 — icu — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — icu — multiple vulnerabilities (3 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-2025:11888 (see also SUSE bugzilla) Related CVEs: CVE-2025-5222 CVE-2020-10531 CVE-2020-21913 Upstream summary: A stack buffer overflow was found in Internationl components for unicode (ICU ). While running the genrb binary, the 'subtag' […]

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Common Problems 118605

Ubuntu 16.04 LTS iptables rules lost after reboot

🟠 High   ⏱ 5–30 min  Last verified: 20 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 — drbd — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — drbd — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:2960-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-1989 CVE-2023-1990 CVE-2023-2162 CVE-2023-1390 CVE-2023-28464 CVE-2023-28772 CVE-2023-1118 CVE-2023-0590  +12 more Upstream summary: A use-after-free flaw was found in btsdio_remove in drivers\bluetooth\btsdio.c in the Linux Kernel. […]

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Common Problems 119131

Ubuntu 14.04 LTS CIFS mount authentication fails after password rotation

🟡 Medium   ⏱ 5–30 min  Last verified: 20 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 — qt6-qtbase — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — qt6-qtbase — vulnerability — 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-2025:9486 Related CVEs: CVE-2025-5455 Upstream summary: Qt is a software toolkit for developing applications. This package contains base tools, like string, xml, and network handling. Security Fix(es): * qt5: qt6: QtCore […]

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