Common Problems

NetBSD 9.4 — ruby-ruby-activerecord — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-ruby-activerecord — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2013-1854 Upstream summary: pkgsrc audit-packages flagged ruby{18,19,193}-ruby-activerecord<3.2.13 for vulnerability class 'denial-of-service'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1854 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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NetBSD 9.4 — ruby-uri — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-uri — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-61594 Upstream summary: pkgsrc audit-packages flagged ruby{32,33,34}-uri<1.0.4 for vulnerability class 'sensitive-information-disclosure'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-61594 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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NetBSD 9.4 — ruby-websocket-extensions — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-websocket-extensions — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2020-7663 Upstream summary: pkgsrc audit-packages flagged ruby{22,24,25,26,27}-websocket-extensions<0.1.5 for vulnerability class 'denial-of-service'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-7663 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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NetBSD 9.4 — ruby1-actionmailer — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby1-actionmailer — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged ruby1{8,9,93}-actionmailer<3.2.15 for vulnerability class 'denial-of-service'. Reference: http://secunia.com/advisories/55240/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Common Problems 118086

Ubuntu 18.04 LTS – kubelet fails to start due to cgroup driver mismatch – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 18.04 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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SLES 15 — libxslt1 — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libxslt1 — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:20892-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-11731 CVE-2024-55549 CVE-2025-24855 CVE-2021-30560 CVE-2019-18197 CVE-2023-40403 CVE-2016-4738 CVE-2017-5029  +5 more Upstream summary: A flaw was found in the exsltFuncResultComp() function of libxslt, which handles EXSLT […]

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Common Problems 118581

Ubuntu 16.04 LTS – Docker reports no space left on device during image pulls – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 16.04 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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SLES 12 — uuidd — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — uuidd — multiple vulnerabilities (11 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-SU-2024:1106-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-28085 CVE-2014-9114 CVE-2016-2779 CVE-2017-2616 CVE-2018-7738 CVE-2026-3184 CVE-2025-14104 CVE-2021-37600  +3 more Upstream summary: wall in util-linux through 2.40, often installed with setgid tty permissions, allows escape […]

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Common Problems 119112

Ubuntu 14.04 LTS LightDM login loop after desktop update

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: 14.04 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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CentOS Stream 10 — rsync — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — rsync — 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-2026:6825 Related CVEs: CVE-2025-10158 Upstream summary: The rsync utility enables the users to copy and synchronize files locally or across a network. Synchronization with rsync is fast because rsync only sends […]

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