Common Problems

Oracle Linux 8 — fwupd — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — fwupd — vulnerability — patch and remediation guide (ELSA-2023-7189)

🟡 Medium   ⏱ 10–30 min  Last verified: 24 June 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7189 Related CVEs: CVE-2022-3287 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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Oracle Linux 8 — curl — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — curl — vulnerability — patch and remediation guide (ELSA-2023-1140)

🟡 Medium   ⏱ 10–30 min  Last verified: 24 June 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-1140 Related CVEs: CVE-2023-23916 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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Alpine Linux 3.18 — cfengine — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — cfengine — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 3.12.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — cfengine 3.12.2-r0 Related CVEs: CVE-2019-9929 Upstream summary: Alpine community repository for vv3.18 ships cfengine 3.12.2-r0 which addresses CVE-2019-9929. Table of contents Symptom & Impact Environment […]

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Common Problems 114448

SSH Login Delay Caused By Reverse DNS Lookups

🟡 Medium   ⏱ 5–30 min  Last verified: 24 June 2023 📖 ~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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CentOS Stream 9 — libXpm — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — libXpm — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 June 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:0383 Related CVEs: CVE-2022-44617 CVE-2022-46285 CVE-2022-4883 CVE-2023-43788 CVE-2023-43789 Upstream summary: X.Org X11 libXpm runtime library. Security Fix(es): * libXpm: compression commands depend on $PATH (CVE-2022-4883) * libXpm: Runaway loop on width […]

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Alpine Linux 3.18 — webkit2gtk-6.0 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — webkit2gtk-6.0 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 2.36.5-r0 📖 ~4 min read  •  Source: Alpine secdb entry — webkit2gtk-6.0 2.36.5-r0 Related CVEs: CVE-2022-2294 CVE-2022-32792 CVE-2022-32816 CVE-2022-22677 CVE-2022-22710 Upstream summary: Alpine community repository for vv3.18 ships webkit2gtk-6.0 2.36.5-r0 which addresses CVE-2022-2294. Table of contents […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2022-31163 Upstream summary: pkgsrc audit-packages flagged ruby{26,27,30,31}-tzinfo<1.2.10 for vulnerability class 'path-traversal'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-31163 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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NetBSD 9.4 — ruby-actionpack52 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-actionpack52 — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2019-5418 CVE-2020-8164 CVE-2020-8162 CVE-2020-8166 CVE-2022-22577 CVE-2023-28362 CVE-2019-5419 CVE-2021-22885  +1 more Upstream summary: pkgsrc audit-packages flagged ruby{22,23,24,25,26}-actionpack52<5.2.2.1 for vulnerability class 'arbitrary-file-reading'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-5418 Table of contents Symptom & Impact Environment […]

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