Common Problems

Common Problems 111646

Windows Server 2022 – Failover cluster loses quorum after single node failure – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 27 December 2022 Affected versions: Windows Server 2022 📖 ~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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Debian 11 — filter — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — filter — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1272 Upstream summary: Buffer overflow in the save_embedded_address function in filter.c for elm/bolthole filter 2.6.1 allows remote attackers to execute arbitrary code via a crafted email message. Table […]

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Debian 11 — xsok — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — xsok — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0949 Upstream summary: xsok 1.02 does not properly drop privileges before finding and executing the "gunzip" program, which allows local users to execute arbitrary commands. Table of contents […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2022-9689)

🟠 High   ⏱ 15–60 min  Last verified: 27 December 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9689 Related CVEs: CVE-2022-2588 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 9 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — firefox — vulnerability — patch and remediation guide (ELSA-2022-6700)

🟠 High   ⏱ 15–60 min  Last verified: 27 December 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6700 Related CVEs: CVE-2022-40958 CVE-2022-40957 CVE-2022-40962 CVE-2022-40959 CVE-2022-40960 CVE-2022-40956 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 115098

RHEL 8 MariaDB Service Fails After Parameter Mismatch Change

🟡 Medium   ⏱ 5–30 min  Last verified: 26 December 2022 📖 ~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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Common Problems 114577

DNF Metadata Checksum Mismatch Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 26 December 2022 📖 ~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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IBM AIX 7.2 — CVE-2022-22473 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2022-22473 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 26 December 2022 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2022-22473, IBM Support Bulletin CVE: CVE-2022-22473 NVD summary: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to obtain sensitive information caused by improper handling of Administrative […]

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Debian 11 — screenie — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — screenie — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5371 Upstream summary: screenie in screenie 1.30.0 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/.screenie.##### temporary file. Table of contents Symptom & […]

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