October 2022 - Page 5 of 72

Oracle Linux 9 — lua — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — lua — vulnerability — patch and remediation guide (ELSA-2022-7329)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7329 Related CVEs: CVE-2022-33099 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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IBM AIX 7.3 — CVE-2020-4494 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2020-4494 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2020-4494, IBM Support Bulletin CVE: CVE-2020-4494 NVD summary: IBM Spectrum Protect Client 8.1.7.0 through 8.1.9.1 (Linux and Windows), 8.1.9.0 trough 8.1.9.1 (AIX) and IBM Spectrum Protect for Space Management 8.1.7.0 through 8.1.9.1 […]

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SLES 15 — kernel-docs — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — kernel-docs — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2011:019 (see also SUSE bugzilla) Related CVEs: CVE-2011-1180 CVE-2022-2991 CVE-2021-39713 CVE-2020-0433 CVE-2021-0935 CVE-2021-23133 CVE-2018-25020 CVE-2020-0429  +12 more Upstream summary: Multiple stack-based buffer overflows in the iriap_getvaluebyclass_indication function in net/irda/iriap.c in the Linux […]

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How to Configure PostgreSQL Remote Access on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure PostgreSQL Remote Access on Debian 11

Introduction How to Configure PostgreSQL Remote Access on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 11. […]

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Common Problems 122205

Backup Scripts Fail Due to Permission and Path Issues

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: FreeBSD 15 📖 ~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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Alpine Linux edge — opus — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — opus — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0 📖 ~4 min read  •  Source: Alpine secdb entry — opus 0 Related CVEs: CVE-2022-25345 Upstream summary: Alpine main repository for vedge ships opus 0 which addresses CVE-2022-25345. Table of contents Symptom & Impact Environment […]

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Common Problems 121659

Debian 9 Permissions Changed Incorrectly After Recursive chmod

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 9 📖 ~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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openSUSE Tumbleweed — ruby3.1-rubygem-puma — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ruby3.1-rubygem-puma — multiple vulnerabilities (4 CVEs) — 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-2021:2761-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-29509 CVE-2022-24790 CVE-2022-23634 CVE-2021-41136 Upstream summary: Puma is a concurrent HTTP 1.1 server for Ruby/Rack applications. The fix for CVE-2019-16770 was incomplete. The original fix […]

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