August 2023 - Page 8 of 75

Ubuntu 18.04 — pmix — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — pmix — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6434-1 Related CVEs: CVE-2023-41915 Upstream summary: Francois Diakhate discovered that PMIx did not properly handle race conditions in the pmix library, which could lead to unwanted privilege escalation. An attacker […]

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Ubuntu 22.04 — libksba — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libksba — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5787-1 Related CVEs: CVE-2022-47629 CVE-2022-3515 Upstream summary: It was discovered that Libksba incorrectly handled parsing CRL signatures. A remote attacker could use this issue to cause Libksba to crash, resulting […]

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

Oracle Linux 9 — httpd — vulnerability — patch and remediation guide (ELSA-2024-2278)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2278 Related CVEs: CVE-2023-31122 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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Windows Server 2022 — KB5023764 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5023764 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5023764 • MSRC update-guide entry Related CVEs: CVE-2023-21708 CVE-2023-23404 CVE-2023-23415 CVE-2023-23416 CVE-2023-23385 CVE-2023-23394 CVE-2023-23403 CVE-2023-24856  +12 more Affected components: Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root […]

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Oracle Linux 9 — nodejs:18 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — nodejs:18 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-8832)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8832 Related CVEs: CVE-2022-43548 CVE-2022-3517 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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openSUSE Tumbleweed — jbig2dec — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — jbig2dec — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2023-46361 Upstream summary: Artifex Software jbig2dec v0.20 was discovered to contain a SEGV vulnerability via jbig2_error at /jbig2dec/jbig2.c. Table of contents Symptom & Impact Environment […]

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Common Problems 120144

Debian 12 Permissions Changed Incorrectly After Recursive chmod

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 12 📖 ~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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Common Problems 111856

Windows Server 2022 – Data Deduplication jobs starved by backup overlap – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 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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Windows Server 2022 — KB5027281 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5027281 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5027281 • MSRC update-guide entry Related CVEs: CVE-2023-29363 CVE-2023-32014 CVE-2023-32015 CVE-2023-29346 CVE-2023-29351 CVE-2023-29355 CVE-2023-29358 CVE-2023-29359  +12 more Affected components: Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Configure AlertManager on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure AlertManager on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure alertmanager on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure AlertManager on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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