Operations

SLES 15 — logrotate — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — logrotate — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 February 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-3864 CVE-2022-1348 CVE-2011-1098 CVE-2011-1154 CVE-2011-1155 Upstream summary: A flaw was found in the way the dumpable flag setting was handled when certain SUID binaries executed […]

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SLES 15 — apache-ivy — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — apache-ivy — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 February 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:4367-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-46751 Upstream summary: Improper Restriction of XML External Entity Reference, XML Injection (aka Blind XPath Injection) vulnerability in Apache Software Foundation Apache Ivy.This issue affects […]

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How to Configure Windows Server 2022 DCB — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 DCB

Introduction to Nexus Repository Manager on Windows Server 2022 Nexus Repository Manager OSS is a widely used open-source artifact repository that supports package formats including Maven, npm, NuGet, Docker, PyPI, and Chocolatey. Running Nexus on Windows Server 2022 gives development teams a central place to store, proxy, and distribute dependencies without relying entirely on public […]

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

Oracle Linux 9 — kernel — vulnerability — patch and remediation guide (ELSA-2024-12094)

🟠 High   ⏱ 15–60 min  Last verified: 11 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12094 Related CVEs: CVE-2023-40283 CVE-2023-4015 CVE-2023-3812 CVE-2023-5178 CVE-2022-3545 CVE-2023-2176 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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

Oracle Linux 9 — vim — vulnerability — patch and remediation guide (ELSA-2022-5942)

🟡 Medium   ⏱ 10–30 min  Last verified: 11 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5942 Related CVEs: CVE-2022-1785 CVE-2022-1897 CVE-2022-1927 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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Oracle Linux 9 — pcs — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — pcs — vulnerability — patch and remediation guide (ELSA-2022-9513)

🟠 High   ⏱ 15–60 min  Last verified: 11 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9513 Related CVEs: CVE-2022-29970 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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Amazon Linux 2 — kernel-livepatch-4.14.355-280.698 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.355-280.698 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2025-273 Related CVEs: CVE-2023-53530 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Use raw_smp_processor_id() instead of smp_processor_id() (CVE-2023-53530) Table of contents Symptom & Impact […]

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IBM AIX 7.3 — CVE-2021-29737 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2021-29737 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 11 February 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2021-29737, IBM Support Bulletin CVE: CVE-2021-29737 NVD summary: IBM InfoSphere Data Flow Designer Engine (IBM InfoSphere Information Server 11.7 ) component has improper validation of the REST API server certificate. IBM X-Force […]

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How to Configure MariaDB Galera Cluster on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure MariaDB Galera Cluster on RHEL 7

How to Configure MariaDB Galera Cluster on RHEL 7 MariaDB Galera Cluster is a synchronous multi-primary replication solution for MariaDB. Every node in a Galera cluster can accept writes simultaneously, and changes are replicated to all other nodes before a transaction is confirmed to the client. This eliminates replication lag, prevents data loss on node […]

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