Linux

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-2022-10078)

🟠 High   ⏱ 15–60 min  Last verified: 19 May 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-10078 Related CVEs: CVE-2022-4378 CVE-2022-1184 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 — kernel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel — security and stability fixes — required update (ELSA-2024-4349)

🟡 Medium   ⏱ 10–30 min  Last verified: 18 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-4349 Related CVEs: CVE-2024-27393 CVE-2024-35870 CVE-2023-52626 CVE-2024-26801 CVE-2024-26974 CVE-2024-35960 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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AlmaLinux 8 — resteasy — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — resteasy — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:4367 Related CVEs: CVE-2023-4727 Upstream summary: The Public Key Infrastructure (PKI) Core contains fundamental packages required by AlmaLinux Certificate System. Security Fix(es): * dogtag ca: token authentication bypass vulnerability (CVE-2023-4727) For more […]

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Common Problems 117476

Ubuntu 20.04 Bluetooth Not Discovering Devices

🟡 Medium   ⏱ 5–30 min  Last verified: 18 May 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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Common Problems 114974

RHEL 8 XFS Inode Exhaustion Despite Free Disk Space

🟡 Medium   ⏱ 5–30 min  Last verified: 18 May 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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How to Install Terraform on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Terraform on RHEL 9

Terraform is HashiCorp’s open-source Infrastructure as Code (IaC) tool that allows provisioning and managing cloud infrastructure (VMs, databases, networks, DNS records, Kubernetes clusters) using declarative configuration files. Unlike Ansible (which is primarily a configuration management tool that executes tasks imperatively), Terraform maintains a state file that tracks the real-world infrastructure it manages — allowing it […]

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Alpine Linux 3.18 — alpine — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — alpine — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 2.25-r0 📖 ~4 min read  •  Source: Alpine secdb entry — alpine 2.25-r0 Related CVEs: CVE-2021-38370 CVE-2020-14929 Upstream summary: Alpine community repository for vv3.18 ships alpine 2.25-r0 which addresses CVE-2021-38370. Table of contents Symptom & Impact […]

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SLES 15 — libQt5Svg5 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libQt5Svg5 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 18 May 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:2967-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-45930 CVE-2023-32573 CVE-2021-3481 CVE-2018-19869 Upstream summary: Qt SVG in Qt 5.0.0 through 5.15.2 and 6.0.0 through 6.2.1 has an out-of-bounds write in QtPrivate::QCommonArrayOps<QPainterPath::Element>::growAppend (called from […]

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Gentoo Linux — app-emulation/xen — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-emulation/xen — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202402-07 Related CVEs: CVE-2021-28703 CVE-2021-28704 CVE-2021-28705 CVE-2021-28706 CVE-2021-28707 CVE-2021-28708 CVE-2021-28709 CVE-2022-23816  +12 more Upstream summary: Multiple vulnerabilities have been discovered in Xen. Please review the CVE identifiers referenced below for details. Table […]

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Amazon Linux 2 — openldap — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — openldap — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2022-1796 Related CVEs: CVE-2022-29155 CVE-2019-13565 CVE-2020-36221 CVE-2020-36222 CVE-2020-36223 CVE-2020-36224 CVE-2020-36226 CVE-2020-36227  +10 more Upstream summary: In OpenLDAP 2.x before 2.5.12 and 2.6.x before 2.6.2, a SQL injection vulnerability exists in […]

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