Linux

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

Oracle Linux 9 — istio — vulnerability — patch and remediation guide (ELSA-2023-12771)

🟠 High   ⏱ 15–60 min  Last verified: 17 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12771 Related CVEs: CVE-2023-35943 CVE-2023-35944 CVE-2023-35941 CVE-2023-35942 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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

Oracle Linux 9 — mutt — vulnerability — patch and remediation guide (ELSA-2024-2290)

🟡 Medium   ⏱ 10–30 min  Last verified: 17 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2290 Related CVEs: CVE-2023-4874 CVE-2023-4875 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 8 — libxml2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libxml2 — vulnerability — patch and remediation guide (ELSA-2025-1517)

🟡 Medium   ⏱ 10–30 min  Last verified: 17 May 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-1517 Related CVEs: CVE-2022-49043 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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Como Configurar um Firewall com o UFW no Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Como Configurar um Firewall com o UFW no Ubuntu 20.04

O UFW, ou Uncomplicated Firewall, é uma interface de gerenciamento simplificado de firewall que esconde a complexidade das tecnologias de filtragem de pacotes de baixo nível, como iptables e nftables. Se você deseja começar a proteger sua rede, mas não tem certeza sobre qual…

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Oracle Linux 9 — Cockpit Podman Interface Might Require Additional Proxy Configuration — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Cockpit Podman Interface Might Require Additional Proxy Configuration

🟠 High   ⏱ 5–30 min  Last verified: 16 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: Oracle Bug OLRNT-topic_ihq_ywt_cxb 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 […]

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Rocky Linux 8 — pytz — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — pytz — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2023:7042 Related CVEs: CVE-2023-32681 CVE-2007-4559 Upstream summary: Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, and dynamic typing. The python27 packages […]

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CentOS Stream 9 — perl-HTTP-Tiny — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — perl-HTTP-Tiny — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 May 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:6542 Related CVEs: CVE-2023-31486 Upstream summary: HTTP::Tiny is a small and simple HTTP/1.1 client written in Perl. Security Fix(es): * http-tiny: insecure TLS cert default (CVE-2023-31486) For more details about the […]

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

Oracle Linux 9 — unbound — vulnerability — patch and remediation guide (ELSA-2024-0977)

🟠 High   ⏱ 15–60 min  Last verified: 16 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-0977 Related CVEs: CVE-2023-50868 CVE-2023-50387 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 8 — kvm_utils — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kvm_utils — vulnerability — patch and remediation guide (ELSA-2022-9460)

🟠 High   ⏱ 15–60 min  Last verified: 16 May 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9460 Related CVEs: CVE-2022-26353 CVE-2021-3748 CVE-2022-26354 CVE-2022-0897 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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

Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide (ELSA-2022-5482)

🟠 High   ⏱ 15–60 min  Last verified: 16 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5482 Related CVEs: CVE-2022-31744 CVE-2022-34479 CVE-2022-34484 CVE-2022-34468 CVE-2022-34481 CVE-2022-2226 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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