Operations

Debian 11 — opus — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — opus — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-0899 CVE-2017-0381 Upstream summary: Integer overflow in the padding implementation in the opus_packet_parse_impl function in src/opus_decoder.c in Opus before 1.0.2, as used in Google Chrome before 25.0.1364.97 on […]

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How to Set Up psad Port Scan Attack Detector on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up psad Port Scan Attack Detector on Debian 9

Introduction How to Set Up psad Port Scan Attack Detector on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 […]

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Ubuntu 18.04 — sofia-sip — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — sofia-sip — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 January 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6448-1 Related CVEs: CVE-2023-32307 CVE-2022-31001 CVE-2022-31002 CVE-2022-31003 CVE-2022-47516 CVE-2023-22741 Upstream summary: Xu Biang discovered that Sofia-SIP did not properly manage memory when handling STUN packets. An attacker could use this […]

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Oracle Linux 8 — cross-gcc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — cross-gcc — vulnerability — patch and remediation guide (ELSA-2023-28766)

🟢 Low   ⏱ 5–15 min  Last verified: 21 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-28766 Related CVEs: CVE-2023-4039 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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Gentoo Linux — net-print/cups — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-print/cups — multiple vulnerabilities (4 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-202402-17 Related CVEs: CVE-2022-26691 CVE-2023-4504 CVE-2023-32324 CVE-2023-34241 Upstream summary: Multiple vulnerabilities have been discovered in CUPS. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment […]

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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-2022-10079)

🟠 High   ⏱ 15–60 min  Last verified: 21 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-10079 Related CVEs: CVE-2022-3565 CVE-2022-2602 CVE-2022-4378 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 — libpq — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libpq — vulnerability — patch and remediation guide (ELSA-2023-6429)

🟢 Low   ⏱ 5–15 min  Last verified: 21 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6429 Related CVEs: CVE-2022-41862 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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Oracle Linux 8 — istio — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — istio — vulnerability — patch and remediation guide (ELSA-2023-12014)

🟠 High   ⏱ 15–60 min  Last verified: 21 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12014 Related CVEs: CVE-2022-39278 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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Oracle Linux 8 — glibc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — glibc — vulnerability — patch and remediation guide (ELSA-2023-12872)

🟠 High   ⏱ 15–60 min  Last verified: 21 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12872 Related CVEs: CVE-2023-4813 CVE-2023-4806 CVE-2023-4527 CVE-2023-4911 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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How to Configure Windows Server 2022 Backup and Recovery — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 Backup and Recovery

Understanding Windows Update on Server 2022 Keeping Windows Server 2022 up to date is one of the most fundamental security and stability responsibilities of any system administrator. Microsoft releases cumulative updates for Windows Server 2022 on the second Tuesday of each month (Patch Tuesday), with additional out-of-band security updates released as needed for critical vulnerabilities. […]

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