Operations

Common Problems 111775

Windows Server 2022 Firewall GPO Rule Precedence Breaks Management Access – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 12 January 2023 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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Debian 11 — libao — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libao — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-11548 Upstream summary: The _tokenize_matrix function in audio_out.c in Xiph.Org libao 1.2.0 allows remote attackers to cause a denial of service (memory corruption) via a crafted MP3 file. […]

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Debian 11 — mp3gain — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mp3gain — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0577 CVE-2004-0805 CVE-2004-0991 CVE-2006-1655 CVE-2017-12911 CVE-2017-12912 CVE-2017-14406 CVE-2017-14407  +11 more Upstream summary: mpg123 0.59r allows remote attackers to cause a denial of service and possibly execute arbitrary code […]

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openSUSE Tumbleweed — rust1.62 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — rust1.62 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:2423-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-36113 CVE-2022-36114 Upstream summary: Cargo is a package manager for the rust programming language. After a package is downloaded, Cargo extracts its source code in […]

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Ubuntu 20.04 — libcaca — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libcaca — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 January 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7943-1 Related CVEs: CVE-2022-0856 CVE-2021-30498 CVE-2021-30499 CVE-2021-3410 Upstream summary: Han Zheng discovered that libcaca incorrectly handled certain images. An attacker could possibly use this issue to cause libcaca to crash. […]

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How to Set Up Windows Defender Application Control on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Defender Application Control on Windows Server 2022

Software Deployment via Group Policy Overview Group Policy Software Installation (GPSI) is a built-in Windows Server feature that lets administrators deploy software to computers or users across the domain without requiring a third-party tool. It relies on Windows Installer (.msi) packages and can install, update, or remove software based on Group Policy application. While it […]

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Common Problems 114633

chronyd Not Syncing Time on RHEL 9 edition

🟡 Medium   ⏱ 5–30 min  Last verified: 12 January 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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Ubuntu 20.04 — tmux — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — tmux — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 January 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5843-1 Related CVEs: CVE-2022-47016 CVE-2020-27347 Upstream summary: It was discovered that tmux incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. Table […]

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Ubuntu 14.04 — strongswan — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — strongswan — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 January 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5651-2 Related CVEs: CVE-2022-40617 CVE-2021-45079 CVE-2021-41991 CVE-2018-17540 CVE-2018-10811 CVE-2018-16151 CVE-2018-16152 CVE-2018-5388  +6 more Upstream summary: USN-5651-1 fixed a vulnerability in strongSwan. This update provides the corresponding update for Ubuntu 14.04 […]

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