January 2023 - Page 39 of 71

Ubuntu 22.04 — openstack-trove — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — openstack-trove — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 January 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6245-1 Related CVEs: https://launchpad.net/bugs/2028680 Upstream summary: Adam Bell discovered that Trove incorrectly handled arguments to the backup command. A remote attacker could possibly use this issue to execute arbitrary code. […]

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CentOS Stream 9 — harfbuzz — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — harfbuzz — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 January 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:2410 Related CVEs: CVE-2023-25193 CVE-2022-33068 Upstream summary: HarfBuzz is an implementation of the OpenType Layout engine. Security Fix(es): * harfbuzz: allows attackers to trigger O(n^2) growth via consecutive marks (CVE-2023-25193) For […]

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Oracle Linux 8 — zlib — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — zlib — vulnerability — patch and remediation guide (ELSA-2022-7106)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7106 Related CVEs: CVE-2022-37434 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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openSUSE Tumbleweed — finch — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — finch — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:1664-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-26491 CVE-2008-2927 CVE-2009-2694 CVE-2010-0013 CVE-2011-3594 CVE-2012-6152 CVE-2017-2640 CVE-2008-2955  +12 more Upstream summary: An issue was discovered in Pidgin before 2.14.9. A remote attacker who can […]

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Oracle Linux 9 — libtasn1 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libtasn1 — vulnerability — patch and remediation guide (ELSA-2023-0343)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0343 Related CVEs: CVE-2021-46848 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 — emacs — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — emacs — vulnerability — patch and remediation guide (ELSA-2023-7083)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7083 Related CVEs: CVE-2022-48339 CVE-2022-48337 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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How to Set Up DirectAccess on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up DirectAccess on Windows Server 2022

Why PowerShell Logging Matters for Security PowerShell is the most powerful scripting environment on Windows Server 2022, and that power makes it a favourite tool for both administrators and attackers. Malware, ransomware loaders, and post-exploitation frameworks such as Empire, Cobalt Strike, and Metasploit all leverage PowerShell heavily. Without logging, PowerShell activity is largely invisible — […]

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Red Hat Enterprise Linux 7 — perl — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 7

Red Hat Enterprise Linux 7 — perl — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 7 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:0079 Related CVEs: CVE-2023-31484 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Common Problems 111828

Windows Server 2022 — SQL Server backup jobs fail due VSS writer unstable state — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 15 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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Common Problems 116889

Ubuntu 22.04 LTS – apt update fails because dpkg lock is held

🟠 High   ⏱ 5–30 min  Last verified: 14 January 2023 Affected versions: Ubuntu 22.04 LTS Ubuntu 22.04 Ubuntu 22.04.4 📖 ~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 […]

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