Common Problems

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

Oracle Linux 9 — libtiff — vulnerability — patch and remediation guide (ELSA-2023-0302)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 October 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0302 Related CVEs: CVE-2022-2057 CVE-2022-2521 CVE-2022-2519 CVE-2022-2056 CVE-2022-2520 CVE-2022-2953 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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FreeBSD 13 — linux-seamonkey — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux-seamonkey — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 October 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mozilla — multiple vulnerabilities Related CVEs: CVE-2006-0749 CVE-2006-1045 CVE-2006-1529 CVE-2006-1530 CVE-2006-1531 CVE-2006-1723 CVE-2006-1724 CVE-2006-1725  +12 more Upstream summary: Mozilla Foundation reports: CVE-2019-11751: Malicious code execution through command line parameters CVE-2019-11746: […]

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Common Problems 120682

Debian 11 – Fail2ban Not Banning with nftables Backend – Jail Action Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 7 October 2022 Affected versions: Debian 11 📖 ~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 116999

Ubuntu 22.04 LTS – root filesystem is 100% and services become unstable

🔴 Critical   ⏱ 5–30 min  Last verified: 7 October 2022 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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FreeBSD 13 — libmysofa — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libmysofa — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 October 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libmysoft — Heap-based buffer overflow vulnerability Related CVEs: CVE-2021-3756 Upstream summary: Zhengjie Du reports: There are some heap-buffer-overflows in mysofa2json of libmysofa. They are in function loudness, mysofa_check and readOHDRHeaderMessageDataLayout. […]

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FreeBSD 13 — py38-ipython — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py38-ipython — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 October 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ipython — Execution with Unnecessary Privileges Related CVEs: CVE-2022-21699 Upstream summary: IPython project reports: IPython 8.0.1, 7.31.1 and 5.11 are security releases that change some default values in order to […]

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Common Problems 113625

Windows Server 2012 R2 — NIC Teaming failover delay creates transient packet blackholes in bonded interfaces — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 7 October 2022 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]

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Common Problems 113015

Windows Server 2016 – SChannel TLS handshake failures after cipher hardening – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 7 October 2022 Affected versions: Windows Server 2016 📖 ~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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