Common Problems

openSUSE Tumbleweed — bcel — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — bcel — vulnerability — 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-2022:4306-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-42920 Upstream summary: Apache Commons BCEL has a number of APIs that would normally only allow changing specific class characteristics. However, due to an out-of-bounds […]

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Ubuntu 22.04 — graphite-web — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — graphite-web — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 November 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6243-1 Related CVEs: CVE-2017-18638 CVE-2022-4728 CVE-2022-4729 CVE-2022-4730 Upstream summary: It was discovered that Graphite-Web incorrectly handled certain inputs. If a user or an automated system were tricked into opening a […]

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IBM AIX 7.3 — CVE-2007-4796 — buffer overflow — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2007-4796 — buffer overflow — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 17 November 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2007-4796, IBM Support Bulletin CVE: CVE-2007-4796 NVD summary: Buffer overflow in uucp in bos.net.uucp in IBM AIX 5.2 and 5.3 allows local users to gain privileges via unspecified vectors. References: secunia.com/advisories/26715   […]

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Debian 11 — libxml2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libxml2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0110 CVE-2004-0989 CVE-2007-6284 CVE-2008-3281 CVE-2008-3529 CVE-2008-4225 CVE-2008-4226 CVE-2009-2414  +12 more Upstream summary: Buffer overflow in the (1) nanohttp or (2) nanoftp modules in XMLSoft Libxml 2 (Libxml2) 2.6.0 […]

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Common Problems 118016

Ubuntu 18.04 LTS – persistent high iowait caused by background apt jobs – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 16 November 2022 Affected versions: Ubuntu 18.04 LTS 📖 ~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 116934

Ubuntu 22.04 LTS UFW Blocks SSH After Firewall Enable

🟡 Medium   ⏱ 5–30 min  Last verified: 16 November 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 & Cross-Refs References & Further […]

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FreeBSD 13 — prometheus — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — prometheus — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 November 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: prometheus2 — basic authentication bypass Related CVEs: CVE-2021-29622 CVE-2022-46146 Upstream summary: Prometheus team reports: Prometheus and its exporters can be secured by a web.yml file that specifies usernames and hashed […]

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Common Problems 111745

Windows Server 2022 AD SYSVOL Replication Lag Causes GPO Drift – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 November 2022 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 — hivex — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — hivex — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-9273 CVE-2021-3504 CVE-2021-3622 Upstream summary: lib/handle.c in Hivex before 1.3.11 allows local users to execute arbitrary code and gain privileges via a small hive files, which triggers an […]

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