Common Problems

SLES 15 — libsaml9 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libsaml9 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 November 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2017:3234-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-16853 Upstream summary: The DynamicMetadataProvider class in saml/saml2/metadata/impl/DynamicMetadataProvider.cpp in OpenSAML-C in OpenSAML before 2.6.1 fails to properly configure itself with the MetadataFilter plugins and does […]

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Oracle Linux 8 — mysql:8.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — mysql:8.0 — vulnerability — patch and remediation guide (ELSA-2019-2511)

🟠 High   ⏱ 15–60 min  Last verified: 7 November 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-2511 Related CVEs: CVE-2019-2420 CVE-2019-2495 CVE-2019-2532 CVE-2019-2581 CVE-2019-2810 CVE-2019-2815 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 118562

Ubuntu 16.04 Nginx Returns 502 Bad Gateway with PHP-FPM

🟡 Medium   ⏱ 5–30 min  Last verified: 6 November 2019 📖 ~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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Common Problems 115569

RHEL 7 boots old kernel after yum update due to grub default mismatch

🟡 Medium   ⏱ 5–30 min  Last verified: 6 November 2019 Affected versions: RHEL 7 📖 ~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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openSUSE Tumbleweed — apache-commons-daemon — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — apache-commons-daemon — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2011:1062-1 (see also SUSE bugzilla) Related CVEs: CVE-2011-2729 Upstream summary: native/unix/native/jsvc-unix.c in jsvc in the Daemon component 1.0.3 through 1.0.6 in Apache Commons, as used in Apache Tomcat 5.5.32 through 5.5.33, 6.0.30 […]

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Common Problems 113021

Windows Server 2016 — SCCM Patch Deadline Missed Because WUA Service Is Disabled — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 November 2019 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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FreeBSD 12 — sendmail — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — sendmail — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 November 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: sendmail — race condition vulnerability Related CVEs: CVE-2006-0058 Upstream summary: Problem Description A race condition has been reported to exist in the handling by sendmail of asynchronous signals. Impact A […]

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SLES 12 — libwsman1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libwsman1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 November 2019 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:0654-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-3816 CVE-2019-3833 Upstream summary: Openwsman, versions up to and including 2.6.9, are vulnerable to arbitrary file disclosure because the working directory of openwsmand daemon was […]

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Arch Linux — libusbmuxd — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libusbmuxd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201706-5 Related CVEs: CVE-2016-5104 Upstream summary: Type: access restriction bypass. Status: Fixed. Affected: 1.0.10-1. Fixed in: 1.0.10-2. Group: AVG-7. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 115466

RHEL 7 systemctl daemon-reload Missing After Unit File Edit

🟡 Medium   ⏱ 5–30 min  Last verified: 5 November 2019 Affected versions: RHEL 7 📖 ~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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