Common Problems

Common Problems 115076

RHEL 8 rsyslog Not Forwarding Logs To Remote SIEM

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 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 112634

Windows Server 2019 — AAD Connect sync conflict on user attribute causes export error — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 July 2019 Affected versions: Windows Server 2019 📖 ~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 Errors […]

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FreeBSD 12 — avahi-libdns — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — avahi-libdns — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: avahi — denial of service Related CVEs: CVE-2010-2244 CVE-2011-1002 Upstream summary: Avahi developers reports: A vulnerability has been reported in Avahi, which can be exploited by malicious people to cause […]

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Common Problems 112404

Windows Server 2019 — Chocolatey package install fails due to TLS 1.2 handshake error — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 July 2019 Affected versions: Windows Server 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 […]

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FreeBSD 12 — php71-gd — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php71-gd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php-gd and gd — Buffer over-read into uninitialized memory Related CVEs: CVE-2017-7890 Upstream summary: PHP developers report: The GIF decoding function gdImageCreateFromGifCtx in gd_gif_in.c in the GD Graphics Library (aka […]

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Ubuntu 16.04 — commons-beanutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — commons-beanutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 July 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4766-1 Related CVEs: CVE-2014-0114 CVE-2019-10086 Upstream summary: It was discovered that Apache Commons BeanUtils improperly handled certain input. An attacker could possibly use this vulnerability to cause a crash or […]

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

openSUSE Tumbleweed — xlockmore — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2013-4143 Upstream summary: The (1) checkPasswd and (2) checkGroupXlockPasswds functions in xlockmore before 5.43 do not properly handle when a NULL value is returned upon […]

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FreeBSD 12 — clamav — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — clamav — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: clamav — ClamAV UDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability Related CVEs: CVE-2004-0270 CVE-2005-0133 CVE-2005-1922 CVE-2005-1923 CVE-2005-2919 CVE-2005-2920 CVE-2006-0162 CVE-2006-1614  +12 more Upstream summary: Cisco reports: A vulnerability in […]

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Common Problems 115599

RHEL 7 swap not activated at boot due to incorrect UUID in fstab

🟡 Medium   ⏱ 5–30 min  Last verified: 29 July 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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Common Problems 115039

RHEL 8 – NFS Mount Access Denied by firewalld and SELinux Policy

🟡 Medium   ⏱ 5–30 min  Last verified: 29 July 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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