Common Problems

SLES 15 — openconnect — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — openconnect — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 January 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2013-7098 CVE-2012-6128 CVE-2019-16239 CVE-2020-12105 CVE-2020-12823 CVE-2018-20319 CVE-2012-3291 Upstream summary: OpenConnect VPN client with GnuTLS before 5.02 contains a heap overflow if MTU is increased on […]

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Oracle Linux 8 — nodejs:14 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nodejs:14 — security and stability fixes — required update (ELSA-2022-6448)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6448 Related CVEs: CVE-2022-32213 CVE-2022-32212 CVE-2022-33987 CVE-2022-32215 CVE-2022-32214 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 118117

Ubuntu 18.04 LTS – cron jobs fail silently due to environment path mismatch – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 8 January 2021 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 112437

Windows Server 2019 – Hyper-V vmswitch driver fails to bind after NIC update – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 January 2021 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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Oracle Linux 8 — bind — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — bind — vulnerability — patch and remediation guide (ELSA-2021-0670)

🟠 High   ⏱ 15–60 min  Last verified: 8 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0670 Related CVEs: CVE-2020-8625 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 — openssh security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — openssh security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2019-3702)

🟡 Medium   ⏱ 10–30 min  Last verified: 7 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3702 Related CVEs: CVE-2019-6109 CVE-2019-6111 CVE-2018-20685 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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Common Problems 115055

RHEL 8 auditd Backlog Limit Exceeded Messages

🟡 Medium   ⏱ 5–30 min  Last verified: 7 January 2021 📖 ~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 113479

Windows Server 2012 R2 – SmartScreen blocking unsigned internal installers – Fix & Prevention

🟢 Low   ⏱ 5–30 min  Last verified: 7 January 2021 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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Alpine Linux edge — nrpe — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — nrpe — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 4.0.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — nrpe 4.0.0-r0 Related CVEs: CVE-2020-6581 CVE-2020-6582 Upstream summary: Alpine main repository for vedge ships nrpe 4.0.0-r0 which addresses CVE-2020-6581. Table of contents Symptom & Impact […]

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Gentoo Linux — dev-libs/icu — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-libs/icu — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202003-15 Related CVEs: CVE-2020-10531 Upstream summary: It was discovered that ICU’s UnicodeString::doAppend() function is vulnerable to an integer overflow. Please review the CVE identifiers referenced below for more details. Table of contents […]

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