Common Problems

Oracle Linux 8 — glibc security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — glibc security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4444)

🟡 Medium   ⏱ 10–30 min  Last verified: 22 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4444 Related CVEs: CVE-2020-1752 CVE-2020-1751 CVE-2020-10029 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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IBM AIX 7.2 — CVE-2020-4761 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2020-4761 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 22 February 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2020-4761, IBM Support Bulletin CVE: CVE-2020-4761 NVD summary: IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 5.2.6.5_2, 6.0.0.0 through 6.0.3.2, and 6.1.0.0 could allow a remote attacker to obtain sensitive information when […]

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Common Problems 114964

RHEL 8 Root Filesystem Full on LVM-backed Server

🟡 Medium   ⏱ 5–30 min  Last verified: 22 February 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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IBM AIX 7.1 — CVE-2021-29815 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2021-29815 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 22 February 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-29815, IBM Support Bulletin CVE: CVE-2021-29815 NVD summary: IBM Jazz for Service Management 1.1.3.10 and IBM Tivoli Netcool/OMNIbus_GUI is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript […]

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SLES 12 — pacemaker — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — pacemaker — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 February 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:3054-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-25654 CVE-2010-2496 CVE-2018-16877 CVE-2015-1867 CVE-2016-7035 CVE-2016-7797 CVE-2018-16878 CVE-2019-3885 Upstream summary: An ACL bypass flaw was found in pacemaker. An attacker having a local account on […]

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Oracle Linux 8 — tigervnc security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — tigervnc security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-1783)

🟡 Medium   ⏱ 10–30 min  Last verified: 21 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1783 Related CVEs: CVE-2020-26117 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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Common Problems 117495

GNOME Login Loop After Disk Full

🟠 High   ⏱ 5–30 min  Last verified: 21 February 2021 Affected versions: 20.04 📖 ~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 […]

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Common Problems 112503

Windows Server 2019 — BGP route flapping between edge peers and RRAS gateway impacts WAN stability — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 21 February 2021 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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Gentoo Linux — sys-apps/fwupd — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-apps/fwupd — 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-202007-04 Related CVEs: CVE-2020-10759 Upstream summary: Multiple vulnerabilities have been discovered in fwupd and libjcat. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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Debian 10 — screen — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — screen — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 February 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-26937 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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