Common Problems

Common Problems 115072

RHEL 8 auditd Backlog Limit Exceeded and Events Lost

🟠 High   ⏱ 5–30 min  Last verified: 7 March 2023 Affected versions: 8.6 8.7 8.8 8.9 8.10 📖 ~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 […]

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Common Problems 111734

Windows Server 2022 — Hyper-V checkpoint merge remains stuck after abrupt host restart — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 7 March 2023 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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FreeBSD 12 — libvpx — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libvpx — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 March 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: electron{22,24,25} — Heap buffer overflow in vp8 encoding in libvpx Related CVEs: CVE-2014-1578 CVE-2015-4485 CVE-2015-4486 CVE-2015-4506 CVE-2023-5217 Upstream summary: Electron developers report: This update fixes the following vulnerability: Security: backported […]

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Oracle Linux 8 — python-dns — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python-dns — vulnerability — patch and remediation guide (ELSA-2024-3275)

🟡 Medium   ⏱ 10–30 min  Last verified: 7 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3275 Related CVEs: CVE-2023-29483 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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openSUSE Tumbleweed — apache-sshd — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — apache-sshd — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:0224-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-45047 Upstream summary: Class org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider in Apache MINA SSHD <= 2.9.1 uses Java deserialization to load a serialized java.security.PrivateKey. The class is one of several […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2022-9479)

🟠 High   ⏱ 15–60 min  Last verified: 7 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9479 Related CVEs: CVE-2022-23040 CVE-2022-23042 CVE-2022-1048 CVE-2021-4197 CVE-2022-1353 CVE-2022-23039 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 9 — runc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — runc — vulnerability — patch and remediation guide (ELSA-2023-6380)

🟡 Medium   ⏱ 10–30 min  Last verified: 7 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6380 Related CVEs: CVE-2021-43784 CVE-2023-27561 CVE-2023-28642 CVE-2023-25809 CVE-2022-41724 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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Oracle Linux 9 — Kernel Issues — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Kernel Issues (9-KERNEL-ISSUES)

🟠 High   ⏱ 5–30 min  Last verified: 6 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: Oracle Bug OLRNT-ol9-issues-kernel 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 […]

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Windows Server 2022 — KB5031989 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5031989 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5031989 • MSRC update-guide entry Related CVEs: CVE-2023-36560 CVE-2023-36049 Affected components: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation) Table of contents Symptom & Impact […]

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Debian 11 — node-sqlite3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-sqlite3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 March 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-21227 CVE-2022-43441 Upstream summary: The package sqlite3 before 5.0.3 are vulnerable to Denial of Service (DoS) which will invoke the toString function of the passed parameter. If passed […]

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