Troubleshooting

openSUSE Tumbleweed — spice-vdagent — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — spice-vdagent — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2018:0372-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-15108 CVE-2020-25650 Upstream summary: spice-vdagent up to and including 0.17.0 does not properly escape save directory before passing to shell, allowing local attacker with access […]

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How to Configure File System Quotas on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure File System Quotas on Debian 10

Introduction This guide explains how to Configure File System Quotas on Debian 10 on Debian 10 Buster. Debian Buster uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 10 install with the […]

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

openSUSE Tumbleweed — links — 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-2017-11114 Upstream summary: The put_chars function in html_r.c in Twibright Links 2.14 allows remote attackers to cause a denial of service (buffer over-read) via a […]

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How to Configure Kerberos Constrained Delegation on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Kerberos Constrained Delegation on Windows Server 2012 R2

How to Configure Kerberos Constrained Delegation on Windows Server 2012 R2 Kerberos delegation allows a service running under a specific account to impersonate a user and access other network resources on their behalf. Unconstrained delegation is dangerous because a compromised account can be used to impersonate any user to any service in the domain. Constrained […]

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openSUSE Tumbleweed — ed25519-java — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ed25519-java — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14892-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-36843 Upstream summary: The implementation of EdDSA in EdDSA-Java (aka ed25519-java) through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA (Strong Existential Unforgeability […]

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FreeBSD 12 — kdenetwork — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — kdenetwork — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libgadu — multiple vulnerabilities Related CVEs: CVE-2005-1850 CVE-2005-1851 CVE-2005-1852 CVE-2005-2369 CVE-2005-2370 CVE-2005-2448 Upstream summary: Wojtek Kaniewski reports: Multiple vulnerabilities have been found in libgadu, a library for handling Gadu-Gadu instant […]

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FreeBSD 12 — haproxy — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — haproxy — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: HAproxy — serious vulnerability affecting the HPACK decoder used for HTTP/2 Related CVEs: CVE-2012-2391 CVE-2015-3281 CVE-2016-5360 CVE-2020-11100 Upstream summary: The HAproxy Project reports: The main driver for this release is […]

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How to Set Up Windows Server 2019 Container Networking — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 Container Networking

How to Set Up Windows Server 2019 Container Networking Container networking on Windows Server 2019 enables isolated network communication for Windows containers and Hyper-V containers. The Host Networking Service (HNS) manages the underlying networking layer, creating virtual switches, endpoints, and network policies for containers. Windows Server 2019 supports multiple network drivers including nat, transparent, overlay, […]

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openSUSE Tumbleweed — kubernetes-etcd — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — kubernetes-etcd — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:0554-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-1002105 CVE-2017-1002101 CVE-2019-11247 CVE-2019-11249 CVE-2019-11253 Upstream summary: In all Kubernetes versions prior to v1.10.11, v1.11.5, and v1.12.3, incorrect handling of error responses to proxied upgrade […]

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Common Problems 118467

Ubuntu 16.04 LTS high CPU usage by kworker threads

🟡 Medium   ⏱ 5–30 min  Last verified: 3 February 2020 📖 ~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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