Linux

Common Problems 117508

Ubuntu 20.04 LTS – cloud-init stalls and first boot never completes

🟠 High   ⏱ 5–30 min  Last verified: 16 January 2022 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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 […]

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Gentoo Linux — xfce-base/thunar — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — xfce-base/thunar — 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-202402-20 Related CVEs: CVE-2021-32563 Upstream summary: A vulnerability has been discovered in Thunar. Please review the CVE identifier referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]

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

Debian 11 — gpicview — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-3791 CVE-2008-3904 Upstream summary: src/main-win.c in GPicView 0.1.9 in Lightweight X11 Desktop Environment (LXDE) allows local users to overwrite arbitrary files via a symlink attack on the /tmp/rot.jpg […]

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Debian 11 — smartlist — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — smartlist — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0157 Upstream summary: The confirm add-on in SmartList 3.15 and earlier allows attackers to subscribe arbitrary e-mail addresses by using a valid cookie that specifies an address other […]

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openSUSE Tumbleweed — HyperKitty-web — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — HyperKitty-web — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-25322 CVE-2021-33038 CVE-2021-35057 Upstream summary: A UNIX Symbolic Link (Symlink) Following vulnerability in python-HyperKitty of openSUSE Leap 15.2, Factory allows local attackers to escalate privileges […]

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Debian 11 — rpm — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rpm — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2096 CVE-2005-4889 CVE-2006-5466 CVE-2010-2059 CVE-2010-2197 CVE-2010-2198 CVE-2010-2199 CVE-2011-3378  +12 more Upstream summary: zlib 1.2 and later versions allows remote attackers to cause a denial of service (crash) via […]

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Oracle Linux 8 — kvm_utils2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kvm_utils2 — vulnerability — patch and remediation guide (ELSA-2022-9862)

🟠 High   ⏱ 15–60 min  Last verified: 16 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9862 Related CVEs: CVE-2022-0216 CVE-2022-26353 CVE-2021-4206 CVE-2021-4207 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Oracle Linux 8 — php:7.4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — php:7.4 — vulnerability — patch and remediation guide (ELSA-2022-6158)

🟡 Medium   ⏱ 10–30 min  Last verified: 16 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6158 Related CVEs: CVE-2022-31625 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 — container-tools:ol8 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:ol8 — security and stability fixes — required update (ELSA-2020-1379)

🟠 High   ⏱ 15–60 min  Last verified: 15 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1379 Related CVEs: CVE-2020-8608 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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