Linux

Common Problems 121171

Debian 10 – KVM Bridge Networking Stops Passing Traffic – Host Bridge Repair

🟠 High   ⏱ 5–30 min  Last verified: 26 May 2020 Affected versions: Debian 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 Related Errors & […]

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Alpine Linux edge — antiword — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — antiword — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.37-r3 📖 ~4 min read  •  Source: Alpine secdb entry — antiword 0.37-r3 Related CVEs: CVE-2014-8123 Upstream summary: Alpine community repository for vedge ships antiword 0.37-r3 which addresses CVE-2014-8123. Table of contents Symptom & Impact Environment […]

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openSUSE Tumbleweed — qpdf — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — qpdf — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2018:3066-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-11625 CVE-2017-11627 CVE-2017-9209 CVE-2017-12595 Upstream summary: A stack-consumption vulnerability was found in libqpdf in QPDF 6.0.0, which allows attackers to cause a denial of service […]

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How to Upgrade from Debian 9 to Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Upgrade from Debian 9 to Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up upgrade from debian 9 to debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]

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Gentoo Linux — net-proxy/haproxy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-proxy/haproxy — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202004-01 Related CVEs: CVE-2019-19330 CVE-2020-11100 Upstream summary: It was discovered that HAProxy incorrectly handled certain HTTP/2 headers. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Ubuntu 16.04 — zoneminder — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — zoneminder — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 May 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5889-1 Related CVEs: CVE-2019-6777 CVE-2019-6990 CVE-2019-6991 CVE-2019-6992 CVE-2019-7325 CVE-2019-7326 CVE-2019-7327 CVE-2019-7328  +5 more Upstream summary: It was discovered that ZoneMinder was not properly sanitizing URL parameters for certain views. An […]

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SLES 15 — file-roller — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — file-roller — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 May 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:0032-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-36314 CVE-2019-16680 CVE-2020-11736 Upstream summary: fr-archive-libarchive.c in GNOME file-roller through 3.38.0, as used by GNOME Shell and other software, allows Directory Traversal during extraction because […]

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

Oracle Linux 8 — SDL — vulnerability — patch and remediation guide (ELSA-2020-4627)

🟡 Medium   ⏱ 10–30 min  Last verified: 26 May 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4627 Related CVEs: CVE-2019-7636 CVE-2019-7576 CVE-2019-7572 CVE-2019-7638 CVE-2019-7635 CVE-2019-7637 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 8 — dbus — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dbus — vulnerability — patch and remediation guide (ELSA-2020-3014)

🟠 High   ⏱ 15–60 min  Last verified: 26 May 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3014 Related CVEs: CVE-2020-12049 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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