Linux

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

Oracle Linux 9 — libinput — vulnerability — patch and remediation guide (ELSA-2022-5257)

🟡 Medium   ⏱ 10–30 min  Last verified: 26 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5257 Related CVEs: CVE-2022-1215 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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Alpine Linux 3.18 — patch — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — patch — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 2.7.6-r7 📖 ~4 min read  •  Source: Alpine secdb entry — patch 2.7.6-r7 Related CVEs: CVE-2019-20633 CVE-2018-1000156 CVE-2019-13638 CVE-2018-20969 CVE-2019-13636 CVE-2018-6952 CVE-2018-6951 Upstream summary: Alpine main repository for vv3.18 ships patch 2.7.6-r7 which addresses CVE-2019-20633. Table […]

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AlmaLinux 9 — doxygen — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — doxygen — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:1329 Related CVEs: CVE-2020-11023 Upstream summary: Doxygen can generate an online class browser (in HTML) and/or a reference manual (in LaTeX) from a set of documented source files. The documentation is extracted […]

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Oracle Linux 9 — dhcp security and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — dhcp security and — enhancement update — new behaviour and fixes (ELSA-2023-2502)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2502 Related CVEs: CVE-2022-2928 CVE-2022-2929 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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Ubuntu 18.04 — postfixadmin — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — postfixadmin — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6550-1 Related CVEs: CVE-2022-29221 CVE-2022-31129 CVE-2023-28447 Upstream summary: It was discovered that Smarty, that is integrated in the PostfixAdmin code, was not properly sanitizing user input when generating templates. An […]

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Common Problems 117482

Ubuntu 20.04 LTS – root filesystem remounts read-only after ext4 journal errors – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 25 May 2023 Affected versions: Ubuntu 20.04 LTS 📖 ~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 — qemu — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — qemu — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 8.0.2-r1 📖 ~4 min read  •  Source: Alpine secdb entry — qemu 8.0.2-r1 Related CVEs: CVE-2023-2861 CVE-2023-0330 CVE-2022-2962 CVE-2022-3165 CVE-2021-4158 CVE-2020-35503 CVE-2021-3507 CVE-2021-3544  +12 more Upstream summary: Alpine community repository for vedge ships qemu 8.0.2-r1 which […]

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openSUSE Tumbleweed — python39-bottle — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python39-bottle — multiple vulnerabilities (2 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-2022:3103-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-31799 CVE-2020-28473 Upstream summary: Bottle before 0.12.20 mishandles errors during early request binding. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Oracle Linux 8 — postgresql:12 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — postgresql:12 — vulnerability — patch and remediation guide (ELSA-2022-7128)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7128 Related CVEs: CVE-2022-2625 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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