Common Problems

Oracle Linux 8 — python-cryptography security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python-cryptography security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-1608)

🟡 Medium   ⏱ 10–30 min  Last verified: 18 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1608 Related CVEs: CVE-2020-36242 CVE-2020-25659 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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Common Problems 117551

Ubuntu 20.04 LTS – time sync unstable due to chrony and systemd-timesyncd conflict – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 18 July 2021 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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AlmaLinux 8 — kbd — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — kbd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2020:4580 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 115537

SELinux Blocks Custom App Port Binding

🟡 Medium   ⏱ 5–30 min  Last verified: 18 July 2021 📖 ~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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AlmaLinux 8 — qt5-qtgraphicaleffects — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — qt5-qtgraphicaleffects — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4172 Related CVEs: CVE-2021-3481 Upstream summary: Qt is a software toolkit for developing applications. The following packages have been upgraded to a later upstream version: adwaita-qt (1.2.1), python-qt5 (5.15.0), qgnomeplatform (0.7.1), qt5 […]

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FreeBSD 13 — gpgme — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — gpgme — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gpgme — heap-based buffer overflow in gpgsm status handler Related CVEs: CVE-2014-3564 Upstream summary: Tomas Trnka reports: Gpgme contains a buffer overflow in the gpgsm status handler that could possibly […]

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FreeBSD 13 — logstash-forwarder — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — logstash-forwarder — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: logstash-forwarder and logstash — susceptibility to POODLE vulnerability Upstream summary: Elastic reports: The combination of Logstash Forwarder and Lumberjack input (and output) was vulnerable to the POODLE attack in SSLv3 […]

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AlmaLinux 8 — openblas — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — openblas — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:7639 Related CVEs: CVE-2021-4048 Upstream summary: OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version. Security Fix(es): * lapack: Out-of-bounds read in *larrv (CVE-2021-4048) For more details about the […]

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FreeBSD 12 — py310-nicotine-plus — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py310-nicotine-plus — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 July 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-nicotine-plus — Denial of service vulnerability Related CVEs: CVE-2021-45848 Upstream summary: ztauras reports: Denial of service (DoS) vulnerability in Nicotine+ starting with version 3.0.3 and prior to version 3.2.1 allows […]

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Arch Linux — ppp — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — ppp — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202003-3 Related CVEs: CVE-2020-8597 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 2.4.7-6. Fixed in: 2.4.7-7. Group: AVG-1101. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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