Linux

Oracle Linux 8 — python27:2.7 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python27:2.7 — vulnerability — patch and remediation guide (ELSA-2021-9128)

🟠 High   ⏱ 15–60 min  Last verified: 5 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9128 Related CVEs: CVE-2021-3177 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 — python38:3.8 and python38-devel:3.8 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python38:3.8 and python38-devel:3.8 — vulnerability — patch and remediation guide (ELSA-2021-4162)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4162 Related CVEs: CVE-2019-18874 CVE-2020-28493 CVE-2021-20095 CVE-2021-23336 CVE-2021-28957 CVE-2021-29921 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Debian 11 — pypy3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pypy3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-20107 CVE-2019-20907 CVE-2020-10735 CVE-2020-26116 CVE-2020-27619 CVE-2020-29651 CVE-2021-23336 CVE-2021-28861  +12 more Upstream summary: In Python (aka CPython) up to 3.10.8, the mailcap module does not add escape characters into […]

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Oracle Linux 8 — nodejs:14 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nodejs:14 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-1743)

🟠 High   ⏱ 15–60 min  Last verified: 4 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-1743 Related CVEs: CVE-2022-3517 CVE-2022-4904 CVE-2021-35065 CVE-2023-23920 CVE-2022-25881 CVE-2022-38900 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Set Up a Certificate Authority on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up a Certificate Authority on CentOS Stream 9

Introduction Setting up set up a certificate authority on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up a Certificate Authority on CentOS Stream 9, with all the commands you need, the SELinux and firewalld […]

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

AlmaLinux 8 — langtable — 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-2020:4774 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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Debian 11 — latex2rtf — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — latex2rtf — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-2167 CVE-2015-8106 Upstream summary: Multiple buffer overflows in LaTeX2rtf 1.9.15, and possibly other versions, allow remote attackers to execute arbitrary code via (1) the expandmacro function, and possibly […]

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Common Problems 114969

RHEL 8 – SELinux AVC Denial Blocks Custom Application Port

🟡 Medium   ⏱ 5–30 min  Last verified: 4 January 2022 📖 ~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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Debian 11 — pam-p11 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pam-p11 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16058 Upstream summary: An issue was discovered in the pam_p11 component 0.2.0 and 0.3.0 for OpenSC. If a smart card creates a signature with a length longer than […]

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