chris

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)

  • January 4, 2022
  • Linux
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🟠 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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FreeBSD 13 — ap24-mod_fcgid — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ap24-mod_fcgid — vulnerability — patch and remediation guide

  • January 4, 2022
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 4 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mod_fcgid — possible heap buffer overwrite Related CVEs: CVE-2013-4365 Upstream summary: Apache Project reports: Fix possible heap buffer overwrite. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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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

  • January 4, 2022
  • CentOS
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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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FreeBSD 13 — mod_security — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mod_security — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • January 4, 2022
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 4 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: www/mod_security — NULL pointer dereference DoS Related CVEs: CVE-2013-1915 CVE-2013-2765 Upstream summary: SecurityFocus reports: When ModSecurity receives a request body with a size bigger than the value set by the […]

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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

  • January 4, 2022
  • Linux
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🟡 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

  • January 4, 2022
  • Linux
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🟢 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

  • January 4, 2022
  • Linux
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🟡 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

  • January 4, 2022
  • Linux
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🟢 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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How to Configure Ceph Cluster on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Ceph Cluster on SLES 12

Introduction This tutorial covers How to Configure Ceph Cluster on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh […]

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Debian 11 — python-os-vif — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-os-vif — vulnerability — patch and remediation guide

  • January 4, 2022
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 4 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-15753 Upstream summary: In OpenStack os-vif 1.15.x before 1.15.2, and 1.16.0, a hard-coded MAC aging time of 0 disables MAC learning in linuxbridge, forcing obligatory Ethernet flooding of […]

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