Logging Monitoring

How to Automate Oracle Linux 8 with Ansible — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Automate Oracle Linux 8 with Ansible

Introduction Setting up automate oracle linux 8 with ansible on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Automate Oracle Linux 8 with Ansible, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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FreeBSD 13 — py37-pysaml — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py37-pysaml — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pysaml2 — multiple vulnerabilities Related CVEs: CVE-2021-21238 CVE-2021-21239 Upstream summary: pysaml2 Releases: Fix processing of invalid SAML XML documents – CVE-2021-21238 Fix unspecified xmlsec1 key-type preference – CVE-2021-21239 Table of […]

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FreeBSD 13 — openldap-sasl-server — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — openldap-sasl-server — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openldap — slapd acl selfwrite Security Issue Related CVEs: CVE-2006-4600 Upstream summary: Howard Chu reports: An ACL of the form 'access to dn.subtree="ou=groups, dc=example,dc=com" attr=member by * selfwrite' is intended […]

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AlmaLinux 8 — libwacom — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libwacom — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:1804 Related CVEs: CVE-2020-14344 CVE-2020-14345 CVE-2020-14346 CVE-2020-14347 CVE-2020-14360 CVE-2020-14361 CVE-2020-14362 CVE-2020-14363  +1 more Upstream summary: X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that […]

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Debian 10 — graphviz — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — graphviz — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 May 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-18032 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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Ubuntu 16.04 — libapache-session-ldap-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libapache-session-ldap-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 May 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6596-1 Related CVEs: CVE-2020-36658 Upstream summary: It was discovered that Apache::Session::LDAP incorrectly handled invalid X.509 certificates. If a user or an automated system were tricked into opening a specially crafted […]

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Ubuntu 16.04 — software-properties — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — software-properties — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 May 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4457-1 Related CVEs: CVE-2020-15709 Upstream summary: Jason A. Donenfeld discovered that Software Properties incorrectly filtered certain escape sequences when displaying PPA descriptions. If a user were tricked into adding an […]

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

Oracle Linux 8 — freerdp — vulnerability — patch and remediation guide (ELSA-2020-2407)

🟠 High   ⏱ 15–60 min  Last verified: 24 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-2407 Related CVEs: CVE-2020-13398 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 — Output of modinfo command doesn't show retpoline support — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Output of modinfo command doesn’t show retpoline support

🟠 High   ⏱ 5–30 min  Last verified: 23 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 29894295 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 […]

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