Logging Monitoring

Ubuntu 16.04 — recutils — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — recutils — multiple vulnerabilities (13 CVEs) — patch and remediation guide

  • March 13, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 13 March 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7137-1 Related CVEs: CVE-2019-11637 CVE-2019-11638 CVE-2019-11639 CVE-2019-11640 CVE-2019-6455 CVE-2019-6456 CVE-2019-6457 CVE-2019-6458  +5 more Upstream summary: It was discovered that recutils incorrectly handled memory when parsing comments with the recparser utility. […]

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SLES 15 — libsepol2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libsepol2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • March 13, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 13 March 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-36085 CVE-2021-36086 CVE-2021-36087 Upstream summary: The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __verify_map_perm_classperms and hashtab_map). Table of contents Symptom […]

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Common Problems 112596

Windows Server 2019 – BitLocker boot-start filter driver delays startup – Fix and Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 13 March 2021 Affected versions: Windows Server 2019 📖 ~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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Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide (ELSA-2021-3816)

  • March 13, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 13 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3816 Related CVEs: CVE-2021-26691 CVE-2021-40438 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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Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide (ELSA-2020-4913)

  • March 13, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 13 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4913 Related CVEs: CVE-2020-15683 CVE-2020-15969 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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How to Configure Oracle Linux 8 for Edge Computing — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Oracle Linux 8 for Edge Computing

Introduction Setting up configure oracle linux 8 for edge computing on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Oracle Linux 8 for Edge Computing, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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SLES 12 — jdom — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — jdom — vulnerability — patch and remediation guide

  • March 13, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 13 March 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:712-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-33813 Upstream summary: An XXE issue in SAXBuilder in JDOM through 2.0.6 allows attackers to cause a denial of service via a crafted HTTP request. […]

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Debian 10 — php-pear — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — php-pear — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • March 13, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 13 March 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-28948 CVE-2020-36193 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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Alpine Linux edge — claws-mail — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — claws-mail — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • March 13, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.17.7-r0 📖 ~4 min read  •  Source: Alpine secdb entry — claws-mail 3.17.7-r0 Related CVEs: CVE-2020-16094 CVE-2020-15917 Upstream summary: Alpine community repository for vedge ships claws-mail 3.17.7-r0 which addresses CVE-2020-16094. Table of contents Symptom & Impact […]

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

Oracle Linux 8 — dpdk security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4806)

  • March 12, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 12 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4806 Related CVEs: CVE-2020-10722 CVE-2020-10723 CVE-2020-10726 CVE-2020-10725 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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