Linux

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

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-3847)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3847 Related CVEs: CVE-2023-28466 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Common Problems 117407

Ubuntu 20.04 Wi-Fi Adapter Not Detected

🟡 Medium   ⏱ 5–30 min  Last verified: 8 October 2020 📖 ~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 […]

Read more
Common Problems 115405

RHEL 7 systemctl Service Fails With Dependency Job Error

🟠 High   ⏱ 5–30 min  Last verified: 8 October 2020 Affected versions: RHEL 7 📖 ~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 & […]

Read more
Gentoo Linux — sci-mathematics/cgal — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sci-mathematics/cgal — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202305-34 Related CVEs: CVE-2020-28601 CVE-2020-28602 CVE-2020-28603 CVE-2020-28604 CVE-2020-28605 CVE-2020-28606 CVE-2020-28607 CVE-2020-28608  +12 more Upstream summary: Multiple vulnerabilities have been discovered in CGAL. Please review the CVE identifiers referenced below for details. Table […]

Read more
Ubuntu 16.04 — coturn — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — coturn — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 October 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4690-1 Related CVEs: CVE-2020-26262 CVE-2020-4067 CVE-2020-6061 CVE-2020-6062 Upstream summary: It was discovered that coTURN allowed peers to connect and relay packets to loopback addresses in the range of 127.x.x.x. A […]

Read more
How to Install Nginx on FreeBSD 11.2 — step-by-step Linux tutorial on Progressive Robot

How to Install Nginx on FreeBSD 11.2

Nginx is one of the most popular web servers in the world known for its frequent use as a load balancer and reverse proxy. Many of the largest and most highly trafficked sites on the internet depend on Nginx, at least in part due to its resource-friendliness.

Read more
Debian 10 — ruby-loofah — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — ruby-loofah — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 October 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-15587 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Oracle Linux 8 — edk2 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — edk2 — security and stability fixes — required update (ELSA-2023-6919)

🟡 Medium   ⏱ 10–30 min  Last verified: 7 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6919 Related CVEs: CVE-2019-14560 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Ubuntu 20.04 — ardour — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ardour — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 October 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5110-1 Related CVEs: CVE-2020-22617 Upstream summary: It was discovered that Ardour incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary […]

Read more
CHAT