Linux

Ubuntu 14.04 — musl — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — musl — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 March 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5990-1 Related CVEs: CVE-2019-14697 CVE-2020-28928 CVE-2014-3484 CVE-2015-1817 CVE-2016-8859 CVE-2017-15650 CVE-2018-1000001 Upstream summary: It was discovered that musl did not handle certain i386 math functions properly. An attacker could use this […]

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How To Set Up R on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up R on Ubuntu 14.04

R is a popular open source programming language that specializes in statistical computing and graphics. It is widely used by statisticians for developing statistical software and performing data analysis. One of R’s strengths is that it is highly and easily extensible by allowing users to author and submit their own packages. In this guide, we will learn how to set up R on a cloud servers running Ubuntu 14.04.

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Ubuntu 20.04 — linux-aws-5.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-aws-5.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 March 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5050-1 Related CVEs: CVE-2020-26558 CVE-2021-0129 CVE-2021-28691 CVE-2021-3564 CVE-2021-3573 CVE-2021-38208 CVE-2021-23134 CVE-2021-32399  +12 more Upstream summary: It was discovered that the bluetooth subsystem in the Linux kernel did not properly perform […]

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Common Problems 125154

Oracle Linux 8 – Common Problem 019 – Diagnosis and Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 28 March 2021 Affected versions: Oracle Linux 8 📖 ~3 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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Common Problems 118920

Ubuntu 14.04 LTS Stuck at GRUB Prompt After Kernel Cleanup

🟠 High   ⏱ 5–30 min  Last verified: 28 March 2021 Affected versions: 14.04 LTS 📖 ~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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openSUSE Tumbleweed — deluge — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — deluge — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-3427 CVE-2017-9031 Upstream summary: The Deluge Web-UI is vulnerable to XSS through a crafted torrent file. The the data from torrent files is not properly […]

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Common Problems 118045

Ubuntu 18.04 LTS – time drift causes TLS certificate validation errors

🟠 High   ⏱ 5–30 min  Last verified: 28 March 2021 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]

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Ubuntu 14.04 — dovecot — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — dovecot — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 March 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4674-2 Related CVEs: CVE-2020-25275 CVE-2020-12100 CVE-2020-12673 CVE-2020-12674 CVE-2019-11500 CVE-2019-7524 CVE-2019-3814 CVE-2017-14461  +3 more Upstream summary: USN-4674-1 fixed a vulnerability in Dovecot. This update provides the corresponding update for Ubuntu 14.04 […]

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Gentoo Linux — media-video/gpac — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-video/gpac — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202408-21 Related CVEs: CVE-2020-22673 CVE-2020-22674 CVE-2020-22675 CVE-2020-22677 CVE-2020-22678 CVE-2020-22679 CVE-2020-25427 CVE-2020-35979  +12 more Upstream summary: Multiple vulnerabilities have been discovered in GPAC. Please review the CVE identifiers referenced below for details. Table […]

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