Linux

Common Problems 115032

RHEL 8 AppStream Module Defaults Break Package Installation

🟡 Medium   ⏱ 5–30 min  Last verified: 9 December 2022 Affected versions: 8.6 8.7 8.8 8.9 8.10 📖 ~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 […]

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Debian 11 — rust-rand-core — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rust-rand-core — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-25576 Upstream summary: An issue was discovered in the rand_core crate before 0.4.2 for Rust. Casting of byte slices to integer slices mishandles alignment constraints. Table of contents […]

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Ubuntu 18.04 — libetpan — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libetpan — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 December 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7740-1 Related CVEs: CVE-2022-4121 Upstream summary: It was discovered that LibEtPan incorrectly handled memory when parsing IMAP STATUS responses. A remote attacker could possibly use this issue to cause LibEtPan […]

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Ubuntu 18.04 — tmux — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — tmux — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 December 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5843-1 Related CVEs: CVE-2022-47016 Upstream summary: It was discovered that tmux incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. Table of […]

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Ubuntu 18.04 — node-eventsource — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-eventsource — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 December 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6082-1 Related CVEs: CVE-2022-1650 Upstream summary: It was discovered that EventSource incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input […]

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AlmaLinux 8 — utf8proc — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — utf8proc — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:2234 Related CVEs: CVE-2022-24070 CVE-2020-17525 CVE-2019-0203 CVE-2018-11782 Upstream summary: Subversion (SVN) is a concurrent version control system which enables one or more users to collaborate in developing and maintaining a hierarchy of […]

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Создание нового пользователя с привилегиями sudo в CentOS 8 [Краткое руководство] — step-by-step Linux tutorial on Progressive Robot

Создание нового пользователя с привилегиями sudo в CentOS 8 [Краткое руководство]

Команда sudo служит механизмом для предоставления прав администратора, которые обычно доступны только пользователю root user, для обычных пользователей. Из этого руководства вы узнаете, как создать нового пользователя с привилегиями sudo в CentOS 8 без изменения файла…

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How To Configure Tools to Use IPv6 on a Linux VPS — step-by-step Linux tutorial on Progressive Robot

How To Configure Tools to Use IPv6 on a Linux VPS

IPv6 is the most recent version of the IP protocol. Its most immediately useful advantage over IPv4 is that it has a much broader address space. In this guide, we will discuss the IPv6 versions of tools and how to configure some common services to take advantage of your IPv6 addresses.

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Common Problems 121671

Debian 9 – KVM Bridge Networking Stops Passing Traffic – Host Bridge Repair

🟠 High   ⏱ 5–30 min  Last verified: 8 December 2022 Affected versions: Debian 9 📖 ~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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