Linux

Common Problems 116392

Ubuntu 24.04 LTS APT Lock Contention During Unattended Upgrades

🟡 Medium   ⏱ 5–30 min  Last verified: 14 December 2024 📖 ~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 […]

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Alpine Linux 3.20 — syslog-ng — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — syslog-ng — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 3.38.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — syslog-ng 3.38.1-r0 Related CVEs: CVE-2022-38725 Upstream summary: Alpine main repository for vv3.20 ships syslog-ng 3.38.1-r0 which addresses CVE-2022-38725. Table of contents Symptom & Impact Environment […]

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Alpine Linux 3.20 — py3-ujson — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — py3-ujson — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 5.4.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-ujson 5.4.0-r0 Related CVEs: CVE-2022-31116 CVE-2022-31117 CVE-2021-45958 Upstream summary: Alpine community repository for vv3.20 ships py3-ujson 5.4.0-r0 which addresses CVE-2022-31116. Table of contents Symptom & […]

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Debian 12 — pev — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — pev — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 December 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-45423 Upstream summary: A Buffer Overflow vulnerabilityexists in Pev 0.81 via the pe_exports function from exports.c.. The array offsets_to_Names is dynamically allocated on the stack using exp->NumberOfFunctions as […]

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Debian 12 — tinyobjloader — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — tinyobjloader — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 December 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-28589 Upstream summary: An improper array index validation vulnerability exists in the LoadObj functionality of tinyobjloader v2.0-rc1 and tinyobjloader development commit 79d4421. A specially crafted file could lead […]

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Debian 12 — rust-spin — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — rust-spin — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 December 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16137 Upstream summary: An issue was discovered in the spin crate before 0.5.2 for Rust, when RwLock is used. Because memory ordering is mishandled, two writers can acquire […]

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Oracle Linux 8 — .NET 7.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 7.0 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 December 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3340 Related CVEs: CVE-2024-30045 CVE-2024-30046 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 Set Up Software RAID with mdadm on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Configure LVM on Ubuntu 24.04

LVM (Logical Volume Manager) provides flexible disk management by abstracting physical storage into logical volumes that can be resized, snapshotted, and moved. This guide explains how to create and manage LVM volumes on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server One or more additional block devices (e.g. […]

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Alpine Linux 3.19 — pango — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — pango — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.44.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — pango 1.44.1-r0 Related CVEs: CVE-2019-1010238 Upstream summary: Alpine main repository for vv3.19 ships pango 1.44.1-r0 which addresses CVE-2019-1010238. Table of contents Symptom & Impact Environment […]

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Oracle Linux 9 — dpdk — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — dpdk — security and stability fixes — required update (ELSA-2022-8263)

🟠 High   ⏱ 15–60 min  Last verified: 13 December 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8263 Related CVEs: CVE-2022-28199 CVE-2022-2132 CVE-2021-3839 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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