Linux

Common Problems 120168

Debian 12: SELinux-like AppArmor profile denial

🟡 Medium   ⏱ 5–30 min  Last verified: 30 October 2023 Affected versions: Debian 12 📖 ~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 9 — haproxy — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — haproxy — security and stability fixes — required update (ELSA-2023-6496)

🟡 Medium   ⏱ 10–30 min  Last verified: 29 October 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6496 Related CVEs: CVE-2023-0836 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Set Up FluxCD on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up FluxCD on CentOS Stream 9

Introduction Setting up set up fluxcd on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up FluxCD on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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Debian 12 — lbreakout2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — lbreakout2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0158 Upstream summary: Buffer overflow in lbreakout2 allows local users to gain 'games' group privileges via a large HOME environment variable to (1) editor.c, (2) theme.c, (3) manager.c, […]

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Debian 12 — dbus-broker — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — dbus-broker — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-31212 CVE-2022-31213 Upstream summary: An issue was discovered in dbus-broker before 31. It depends on c-uitl/c-shquote to parse the DBus service's Exec line. c-shquote contains a stack-based buffer […]

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Common Problems 120154

Debian 12 Locale Misconfiguration Warnings

🟢 Low   ⏱ 5–30 min  Last verified: 29 October 2023 Affected versions: Debian 12 📖 ~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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Amazon Linux 2 — yajl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — yajl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2182 Related CVEs: CVE-2023-33460 CVE-2022-24795 Upstream summary: There's a memory leak in yajl 2.1.0 with use of yajl_tree_parse function. which will cause out-of-memory in server and cause crash. (CVE-2023-33460) Table […]

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Debian 12 — mpg321 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — mpg321 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0969 CVE-2017-11552 CVE-2019-14247 Upstream summary: mpg321 0.2.10 allows remote attackers to overwrite memory and possibly execute arbitrary code via an mp3 file that passes certain strings to the […]

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

Debian 12 — jsch — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-5725 Upstream summary: Directory traversal vulnerability in JCraft JSch before 0.1.54 on Windows, when the mode is ChannelSftp.OVERWRITE, allows remote SFTP servers to write to arbitrary files via […]

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Debian 12 — cantata — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — cantata — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-12559 CVE-2018-12560 CVE-2018-12561 CVE-2018-12562 Upstream summary: An issue was discovered in the cantata-mounter D-Bus service in Cantata through 2.3.1. The mount target path check in mounter.cpp `mpOk()` is […]

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