Linux

Common Problems 124049

Oracle Linux 10 – initramfs generation fails during kernel update transaction – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 October 2025 Affected versions: Oracle Linux 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 Related Errors […]

Read more
Amazon Linux 2 — jackson — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — jackson — vulnerability — 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 ALAS2-2025-2934 Related CVEs: CVE-2025-52999 Upstream summary: jackson-core contains core low-level incremental ("streaming") parser and generator abstractions used by Jackson Data Processor. In versions prior to 2.15.0, if a user parses […]

Read more
Debian 13 — gdnsd — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gdnsd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-13952 Upstream summary: The set_ipv6() function in zscan_rfc1035.rl in gdnsd before 2.4.3 and 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv6 address in […]

Read more
Common Problems 119500

Debian 13 nftables or UFW Rules Blocking Required Traffic

🟡 Medium   ⏱ 5–30 min  Last verified: 6 October 2025 📖 ~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
Debian 13 — pymdown-extensions — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — pymdown-extensions — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-68142 Upstream summary: PyMdown Extensions is a set of extensions for the `Python-Markdown` markdown project. Versions prior to 10.16.1 have a ReDOS bug found within the figure caption extension […]

Read more
Debian 13 — node-negotiator — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-negotiator — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-10539 Upstream summary: negotiator is an HTTP content negotiator for Node.js and is used by many modules and frameworks including Express and Koa. The header for "Accept-Language", when parsed […]

Read more
AlmaLinux 8 — felix-osgi-compendium — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — felix-osgi-compendium — multiple vulnerabilities (2 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-2025:9318 Related CVEs: CVE-2019-10086 CVE-2025-48734 Upstream summary: The javapackages-tools packages provide macros and scripts to support Java packaging. Security Fix(es): * apache-commons-beanutils: does not suppresses the class property in PropertyUtilsBean by default […]

Read more
Common Problems 119455

Debian 13 Unmet Dependencies During full-upgrade

🟠 High   ⏱ 5–30 min  Last verified: 6 October 2025 Affected versions: Debian 13 📖 ~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
Debian 13 — node-debug — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-debug — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-16137 CVE-2017-20165 Upstream summary: The debug module is vulnerable to regular expression denial of service when untrusted user input is passed into the o formatter. It takes around […]

Read more
CHAT