Common Problems

pr cp 121623 r2

Debian 9: UFW blocks required application ports

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 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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pr cp 114052 r2

NFS mount delays boot with long timeout

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 10.0 📖 ~1 min read Table of contents Problem Summary Symptoms Diagnostics Root Cause Primary Fix Verification Prevention Rollback Automation Command Reference Escalation Related Notes Problem Summary System startup hangs waiting for unreachable NFS mount targets. Symptoms Boot reaches emergency or […]

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FreeBSD 15 — linux-netscape — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — linux-netscape — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: firefox & mozilla — multiple vulnerabilities Related CVEs: CVE-2004-0762 CVE-2004-0765 CVE-2004-0904 CVE-2004-0905 CVE-2004-0908 CVE-2004-0909 CVE-2004-1156 CVE-2004-1157  +12 more Upstream summary: A Mozilla Foundation Security Advisory reports of multiple issues: Heap […]

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pr cp 114551 r2

RHEL 9 Cockpit Not Accessible from Remote Browser

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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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FreeBSD 14 — ja-w3m — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — ja-w3m — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: w3m – multiple vulnerabilities Related CVEs: CVE-2006-6772 CVE-2016-9422 CVE-2016-9423 CVE-2016-9424 CVE-2016-9425 CVE-2016-9426 CVE-2016-9428 CVE-2016-9429  +12 more Upstream summary: Tatsuya Kinoshita reports: CVE-2018-6196 * table.c: Prevent negative indent value in feed_table_block_tag(). […]

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pr cp 115035 r2

DNS Resolution Intermittent on RHEL 8 Hosts

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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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FreeBSD 13 — powerdns-recursor — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — powerdns-recursor — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: powerdns-recursor — Denial of Service Related CVEs: CVE-2009-4009 CVE-2009-4010 CVE-2015-1868 CVE-2015-5470 CVE-2016-2120 CVE-2016-7068 CVE-2016-7072 CVE-2016-7073  +12 more Upstream summary: PowerDNS Team reports: 2025-07: Internal logic flaw in cache management can […]

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pr cp 115551 r2

Inode Exhaustion on /var Breaking Package and Log Writes

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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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FreeBSD 12 — phoenix — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — phoenix — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: firefox & mozilla — multiple vulnerabilities Related CVEs: CVE-2004-0762 CVE-2004-0765 CVE-2004-0904 CVE-2004-0905 CVE-2004-0908 CVE-2004-0909 CVE-2004-1156 CVE-2004-1157  +12 more Upstream summary: A Mozilla Foundation Security Advisory reports of multiple issues: Heap […]

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pr cp 116058 r2

ufw default deny blocks outbound package mirrors

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 26.04 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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