IT, Cloud & DevOps Blog

pr cp 116616 r2

Ubuntu 24.04 LTS – SMB mount fails with authentication errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 24.04 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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pr cp 116115 r2

Ubuntu 26.04 LTS – Failed sudo due to broken PAM configuration – Fix & Prevention

🔴 Critical   ⏱ 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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pr cp 115616 r2

RHEL 7 yum Cache Stale After Proxy Configuration Change

🟢 Low   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 7 📖 ~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 115133 r2

RHEL 8 auditd Backlog Limit Exceeded and Events Lost – RHEL 8 Post 073

🟡 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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pr cp 114600 r2

System Boots to GRUB Rescue After Update

🟡 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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pr cp 114111 r2

RHEL 10 – chrony sources unreachable because firewalld egress rules block NTP – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 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 & […]

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pr cp 111078 r2

Windows Server 2025 — Security event log fill causing authentication failures — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Windows Server 2025 📖 ~2 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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NetBSD 10.0 — tor — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — tor — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2009-2425 CVE-2009-2426 CVE-2019-8955 CVE-2007-4174 CVE-2013-7295 CVE-2014-5117 CVE-2017-8820 CVE-2017-8822  +12 more Upstream summary: pkgsrc audit-packages flagged tor<0.2.0.35 for vulnerability class 'remote-denial-of-service'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2425 Table of contents Symptom & Impact Environment […]

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NetBSD 10.0 — trac — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — trac — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2008-3328 CVE-2009-4405 CVE-2010-5108 Upstream summary: pkgsrc audit-packages flagged trac<0.8.4 for vulnerability class 'remote-code-execution'. Reference: http://secunia.com/advisories/15752/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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NetBSD 10.0 — trafficserver — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — trafficserver — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2019-9511 CVE-2019-9512 CVE-2019-9513 CVE-2019-9514 CVE-2019-9515 CVE-2019-9516 CVE-2019-9517 CVE-2019-9518  +12 more Upstream summary: pkgsrc audit-packages flagged trafficserver-[0-9]* for vulnerability class 'remote-denial-of-service'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-9511 Table of contents Symptom & Impact Environment […]

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