IT, Cloud & DevOps Blog

pr cp 116006 r2

Ubuntu 26.04 LTS – GRUB update leaves system unbootable after kernel cleanup – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 19 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 115506 r2

RHEL 7 yum GPG Key Mismatch on Repository Metadata

🟡 Medium   ⏱ 5–30 min  Last verified: 19 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 115008 r2

RHEL 8 sudo Fails When SSSD or Identity Provider Is Unavailable

🟡 Medium   ⏱ 5–30 min  Last verified: 19 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 114500 r2

NFS Mount Permission Denied on RHEL 9 Client

🟡 Medium   ⏱ 5–30 min  Last verified: 19 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 114001 r2

RHEL 10 – NFS mount permission denied due to SELinux context mismatch – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 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 111067 r2

Windows Server 2025 — IIS Application Pool crashes due to missing .NET Runtime dependency — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 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 — libXfixes — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — libXfixes — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2016-7944 Upstream summary: pkgsrc audit-packages flagged libXfixes<5.0.1 for vulnerability class 'buffer-overflow'. Reference: http://www.x.org/wiki/Development/Security/Advisory-2013-05-23 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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NetBSD 10.0 — libXfont2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — libXfont2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2017-16611 CVE-2017-13720 CVE-2017-13722 Upstream summary: pkgsrc audit-packages flagged libXfont2<2.0.3 for vulnerability class 'access-bypass'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-16611 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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NetBSD 10.0 — libXi — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — libXi — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2016-7946 CVE-2016-7945 Upstream summary: pkgsrc audit-packages flagged libXi<1.7.2 for vulnerability class 'multiple-vulnerabilities'. Reference: http://www.debian.org/security/2013/dsa-2683 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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NetBSD 10.0 — libXp — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — libXp — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged libXp<1.0.2 for vulnerability class 'buffer-overflow'. Reference: http://www.x.org/wiki/Development/Security/Advisory-2013-05-23 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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