chris

pr cp 115568 r2

RHEL 7 service Docker Fails to Start After Kernel 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 115062 r2

RHEL 8 tuned Profile Not Applied After Reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: 8.5 8.6 8.7 8.8 8.9 8.10 📖 ~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 & […]

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pr cp 114569 r2

Postfix Cannot Send Mail Due To DNS Or Relay Policy

🟡 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 114070 r2

RHEL 10 – Cockpit web console fails to load pages due to missing ws packages – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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pr cp 111099 r2

Windows Server 2025 — Chocolatey self-update fails due to insufficient permissions — 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 — openssh — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — openssh — 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: NetBSD advisory NetBSD-SA-2024-002 Related CVEs: CVE-2024-6387 CVE-2002-0639 CVE-2006-0225 CVE-2013-4548 CVE-2021-41617 CVE-2023-38408 CVE-2011-0539 CVE-2008-5161  +12 more Upstream summary: The sshd(8) login grace time expiry message is issued from signal handler context where it is not […]

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

NetBSD 10.0 — multiple — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: NetBSD advisory NetBSD-SA-2023-007 Related CVEs: CVE-2023-45198 Upstream summary: A vulnerability in the NetBSD FTP server allows unauthenticated users to execute MLST and MLSD commands without authentication. This can lead to information leakage – unauthorized […]

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NetBSD 10.0 — kdc-spoofing — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — kdc-spoofing — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: NetBSD advisory NetBSD-SA-2023-006 Related CVEs: CVE-2023-3326 Upstream summary: On a NetBSD system with: – – ftpd, sshd, or some other network services enabled with default configuration, and – – /etc/krb5.conf created (possibly an empty […]

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

NetBSD 10.0 — su — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: NetBSD advisory NetBSD-SA-2023-005 Upstream summary: An unprivileged user can bypass su(1) security checks by exploiting a flaw in the PAM module pam_ksu(8), which is supposed to authenticate the user by checking their Kerberos password. […]

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NetBSD 10.0 — Canna-server-bin — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — Canna-server-bin — vulnerability — 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 Upstream summary: pkgsrc audit-packages flagged Canna-server-bin<3.5.2nb3 for vulnerability class 'remote-root-shell'. Reference: http://canna.sourceforge.jp/sec/Canna-2002-01.txt Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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