Operations

pr cp 116415 r2

Ubuntu 24.04 LTS – DNS resolution fails with systemd-resolved – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 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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Oracle Linux 9 — cockpit: Unauthenticated remote code execution due to SSH command-line argument injection — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — cockpit: Unauthenticated remote code execution due to SSH command-line argument injection

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-7384 Related CVEs: CVE-2026-4631 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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pr cp 116915 r2

Ubuntu 22.04 LTS – DNS resolution fails with systemd-resolved – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 22.04 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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Oracle Linux 8 — Messages Referring to tmpfiles.d Files Appear During Upgrade — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Messages Referring to tmpfiles.d Files Appear During Upgrade

🟠 High   ⏱ 5–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 32852433 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 […]

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pr cp 117410 r2

Ubuntu 20.04 LTS Netplan Apply Drops Network Connectivity

🟡 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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SLES 16 — expat — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — expat — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:695-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-9063 CVE-2026-32776 CVE-2026-32777 CVE-2025-59375 CVE-2009-2625 CVE-2016-5300 CVE-2017-9233 CVE-2019-15903  +12 more Upstream summary: An integer overflow during the parsing of XML using the Expat library. This […]

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pr cp 117917 r2

Ubuntu 18.04 Network Interface Missing After Kernel Upgrade

🟡 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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SLES 15 — rsync — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — rsync — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:0118-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-12084 CVE-2026-29518 CVE-2026-41035 CVE-2026-43618 CVE-2024-12087 CVE-2022-29154 CVE-2020-14387 CVE-2026-43617  +12 more Upstream summary: A heap-based buffer overflow flaw was found in the rsync daemon. This issue […]

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NetBSD 10.0 — py-httplib2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — py-httplib2 — 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-2013-2037 CVE-2020-11078 CVE-2021-21240 Upstream summary: pkgsrc audit-packages flagged py{27,34,35,36,37,38}-httplib2-[0-9]* for vulnerability class 'man-in-the-middle'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2013-2037 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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NetBSD 10.0 — py-httpx — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — py-httpx — 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-2021-41945 Upstream summary: pkgsrc audit-packages flagged py{27,36,37,38,39,310}-httpx-[0-9]* for vulnerability class 'input-validation'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-41945 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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