Troubleshooting

SLES 15 — rmt-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — rmt-server — 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-2020:2899-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-8165 CVE-2026-34785 CVE-2026-34829 CVE-2025-46727 CVE-2023-27530 CVE-2022-31254 CVE-2019-16770 CVE-2019-18904  +12 more Upstream summary: A deserialization of untrusted data vulnernerability exists in rails < 5.2.4.3, rails < […]

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pr cp 118497 r2

Ubuntu 16.04 LTS sudo: unable to resolve host

🟡 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 12 — libnghttp2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libnghttp2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:7080 (see also SUSE bugzilla) Related CVEs: CVE-2026-27135 CVE-2024-28182 CVE-2023-35945 CVE-2018-1000168 CVE-2016-1544 Upstream summary: nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the […]

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pr cp 119033 r2

Ubuntu 14.04 LTS Docker permission denied to /var/run/docker.sock

🟡 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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CentOS Stream 10 — squid — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — squid — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:8119 Related CVEs: CVE-2026-32748 CVE-2026-33526 CVE-2025-62168 Upstream summary: Squid is a high-performance proxy caching server for web clients, supporting FTP, and HTTP data objects. Security Fix(es): * squid: Squid: Denial of […]

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pr cp 111042 r2

Windows Server 2025 System Volume Running Out of Disk Space Blocking Updates — 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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pr cp 119536 r2

Debian 13 Kernel Upgrade Boots to Older Kernel

🟡 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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CentOS Stream 9 — buildah — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — buildah — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:10135 Related CVEs: CVE-2026-34986 CVE-2025-61726 CVE-2025-61729 CVE-2025-68121 CVE-2025-47913 CVE-2025-52881 CVE-2025-58183 CVE-2024-11218  +12 more Upstream summary: The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah […]

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pr cp 111755 r2

Windows Server 2022 DNS Scavenging Removes Active Host Records – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Windows Server 2022 📖 ~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 120065 r2

Debian 12 GRUB Rescue Prompt Recovery

🔴 Critical   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 12 📖 ~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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