Common Problems

pr cp 116995 r2

Ubuntu 22.04 LTS – Time drift breaks TLS and package validation – 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 — Podman Issues — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Podman Issues (8-PODMAN-ISSUES)

🟠 High   ⏱ 5–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug OLRNB-ol8-issues-podman 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 117490 r2

Ubuntu 20.04 LTS High CPU Usage from Systemd Journal

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:11371 (see also SUSE bugzilla) Related CVEs: CVE-2026-1519 CVE-2026-3104 CVE-2025-13878 CVE-2025-40778 CVE-2025-40780 CVE-2025-8677 CVE-2006-4339 CVE-2007-2925  +12 more Upstream summary: If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted […]

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pr cp 117997 r2

Ubuntu 18.04 ext4 Filesystem Mounts Read-Only After I/O Errors

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

SLES 15 — mariadb — 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-RU-2023:3956-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-15180 CVE-2026-32710 CVE-2025-13699 CVE-2021-46669 CVE-2022-27376 CVE-2022-27377 CVE-2022-27378 CVE-2022-27379  +12 more Upstream summary: A flaw was found in the mysql-wsrep component of mariadb. Lack of input […]

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pr cp 118492 r2

Ubuntu 16.04 Cloud-Init Rewrites Network Settings Unexpectedly

🟡 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 — bind — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — bind — multiple vulnerabilities (20 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-2026:11371 (see also SUSE bugzilla) Related CVEs: CVE-2026-1519 CVE-2025-40778 CVE-2024-11187 CVE-2024-1737 CVE-2024-1975 CVE-2023-4408 CVE-2023-50387 CVE-2023-50868  +12 more Upstream summary: If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted […]

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pr cp 118998 r2

Ubuntu 14.04 LTS Filesystem Remounted Read-Only After I/O Errors

🟡 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 — python-pyasn1 — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — python-pyasn1 — vulnerability — 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-2026:3354 Related CVEs: CVE-2026-23490 Upstream summary: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces […]

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