Operations

Oracle Linux 8 — ( aarch64 ) Some GUI Elements Aren't Displayed During Installation and Boot Using VGA Output — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ( aarch64 ) Some GUI Elements Aren’t Displayed During Installation and Boot Using VGA Output

🟠 High   ⏱ 5–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 35270637 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 117394 r2

Ubuntu 20.04 LTS APT Lock Error Blocks Package Updates

🟡 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 — cockpit — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — cockpit — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:7383 (see also SUSE bugzilla) Related CVEs: CVE-2026-4631 CVE-2026-26996 CVE-2026-25547 CVE-2025-13465 CVE-2024-6126 Upstream summary: Cockpit's remote login feature passes user-supplied hostnames and usernames from the web interface to the SSH client without […]

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pr cp 117890 r2

Ubuntu 18.04 LTS apt update fails with NO_PUBKEY 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 — php8 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — php8 — multiple vulnerabilities (12 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-2026:1957-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-14179 CVE-2026-6722 CVE-2026-7258 CVE-2026-7261 CVE-2026-7568 CVE-2026-7259 CVE-2024-11236 CVE-2024-8932  +4 more Upstream summary: In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and […]

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Ubuntu 16.04 — linux — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — linux — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8274-1 Related CVEs: CVE-2022-49033 CVE-2024-27388 CVE-2024-49938 CVE-2024-50008 CVE-2024-50142 CVE-2021-47142 CVE-2021-47145 CVE-2021-47254  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

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

SLES 12 — package — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2026-43011 CVE-2026-43039 CVE-2026-34580 CVE-2026-34582 CVE-2026-39324 CVE-2026-33210 CVE-2025-15467 CVE-2026-24061  +12 more Upstream summary: In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix potential […]

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pr cp 118923 r2

Ubuntu 14.04 LTS apt-get update hash sum mismatch

🟡 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 — java-21-openjdk — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — java-21-openjdk — multiple vulnerabilities (13 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-2026:9689 Related CVEs: CVE-2026-22007 CVE-2026-22013 CVE-2026-22016 CVE-2026-22018 CVE-2026-22021 CVE-2026-23865 CVE-2026-34268 CVE-2026-34282  +5 more Upstream summary: The OpenJDK 21 packages provide the OpenJDK 21 Java Runtime Environment and the OpenJDK 21 Java […]

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pr cp 111031 r2

Windows Server 2025 Fails to Boot After BIOS Firmware Update — Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Windows Server 2025 📖 ~3 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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