Boot Startup

CentOS Stream 9 — grub2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — grub2 — 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-2025:2867 Related CVEs: CVE-2025-0624 CVE-2021-3695 CVE-2021-3696 CVE-2021-3697 CVE-2022-28733 CVE-2022-28734 CVE-2022-28735 CVE-2022-28736  +12 more Upstream summary: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable […]

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CentOS Stream 9 — bootc — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — bootc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:7160 Related CVEs: CVE-2025-24898 Upstream summary: Bootable container system Security Fix(es): * rust-openssl: rust openssl ssl::select_next_proto use after free (CVE-2025-24898) For more details about the security issue(s), including the impact, a […]

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CentOS Stream 9 — booth — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — booth — multiple vulnerabilities (2 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-2024:3661 Related CVEs: CVE-2024-3049 CVE-2022-2553 Upstream summary: The Booth cluster ticket manager is a component to bridge high availability clusters spanning multiple sites, in particular, to provide decision inputs to local […]

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CentOS Stream 9 — rust-bootupd — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — rust-bootupd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:7241 Related CVEs: CVE-2025-24898 Upstream summary: Bootloader updater Security Fix(es): * rust-openssl: rust openssl ssl::select_next_proto use after free (CVE-2025-24898) For more details about the security issue(s), including the impact, a CVSS […]

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SLES 15 — u-boot-rpi3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — u-boot-rpi3 — 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-2022:2052-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-30790 CVE-2022-34835 CVE-2022-30552 CVE-2020-8432 CVE-2019-13103 CVE-2019-13104 CVE-2019-13106 CVE-2019-14192  +12 more Upstream summary: Das U-Boot 2022.01 has a Buffer Overflow, a different issue than CVE-2022-30552. Table […]

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SLES 12 — saphanabootstrap-formula — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — saphanabootstrap-formula — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:0009-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-45153 Upstream summary: An Incorrect Default Permissions vulnerability in saphanabootstrap-formula of SUSE Linux Enterprise Module for SAP Applications 15-SP1, SUSE Linux Enterprise Server for SAP […]

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Common Problems 127152

CentOS Stream 10 – Common Problem 144 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: CentOS Stream 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 & Hardening Related Errors […]

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Common Problems 115550

crond Not Running So Scheduled Jobs Are Missed

🟡 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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Common Problems 117569

Ubuntu 20.04 disk space full due to logs and cache

🟡 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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Common Problems 117072

Ubuntu 22.04 drops to initramfs on boot

🟡 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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