Linux

AlmaLinux 8 — softhsm — multiple vulnerabilities (11 CVEs) — patch and remediation guide

• August 3, 2025
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:21140 Related CVEs: CVE-2025-59088 CVE-2025-59089 CVE-2025-7493 CVE-2025-4404 CVE-2024-2698 CVE-2024-3183 CVE-2021-3480 CVE-2020-17049  +3 more Upstream summary: AlmaLinux Identity Management (IdM) is a centralized authentication, identity management, and authorization solution for both traditional and […]

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Oracle Linux 9 — fence-agents — security and stability fixes — required update (ELSA-2024-2132)

• August 2, 2025
• Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 2 August 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2132 Related CVEs: CVE-2024-22195 CVE-2023-45803 CVE-2023-52323 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Oracle Linux 10 – rsyslog forwarding stops after TLS certificate rotation – Fix & Prevention

• August 2, 2025
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 2 August 2025 Affected versions: Oracle Linux 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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Oracle Linux 10 – systemd service enters failed state after reboot – Fix & Prevention

• August 2, 2025
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 2 August 2025 Affected versions: Oracle Linux 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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How to Enable the EPEL Repository on CentOS Stream 10

• August 2, 2025
• CentOS
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Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying enable the epel repository on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Enable the EPEL Repository on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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Oracle Linux 10 DNF Metadata Checksum Mismatch During Updates

• August 2, 2025
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 2 August 2025 Affected versions: Oracle Linux 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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RHEL 10 – firewalld rich rule blocks internal API traffic unexpectedly

• August 2, 2025
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 2 August 2025 Affected versions: RHEL 10 RHEL 10.0 RHEL 10.1 📖 ~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 & […]

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Ubuntu 22.04 LTS – black screen after NVIDIA driver update – Fix & Prevention

• August 2, 2025
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 2 August 2025 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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Ubuntu 24.04 LTS – cron jobs not running at scheduled times – Fix & Prevention

• August 2, 2025
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 2 August 2025 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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Amazon Linux 2023 — nsight-systems-2025.5.2 — vulnerability — patch and remediation guide

• August 2, 2025
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023NVIDIA-2026-256 Related CVEs: CVE-2025-33228 Upstream summary: NVIDIA Nsight Systems contains a vulnerability in the gfx_hotspot recipe, where an attacker could cause an OS command injection by supplying a malicious string […]

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