Security Hardening

Rocky Linux 8 — perl-Module-Build — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — perl-Module-Build — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:8096 Related CVEs: CVE-2025-40909 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have […]

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Rocky Linux 8 — perl-Data-Section — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — perl-Data-Section — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:8096 Related CVEs: CVE-2025-40909 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have […]

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Ubuntu 16.04 — sudo — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — sudo — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 March 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7604-2 Related CVEs: CVE-2025-32462 CVE-2023-28486 CVE-2023-28487 CVE-2023-22809 CVE-2021-23239 CVE-2021-3156 CVE-2019-18634 CVE-2019-14287  +3 more Upstream summary: USN-7604-1 fixed CVE-2025-32462 in sudo. This update provides the corresponding fixes for Ubuntu 20.04 LTS, […]

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Alpine Linux 3.20 — linux-pam — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — linux-pam — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.6.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — linux-pam 1.6.0-r0 Related CVEs: CVE-2024-22365 CVE-2020-27780 Upstream summary: Alpine main repository for vv3.20 ships linux-pam 1.6.0-r0 which addresses CVE-2024-22365. Table of contents Symptom & Impact […]

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Alpine Linux 3.20 — lighthouse — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — lighthouse — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.2.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — lighthouse 2.2.0-r0 Related CVEs: CVE-2022-0778 Upstream summary: Alpine community repository for vv3.20 ships lighthouse 2.2.0-r0 which addresses CVE-2022-0778. Table of contents Symptom & Impact Environment […]

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Oracle Linux 9 — java-1.8.0-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — java-1.8.0-openjdk — vulnerability — patch and remediation guide (ELSA-2024-1818)

🟡 Medium   ⏱ 10–30 min  Last verified: 12 March 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1818 Related CVEs: CVE-2024-21011 CVE-2024-21094 CVE-2024-21068 CVE-2024-21085 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Alpine Linux 3.20 — redict — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — redict — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 7.3.3-r1 📖 ~4 min read  •  Source: Alpine secdb entry — redict 7.3.3-r1 Related CVEs: CVE-2025-27151 CVE-2025-21605 CVE-2024-46981 CVE-2024-51741 CVE-2024-31227 CVE-2024-31228 CVE-2024-31449 Upstream summary: Alpine community repository for vv3.20 ships redict 7.3.3-r1 which addresses CVE-2025-27151. Table […]

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Oracle Linux 8 — tigervnc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — tigervnc — vulnerability — patch and remediation guide (ELSA-2025-2502)

🟠 High   ⏱ 15–60 min  Last verified: 12 March 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-2502 Related CVEs: CVE-2025-26598 CVE-2025-26594 CVE-2025-26596 CVE-2025-26600 CVE-2025-26601 CVE-2025-26597 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Red Hat Enterprise Linux 9 — 389-ds-base — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — 389-ds-base — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:5598 Related CVEs: CVE-2025-14905 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Oracle Linux 9 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel — vulnerability — patch and remediation guide (ELSA-2025-19930)

🟡 Medium   ⏱ 10–30 min  Last verified: 12 March 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-19930 Related CVEs: CVE-2025-40300 CVE-2024-36357 CVE-2024-36350 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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