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How to Write a Custom SELinux Policy Module on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Write a Custom SELinux Policy Module on RHEL 10

Introduction How to Write a Custom SELinux Policy Module on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]

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Debian 11 — python-internetarchive — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-internetarchive — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 April 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-58438 Upstream summary: internetarchive is a Python and Command-Line Interface to Archive.org In versions 5.5.0 and below, there is a directory traversal (path traversal) vulnerability in the File.download() […]

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Red Hat Enterprise Linux 9 — compat-openssl11 — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — compat-openssl11 — 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-2026:19187 Related CVEs: CVE-2025-69419 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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Debian 12 — ironic — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ironic — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 April 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-7514 CVE-2016-4985 CVE-2024-44082 CVE-2024-47211 CVE-2025-44021 CVE-2026-42510 CVE-2026-42997 CVE-2026-44916  +1 more Upstream summary: OpenStack Ironic 4.2.0 through 4.2.1 does not "clean" the disk after use, which allows remote authenticated […]

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Red Hat Enterprise Linux 9 — automation-gateway-proxy — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — automation-gateway-proxy — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:13512 Related CVEs: CVE-2025-69534 CVE-2025-69873 CVE-2026-6266 CVE-2026-23490 CVE-2026-25679 CVE-2026-26007 CVE-2026-27459 CVE-2026-27606  +11 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Debian 13 — findutils — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — findutils — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 April 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-2452 Upstream summary: Heap-based buffer overflow in the visit_old_format function in locate/locate.c in locate in GNU findutils before 4.2.31 might allow context-dependent attackers to execute arbitrary code via […]

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SLES 12 — sed — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — sed — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 April 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:1659-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-5958 Upstream summary: When sed is invoked with both -i (in-place edit) and –follow-symlinks, the function open_next_file() performs two separate, non-atomic filesystem operations on the […]

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

Oracle Linux 8 — openssh — vulnerability — patch and remediation guide (ELSA-2025-23481)

🟡 Medium   ⏱ 10–30 min  Last verified: 22 April 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-23481 Related CVEs: CVE-2025-61984 CVE-2025-61985 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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openSUSE Leap 15.6 — python311-Flask — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — python311-Flask — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0849-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-27205 Upstream summary: Flask is a web server gateway interface (WSGI) web application framework. In versions 3.1.2 and below, when the session object is […]

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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-2026-9683)

🟠 High   ⏱ 15–60 min  Last verified: 22 April 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-9683 Related CVEs: CVE-2026-22007 CVE-2026-22013 CVE-2026-22016 CVE-2026-22018 CVE-2026-22021 CVE-2026-23865 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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