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

Oracle Linux 9 — buildah — vulnerability — patch and remediation guide (ELSA-2026-0437)

🟠 High   ⏱ 15–60 min  Last verified: 6 July 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-0437 Related CVEs: CVE-2025-47913 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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FreeBSD 13 — jenkins-lts — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — jenkins-lts — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 July 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: jenkins — multiple vulnerabilities Related CVEs: CVE-2011-4969 CVE-2013-2186 CVE-2013-5573 CVE-2013-7285 CVE-2014-1869 CVE-2014-3577 CVE-2014-3661 CVE-2014-3662  +12 more Upstream summary: Jenkins Security Advisory 2026-03-18: SECURITY-3657 / CVE-2026-33001: Arbitrary file write vulnerability through […]

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Common Problems 115912

Ubuntu 26.04 LTS – apt upgrade blocked by held packages – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 6 July 2026 Affected versions: Ubuntu 26.04 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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FreeBSD 15 — linux-flashplugin — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — linux-flashplugin — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: linux-flashplugin — multiple vulnerabilities Related CVEs: CVE-2006-0024 CVE-2006-3311 CVE-2006-3587 CVE-2006-3588 CVE-2006-4640 CVE-2007-0071 CVE-2007-2022 CVE-2007-3456  +12 more Upstream summary: Adobe Product Security Incident Response Team reports: Critical vulnerabilities have been identified […]

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AlmaLinux 8 — perl-YAML-Syck — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-YAML-Syck — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:6470 Related CVEs: CVE-2026-4177 Upstream summary: This module provides a Perl interface to the libsyck data serialization library. It exports the Dump and Load functions for converting Perl data structures to YAML […]

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Ubuntu 18.04 — linux-aws-fips — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-aws-fips — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 July 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8281-1 Related CVEs: CVE-2026-31431 CVE-2026-31504 CVE-2026-43033 CVE-2026-43077 CVE-2026-43078 CVE-2024-27388 CVE-2024-46816 CVE-2024-49938  +12 more Upstream summary: It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic […]

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How to Configure newsyslog Log Rotation on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure newsyslog Log Rotation on FreeBSD 15

Introduction This guide explains how to Configure newsyslog Log Rotation on FreeBSD 15 on FreeBSD 15. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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Common Problems 113932

SELinux blocks NGINX upstream proxy connections

🟠 High   ⏱ 5–30 min  Last verified: 5 July 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~1 min read Table of contents Problem Summary Symptoms Diagnostics Root Cause Primary Fix Verification Prevention Rollback Automation Command Reference Escalation Related Notes Problem Summary NGINX returns 502 because SELinux denies outbound proxy connection. Symptoms audit logs […]

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AlmaLinux 9 — rsync — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — rsync — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:0324 Related CVEs: CVE-2024-12085 CVE-2025-10158 CVE-2024-12087 CVE-2024-12088 CVE-2024-12747 CVE-2022-37434 Upstream summary: The rsync utility enables the users to copy and synchronize files locally or across a network. Synchronization with rsync is fast […]

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Common Problems 116070

Ubuntu 26.04 LTS SSHD Fails Due to Strict File Permissions

🟠 High   ⏱ 5–30 min  Last verified: 5 July 2026 Affected versions: Ubuntu 26.04 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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