Troubleshooting

openSUSE Tumbleweed — corosync — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — corosync — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14933-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-30472 CVE-2026-35091 Upstream summary: Corosync through 3.1.9, if encryption is disabled or the attacker knows the encryption key, has a stack-based buffer overflow in orf_token_endian_convert […]

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Common Problems 115962

Ubuntu 26.04 LTS – no audio output after kernel update – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 May 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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How to Configure auditd System Auditing on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure auditd System Auditing on FreeBSD 15

Introduction This guide explains how to Configure auditd System Auditing 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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SLES 15 — runc — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — runc — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:19927 (see also SUSE bugzilla) Related CVEs: CVE-2025-31133 CVE-2025-52565 CVE-2025-52881 CVE-2024-21626 CVE-2023-27561 CVE-2021-30465 CVE-2023-25809 CVE-2023-28642  +10 more Upstream summary: runc is a CLI tool for spawning and running containers according to the […]

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SLES 16 — go1.26 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — go1.26 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0876-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-27138 CVE-2026-33810 CVE-2026-27137 Upstream summary: Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the […]

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openSUSE Leap 15.6 — MozillaThunderbird — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — MozillaThunderbird — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:6188 (see also SUSE bugzilla) Related CVEs: CVE-2026-3889 CVE-2026-4371 CVE-2025-5986 CVE-2025-5262 CVE-2025-3875 CVE-2025-3877 CVE-2025-3909 CVE-2025-3932  +11 more Upstream summary: Spoofing issue in Thunderbird. This vulnerability was fixed in Thunderbird 149 and […]

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SLES 16 — php-composer2 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — php-composer2 — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:1784-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-40176 CVE-2026-40261 CVE-2021-41116 CVE-2022-24828 CVE-2024-24821 CVE-2024-35241 CVE-2024-35242 CVE-2023-43655  +1 more Upstream summary: Composer is a dependency manager for PHP. Versions 1.0 through 2.2.26 and 2.3 […]

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

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2025-28048)

🟠 High   ⏱ 15–60 min  Last verified: 14 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-28048 Related CVEs: CVE-2024-43876 CVE-2024-43877 CVE-2025-22058 CVE-2025-23143 CVE-2025-38678 CVE-2025-39880 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Configure ezjail on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure ezjail on FreeBSD 15

Introduction How to Configure ezjail on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, and […]

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Common Problems 115981

Ubuntu 26.04 LTS – Wi-Fi adapter not detected after reboot – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 May 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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