Troubleshooting

SLES 15 — pam_u2f — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — pam_u2f — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:0167-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-23013 CVE-2021-31924 CVE-2019-12209 CVE-2019-12210 CVE-2019-9578 Upstream summary: In Yubico pam-u2f before 1.3.1, local privilege escalation can sometimes occur. This product implements a Pluggable Authentication Module […]

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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: 25 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: 25 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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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: 25 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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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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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: 25 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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FreeBSD 15 — linux-firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mozilla — multiple vulnerabilities Related CVEs: CVE-2005-0399 CVE-2005-0402 CVE-2005-0752 CVE-2005-0989 CVE-2005-1476 CVE-2005-1477 CVE-2005-1937 CVE-2005-2260  +12 more Upstream summary: Mozilla Foundation reports: CVE-2019-11751: Malicious code execution through command line parameters CVE-2019-11746: […]

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How to Configure Docker Resource Limits on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure Docker Resource Limits on FreeBSD 15

Introduction How to Configure Docker Resource Limits 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 […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 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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