chris

Amazon Linux 2 — docker — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — docker — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 6, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2ECS-2026-108 Related CVEs: CVE-2026-27143 CVE-2026-27144 CVE-2026-32280 CVE-2026-32281 CVE-2026-32282 CVE-2026-32283 CVE-2026-32288 CVE-2026-32289  +12 more Upstream summary: Arithmetic over induction variables in loops were not correctly checked for underflow or overflow in […]

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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-2025-20649)

  • June 6, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 6 June 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20649 Related CVEs: CVE-2025-38724 CVE-2025-39866 CVE-2025-39881 CVE-2025-39698 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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Rocky Linux 8 — golang — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — golang — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • June 6, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:10704 Related CVEs: CVE-2026-27140 CVE-2026-27143 CVE-2026-27144 CVE-2026-32280 CVE-2026-32282 CVE-2026-32283 CVE-2025-61731 CVE-2026-25679  +7 more Upstream summary: Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as […]

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SLES 16 — ntfs — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — ntfs — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 6, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 6 June 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:1571-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-40706 CVE-2021-33285 CVE-2021-33286 CVE-2021-33287 CVE-2021-33289 CVE-2021-35266 CVE-2021-35267 CVE-2021-35268  +12 more Upstream summary: In NTFS-3G 2022.10.3 before 2026.2.25, a heap buffer overflow exists in ntfs_build_permissions_posix() in […]

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Debian 13 — mutt — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — mutt — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 6, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 6 June 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0140 CVE-2003-0167 CVE-2004-0078 CVE-2005-2351 CVE-2006-3242 CVE-2006-5297 CVE-2006-5298 CVE-2007-1268  +12 more Upstream summary: Buffer overflow in Mutt 1.4.0 and possibly earlier versions, 1.5.x up to 1.5.3, and other programs […]

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Ubuntu 20.04 — linux-nvidia-tegra-5.15 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-nvidia-tegra-5.15 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 6, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 6 June 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8255-3 Related CVEs: CVE-2023-2640 CVE-2023-32629 CVE-2026-23112 CVE-2026-23273 CVE-2024-35862 CVE-2024-50060 CVE-2026-23274 CVE-2026-23351  +12 more Upstream summary: Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux […]

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Fedora 42 — dotnet8.0 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — dotnet8.0 — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • June 6, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-b1a2f623e7 Related CVEs: CVE-2026-32175 CVE-2026-32177 CVE-2026-35433 CVE-2026-42899 CVE-2026-26171 CVE-2026-32178 CVE-2026-32203 CVE-2026-33116 Upstream summary: Update to .NET SDK 8.0.127 and Runtime 8.0.27 Fixes: CVE-2026-32175,CVE-2026-32177,CVE-2026-35433,CVE-2026-42899 Release Notes: – SDK: https://github.com/dotnet/core/blob/main/release-notes/8.0/8.0.27/8.0.127.md – Runtime: https://github.com/dotnet/core/blob/main/release-notes/8.0/8.0.27/8.0.27.md Table […]

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Common Problems 115894

Ubuntu 26.04 LTS – apt update fails due to dpkg lock contention – Fix & Prevention

  • June 6, 2026
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 6 June 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 Secure the MariaDB Installation on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Secure the MariaDB Installation on FreeBSD 15

Introduction FreeBSD 15 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up secure the mariadb installation on FreeBSD 15 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This guide […]

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How to Set Up a Go Web Application on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Set Up a Go Web Application on SLES 16

Introduction This tutorial covers How to Set Up a Go Web Application on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 16 system is up to […]

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