Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
USN-8666-3: Linux Kernel (GCP FIPS) Vulnerabilities — CVE-2025-27558 WiFi Mesh Packet Injection and Multi-Subsystem Flaws
Introduction Canonical has published USN-8666-3, a security update for the FIPS-certified Linux kernel builds used on Google Cloud Platform ...
CVE-2026-53362: Linux Kernel Flaw Exploited on OpenAI's Own Systems — KEV-Listed Detection and Remediation Guide
Introduction CISA has added CVE-2026-53362 — a Linux kernel vulnerability — to its Known Exploited Vulnerabilities (KEV) catalog, alongside ...
Ubuntu LSN-0121-1: ksmbd Use-After-Free and nf_conntrack_h323 Flaws Patched via Kernel Livepatch — Detection and Remediation Guide
Ubuntu LSN-0121-1: ksmbd Use-After-Free and nfconntrackh323 Fixes — Defender's Guide Canonical has published Kernel Live Patch Security Noti...
CVE-2026-53362: Linux Kernel IPv6 Privilege Escalation Actively Exploited — Detection and Remediation Guide
Introduction On August 27, 2026, CISA added CVE-2026-53362 to its Known Exploited Vulnerabilities (KEV) catalog, confirming what many of us ...
USN-8659-4: Linux Kernel Open vSwitch Flaw on Oracle Kernels — Detection and Remediation Guide
Introduction Canonical has published USN-8659-4, a Linux kernel security update targeting the Oracle kernel builds used on Ubuntu systems. T...
USN-8659-2: Linux Kernel HWE Open vSwitch Vulnerability — Patching, Detection, and Hardening Guide
Introduction Canonical has published USN-8659-2, an updated Ubuntu Security Notice correcting a flaw in the Linux kernel's Open vSwitch (OVS...
CVE-2025-27558: Linux Kernel Wi-Fi Mesh Packet Injection (USN-8661-2) — Detection, Patching, and Hardening Guide
Overview Canonical has published USN-8661-2, a follow-on kernel security update for the Low Latency kernel flavor on supported Ubuntu releas...
CVE-2026-64531: Ubuntu 24.04 LTS HWE Kernel (linux-hwe-7.0) Vulnerability — Patching and Third-Party Module Remediation Guide
Introduction Canonical has issued an update notice (USN-8659-2) for the Hardware Enablement (HWE) kernel stack on Ubuntu 24.04 LTS (Noble Nu...
USN-8669-1: Ubuntu Linux Kernel (NVIDIA) Vulnerabilities — Patch and Detection Guide
USN-8669-1: Ubuntu Linux Kernel (NVIDIA) Vulnerabilities — Patch and Detection Guide Canonical has published USN-8669-1, a security update a...