Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
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...
CVE-2025-54505: AMD Speculative Execution Flaw Patched in Ubuntu GCP Kernel — Detection and Remediation Guide
Overview Canonical has released USN-8668-1, a security update for the Linux kernel on Google Cloud Platform (GCP) images, addressing three d...
CVE-2025-54518: USN-8664-1 Patches AMD Zen 2 Op Cache Privilege Escalation in NVIDIA BaseOS Linux Kernel — Detection and Remediation Guide
USN-8664-1: What Happened and Why It Matters Canonical has published USN-8664-1, a Linux kernel security update for NVIDIA BaseOS — the Ubun...
USN-8665-1: AMD CPU Flaws Patched in Ubuntu Raspberry Pi Kernel — CVE-2025-54505, CVE-2025-54518 Remediation Guide
Introduction Canonical has published USN-8665-1, an Ubuntu Security Notice addressing multiple vulnerabilities in the Linux kernel build for...
USN-8630-3: Ubuntu Linux Kernel (Oracle) Vulnerabilities — 16 CVEs Across Netfilter, TCP, IPv6, and SCTP Require Immediate Patching
USN-8630-3: Oracle-Flavor Ubuntu Kernels Carry 16 Fresh CVEs — Here's Your Defensive Playbook Canonical has released USN-8630-3, the third r...
USN-8631-4: CVE-2025-27558 Linux Kernel WiFi Mesh Frame Injection on Azure CVM — Patching and Detection Guide
Overview Canonical has released USN-8631-4, a targeted update for the Linux kernel running on Azure Confidential Virtual Machines (CVM). The...
ZDI-26-573: Linux Kernel KSMBD Out-of-Bounds Read — Detection and Remediation Guide
ZDI-26-573: KSMBD Response Header Out-of-Bounds Read — What Defenders Need to Know The Zero Day Initiative has disclosed ZDI-26-573, a remot...