Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
USN-8729-5: Ubuntu Linux Kernel (AWS FIPS) Vulnerabilities — Patching and Detection Guide for Cloud Workloads
Overview Canonical has published USN-8729-5, a security update for the Linux kernel used in AWS FIPS environments, addressing multiple vulne...
USN-8800-1: NVIDIA BaseOS Linux Kernel Vulnerabilities — Patch Verification and Local Privilege Escalation Detection Guide
A Kernel Update You Should Not Defer Canonical has published USN-8800-1, a security update addressing multiple vulnerabilities in the Linux ...
USN-8781-1: Linux Kernel (NVIDIA Tegra) TLB Invalidation Flaw CVE-2025-10263 — Detection and Remediation Guide
Introduction Canonical has published USN-8781-1, a security update for the Linux kernel targeting NVIDIA Tegra platforms. The headline issue...
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...
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...
USN-8597-1: Mitigating AMD Speculative Execution Vulnerabilities (CVE-2025-54505)
USN-8597-1: Mitigating AMD Speculative Execution Vulnerabilities (CVE-2025-54505) Introduction Defenders, pay attention. Ubuntu has released...
USN-8492-3: Critical Linux Kernel Vulnerabilities in Raspberry Pi Real-time — Detection and Hardening
Introduction Ubuntu has released USN-8492-3, addressing a critical set of security vulnerabilities discovered in the Linux kernel specifical...