Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
USN-8906-1 and CVE-2025-10263: Ubuntu Linux Kernel IBM Patch Guide for Arm TLB Privilege Escalation
USN-8906-1 and CVE-2025-10263: Ubuntu Linux Kernel IBM Patch Guide for Arm TLB Privilege Escalation Canonical has published USN-8906-1, an U...
Ubuntu LSN-0122-1: Linux Kernel Use-After-Free and NULL Dereference Flaws in DLM, brcmfmac, and padata — Live Patch Mitigation Guide
Introduction Canonical has published Kernel Live Patch Security Notice LSN-0122-1, resolving three distinct memory-safety vulnerabilities in...
USN-8887-1: Ubuntu Linux Kernel Security Update — SEV-SNP Integrity Risk and Multi-Subsystem Patching Guide
USN-8887-1: What Defenders Need to Know About the Latest Ubuntu Kernel Update Canonical has published USN-8887-1, a Linux kernel security up...
USN-8886-1: Linux Kernel Vulnerabilities on NVIDIA Tegra — Patching and Detection Guide for Ubuntu Jetson Fleets
USN-8886-1: A Wide-Surface Kernel Patch That Deserves Immediate Attention Canonical has released USN-8886-1, a security update for the Linux...
USN-8864-1: Linux Kernel Vulnerabilities in NFS, IPv6, and Netfilter (CVE-2025-38724, CVE-2026-53131, CVE-2026-53221) — Patching and Detection Guide
Introduction Canonical has published USN-8864-1, an Ubuntu Security Notice correcting multiple vulnerabilities in the Linux kernel. Accordin...
USN-8816-4: Ubuntu GKE Linux Kernel Vulnerabilities — Detection, Patching, and Hardening Guide
Introduction Canonical has published USN-8816-4, a security update addressing multiple vulnerabilities in the Linux kernel build optimized f...
USN-8816-3: Ubuntu Linux Oracle Kernel Vulnerabilities — Patching and Detection Guide for Defenders
Overview Canonical has released USN-8816-3, a security update for the Oracle Cloud (linux-oracle) kernel flavor used on Ubuntu instances run...
Ubuntu USN-8822-1: Libwebsockets DoS Vulnerabilities — Detection, Patching, and Hardening Guide
Introduction Canonical has released Ubuntu Security Notice USN-8822-1, addressing several security vulnerabilities in Libwebsockets — the li...
USN-8819-2: Linux Kernel Flaws in NFS, IPv6, and Netfilter (CVE-2025-38724, CVE-2026-53131, CVE-2026-53221) — Detection and Patching Guide
Overview Canonical has published USN-8819-2, a Linux kernel security update addressing three vulnerabilities — CVE-2025-38724, CVE-2026-5313...