Kernel Security
The latest Kernel Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Azure Linux, CBL Mariner get urgent patch for Ravb driver RCE flaw CVE-2025-21801
A significant security vulnerability designated CVE-2025-21801 has been identified in the Renesas Ethernet AVB (ravb) driver within the Linux kernel, posing a critical risk to Microsoft's Azure Linux...
Azure Linux VEX for CVE-2025-21768 reveals nuance between library flaw and real exploit risk.
Microsoft's recent security advisory regarding CVE-2025-21768 has generated significant discussion within the Azure Linux community, particularly around the nuanced distinction between vulnerability...
Linux DRM CVE-2024-42081: How a Missing NULL Check Threatens Kernel Stability
In the intricate architecture of the Linux kernel, where millions of lines of code manage everything from memory to hardware, a single missing check can create a cascade of instability. This was...
Linux Kernel eBPF Flaw Could Crash Your System - Here's How to Fix It
Linux kernel maintainers released a fix this month for a vulnerability in the eBPF verifier that, if exploited, could allow a local attacker to crash the entire system. Tracked as CVE-2024-42151, the...
Microsoft Ships Azure Linux Patch for Kernel Flaw That Let Attackers Crash VMs During Device Hotplug
Microsoft has patched a security vulnerability in its Azure Linux distribution that allows an attacker with local access to crash a virtual machine by triggering a device hotplug operation. The flaw,...
Microsoft Flags Linux Kernel Flaw in Azure Linux but Leaves WSL2 Status Unclear
Microsoft has confirmed that a recently disclosed Linux kernel vulnerability, tracked as CVE-2024-41008, affects its Azure Linux distribution, but the company stopped short of confirming whether...
Linux Kernel DRM XE Patch Fixes Critical Arithmetic Overflow Vulnerability (CVE-2024-42066)
A critical security vulnerability in the Linux kernel's Direct Rendering Manager (DRM) XE driver, identified as CVE-2024-42066, has been patched to address a subtle but dangerous arithmetic overflow...
CVE-2024-42065: How a Simple NULL Check Patch Prevents Linux Kernel DoS Attacks
A seemingly minor defensive change in the Linux kernel's DRM XE graphics driver has been assigned CVE-2024-42065, highlighting how even small coding oversights can create significant security...
CVE-2024-42107: Critical Intel Ice Driver TOCTOU Vulnerability Fixed in Linux Kernel
A significant security vulnerability in the Intel \"ice\" network driver has been patched in the Linux kernel, addressing a race condition that could lead to kernel panics and potential...
Linux RDMA siw CVE-2024-57857: Critical Kernel Vulnerability Analysis & Mitigation
A critical vulnerability in the Linux kernel's RDMA (Remote Direct Memory Access) siw (Soft iWARP) driver has been disclosed, tracked as CVE-2024-57857, posing significant security risks to systems...
Azure Linux VEX Attestation for CVE-2024-57809: A Defender's Guide
Microsoft's recent VEX (Vulnerability Exploitability eXchange) attestation for CVE-2024-57809 in Azure Linux represents a significant evolution in cloud security transparency, providing defenders...
Azure Linux CVE-2024-57804: Microsoft's Attestation Strategy and Security Implications
Microsoft's recent public attestation regarding CVE-2024-57804 in Azure Linux represents a significant shift in how cloud providers communicate security vulnerabilities, particularly when dealing...