Kernel Security
The latest Kernel Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Azure Linux Attestation: Microsoft's Security Guarantee Explained
Microsoft's recent security advisory regarding Azure Linux has sparked significant discussion in the enterprise security community, revealing important nuances about how cloud providers communicate...
Azure Linux CVE-2024-26909: Understanding Microsoft's Attestation & Security Responsibilities
The recent disclosure of CVE-2024-26909, a kernel vulnerability affecting Azure Linux (formerly CBL-Mariner), has sparked significant discussion about Microsoft's security attestation practices and...
Windows 11 Kernel Security Flaws Exposed: Project Zero Reveals Critical Design Vulnerabilities
Microsoft's ambitious effort to fortify Windows 11 security by establishing privilege elevation as a true security boundary has encountered fundamental challenges rooted in decades of legacy kernel...
Microsoft Patches Critical Win32k Kernel Flaw (CVE-2026-20863): Your Urgent Action Plan
Microsoft has released security updates to patch a critical elevation-of-privilege vulnerability in the Windows Win32k kernel subsystem, tracked as CVE-2026-20863. If left unpatched, the flaw could...
CVE-2025-38502: Azure Linux BPF Vulnerability Exposes Microsoft Cloud Infrastructure
Microsoft's recent disclosure of CVE-2025-38502 has sent shockwaves through the cloud security community, revealing a critical vulnerability in the Berkeley Packet Filter (BPF) component of Azure...
CVE-2025-38624: Microsoft Confirms Azure Linux Impact, But Other Products Not Yet Verified
Microsoft has published an advisory for CVE-2025-38624, a Linux kernel vulnerability that can trigger kernel panics in the PowerNV PCI hotplug driver. The company confirmed that its Azure Linux...
Microsoft Warns Azure Linux Users: Kernel Crash Bug Patched, But More Systems Could Be Vulnerable
Microsoft has publicly confirmed that Azure Linux carries a kernel-level flaw that can be exploited to crash affected systems. The vulnerability, tracked as CVE-2025-38635, stems from a missing...
Azure Linux at Risk from Kernel Bug CVE-2025-38639: What to Patch Now
Microsoft has confirmed that Azure Linux is vulnerable to a memory corruption bug in the Linux kernel’s netfilter subsystem. The advisory, published under the company’s new CSAF/VEX transparency...
Intel P-Unit IPC Kernel Bug: Why a Single Extra Ampersand Threatens Your System and How to Patch It Now
On December 16, 2025, Microsoft published security advisory CVE-2025-68303, warning that a subtle pointer mistake in the Linux kernel's Intel P-Unit IPC driver can corrupt kernel memory, crash...
Microsoft Confirms Azure Linux Affected by CVE-2025-38482; Other Products May Still Be at Risk
Microsoft has issued an advisory for CVE-2025-38482, a vulnerability in the Linux kernel's comedi subsystem that could allow a local attacker to trigger undefined behavior via a...
Kernel Flaw Let Attackers Crash Ceph Clusters: Here’s the Fix (CVE-2025-68283)
On December 16, 2025, the Linux kernel maintainers committed a patch that neutralizes a serious vulnerability in the Ceph storage client. The fix, assigned CVE-2025-68283, eliminates a kernel panic...
CVE-2025-38425: Microsoft Says Azure Linux Affected—Here’s What to Do About All Your Other Microsoft Linux Installations
Microsoft’s July 2025 advisory for CVE-2025-38425 confirms that Azure Linux kernels are vulnerable to a local out-of-bounds read bug. For the first time, the company is delivering that news in a...