Availability Risk
The latest Availability Risk coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2026-46015 Linux Kernel TCP Flaw Exposes Availability Risk – What Windows Users Need to Know
The National Vulnerability Database (NVD) published CVE-2026-46015 on May 27, 2026, flagging a critical flaw in the Linux kernel’s TCP networking stack. This bug, originating from a missing...
Microsoft Flags High-Severity Linux Kernel Flaw: How to Tell if CVE-2026-31563 Affects Your Network
Microsoft's Security Update Guide has published an advisory for CVE-2026-31563, a high-severity vulnerability in the Linux kernel's Cadence MACB/GEM Ethernet driver that could allow remote attackers...
One Missing Spinlock in Linux CAN BCM Can Crash Kernels: Patch Now to Protect WSL and Industrial Gear
{ "title": "One Missing Spinlock in Linux CAN BCM Can Crash Kernels: Patch Now to Protect WSL and Industrial Gear", "content": "On March 25, 2026, the National Vulnerability Database assigned...
CVE-2026-35535: Microsoft's Denial of Service Vulnerability and Practical Risk Assessment
Microsoft has disclosed CVE-2026-35535, a denial of service vulnerability affecting multiple Windows components that could allow attackers to disrupt system availability. The vulnerability appears in...
Linux Kernel VSOCK Vulnerability CVE-2026-23069: Arithmetic Underflow Threatens System Availability
The Linux kernel development team has patched a critical arithmetic underflow vulnerability in the virtio VSOCK transport that could allow remote attackers to crash systems or cause indefinite hangs....
QEMU pvrdma CVE-2023-1544: Critical Virtualization Vulnerability Explained
A critical vulnerability in QEMU's paravirtualized RDMA (Remote Direct Memory Access) implementation has been discovered, tracked as CVE-2023-1544, which allows malicious virtual machine guests to...
OCFS2 CVE-2024-42077: Critical Linux Filesystem Bug Fixed After Journal Credit Exhaustion Risk
A critical vulnerability in the Oracle Cluster File System 2 (OCFS2) has been patched after researchers discovered a subtle accounting error that could lead to complete system unavailability in Linux...
CVE-2025-38149: Linux Kernel PHY Bug Poses Critical Availability Risk
A critical vulnerability in the Linux kernel's PHY (Physical Layer) subsystem, tracked as CVE-2025-38149, has been disclosed, posing significant availability risks to systems ranging from enterprise...
CVE-2025-50094: Critical MySQL Server DoS Vulnerability Analysis & Patch Guide
Oracle's July 2025 Critical Patch Update has revealed a significant denial-of-service vulnerability in MySQL Server, tracked as CVE-2025-50094, that poses a serious threat to database availability...
CVE-2024-44940: How a Linux Kernel Debug Warning Became a Security Vulnerability
A seemingly minor change in the Linux networking stack has sparked significant discussion in both security and operational communities. CVE-2024-44940, which involves the removal of a debug warning...
Google's Protobuf Java Parsing Flaw Can Paralyze Services — Here's How to Fix CVE-2022-3510
In December 2022, Google disclosed a parsing inefficiency in its widely used Protocol Buffers (protobuf) Java library, tracked as CVE-2022-3510, that allows remote attackers to freeze Java services...
Libvirt CVE-2024-2496: Critical DoS Vulnerability Patched in Virtualization Stack
A critical vulnerability in the libvirt virtualization management library has been patched, addressing a denial-of-service (DoS) condition that could crash the libvirt management daemon on affected...