Null Pointer Dereference
The latest Null Pointer Dereference coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2026-53297: Microsoft’s Azure MANA Driver Flaw Crashes Linux VMs with Kernel Panic
A newly disclosed vulnerability in Microsoft’s Azure Network Adapter (MANA) driver for Linux can be exploited to trigger a kernel panic, crashing virtual machines running in Azure. Tracked as...
CVE-2026-45834: The Linux Bluetooth Fix That Windows Shops Can't Afford to Miss
On May 26, 2026, the Linux kernel maintainers disclosed and patched a Bluetooth flaw tracked as CVE-2026-45834. The vulnerability—a missing NULL pointer check in the L2CAP protocol handler—could...
Linux Bluetooth Bug CVE-2026-45835 Fixed—Here’s Why Your Windows Fleet Should Care
The Linux kernel team has patched a Bluetooth flaw that could crash systems running kernel versions going back to 3.1. CVE-2026-45835, published by the National Vulnerability Database on May 26,...
Linux kernel CVE-2026-23438: changing MTU on PHY-less mvpp2 port crashes systems up to 6.12
A newly tracked Linux kernel flaw in the Marvell mvpp2 Ethernet driver shows how a tiny missing condition can still bring down a system, and this one is now cataloged as CVE-2026-23438. The bug is a...
CVE-2026-31458: The Linux Kernel Flaw That Crashes DAMON When Contexts Go Empty
A newly disclosed Linux kernel vulnerability, CVE-2026-31458, can crash systems using the Data Access MONitoring (DAMON) subsystem when administrators shrink monitoring contexts to zero while the...
CVE-2026-31422: Linux Kernel Networking Flaw Exposes Shared Block Vulnerability
CVE-2026-31422 reveals a critical vulnerability in the Linux kernel's networking subsystem that could lead to system crashes through a NULL pointer dereference. The flaw resides specifically in the...
Linux Kernel CVE-2026-31421: Critical NULL Pointer Dereference in tc cls_fw Traffic Control
A newly assigned Linux kernel vulnerability, CVE-2026-31421, exposes a critical NULL pointer dereference in the traffic control subsystem's cls_fw classifier. This security flaw affects shared block...
Linux RDMA siw Kernel Fix Addresses Critical NULL Pointer Dereference in iWARP Receive Path
A recent Linux kernel patch targeting the RDMA/siw subsystem fixes a potential NULL pointer dereference vulnerability in the software iWARP receive path. The bug, discovered in the rdma_siw_receive()...
CVE-2025-6858: Critical HDF5 Null Pointer Vulnerability Threatens Scientific & Windows Applications
A newly disclosed vulnerability in the widely used HDF5 data management library, cataloged as CVE-2025-6858, poses a significant denial-of-service risk to thousands of scientific, engineering, and...
CVE-2025-2926: HDF5 Crash Bug Exploits Metadata Flaw — Patch Now to Stop DoS Attacks
A null-pointer dereference in the HDF5 library (CVE-2025-2926) lets attackers crash applications processing specially crafted HDF5 files. The flaw, confirmed and patched upstream in March 2025,...
CVE-2025-40110: Critical Linux Kernel vmwgfx Flaw Fixed - Windows Users at Risk?
A critical security vulnerability in the Linux kernel's VMware graphics driver has been patched upstream, raising important questions about security implications for Windows users who interact with...
CVE-2024-49921: Linux Kernel AMDGPU Display Driver Vulnerability Explained
A critical security vulnerability in the Linux kernel's AMDGPU display driver has been identified and patched, tracked as CVE-2024-49921. This null pointer dereference vulnerability in the...