Security Alerts
The latest Security Alerts coverage — news, analysis, and updates from the WindowsNews.AI desk.
Linux Kernel Btrfs Bug CVE-2026-45934: DUP Overlap Triggers Transaction Abort
A critical flaw in the Linux kernel's Btrfs file system, tracked as CVE-2026-45934, can trigger transaction aborts and jeopardize data integrity when using the DUP metadata profile. The...
CVE-2026-45858: ext4 Bug Risks WSL2, Azure VMs—Patch Now
A critical vulnerability in the Linux kernel's ext4 filesystem, tracked as CVE-2026-45858, was disclosed on May 27, 2026, by the National Vulnerability Database (NVD) following a report from...
CVE-2026-45987: Linux Kernel KVM Flaw in AMD Nested Virtualization Can Hang L2 Guests After Restore
A newly disclosed vulnerability in the Linux kernel's KVM hypervisor can freeze nested virtual machines on AMD processors after a VM restore operation. Tracked as CVE-2026-45987 and rated 6.5...
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...
SPI Resource Leak Bug CVE-2026-46083 Threatens Windows WSL and Linux VMs
A resource leak vulnerability in the Linux kernel's Serial Peripheral Interface (SPI) subsystem, tracked as CVE-2026-46083, was published by the National Vulnerability Database on May 27, 2026. The...
CVE-2026-46099: Linux Kernel Use-After-Free via IPv6 Segment Routing Race – Impact on Windows?
Linux kernel maintainers disclosed CVE-2026-46099 on May 27, 2026, a critical vulnerability that highlights deepening scrutiny of the IPv6 networking stack. The flaw, found in the lightweight-tunnel...
Critical Linux Kernel Flaw CVE-2026-46092: Realtek rtw88 Wi-Fi Crash Fix for Uncommon PCI Setups
A newly disclosed Linux kernel flaw in the Realtek rtw88 Wi-Fi driver can crash systems with certain RTL8821CE adapters, but only when the hardware lives in an unusual PCI arrangement....
CVE-2026-46103: Critical Linux Kernel Use-After-Free in ucan USB CAN Driver – One-Line Fix Available
A dangerous use-after-free vulnerability in the Linux kernel's ucan USB CAN driver received official designation as CVE-2026-46103 on May 27, 2026. The flaw stems from a device resource management...
CVE-2026-46019: Linux Atmel AES Driver Memory Leak Fix Explained – What Windows Users Should Know
A new Linux kernel vulnerability, tracked as CVE-2026-46019, has been published by the National Vulnerability Database (NVD) on May 27, 2026. The vulnerability stems from a memory leak in the Atmel...
CVE-2026-45942: Linux Kernel ext4 Race Fix Prevents Bitmap Inconsistency After Huge-Page Loads
The US National Vulnerability Database published CVE-2026-45942 on May 27, 2026, detailing a race condition in the Linux kernel's ext4 filesystem. The flaw involves a hazardous interplay between...
Linux SPI-IMX Use-After-Free: Why WSL and Azure Teams Face Risk
The National Vulnerability Database published CVE-2026-45996 on May 27, 2026, flagging a use-after-free flaw in the Linux kernel’s i.MX SPI controller driver. Unbinding device ‘spi-imx’ leaves...
Linux Kernel RxRPC Bug Fixed: Drop Partial Decryption Packets
A newly disclosed vulnerability in the Linux kernel's RxRPC subsystem, tracked as CVE-2026-45988, has been patched to drop partially decrypted RESPONSE packets, closing a potential attack vector that...