Kernel Security
The latest Kernel Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Rust Becomes Mandatory for Some New Linux Kernel Drivers as Experiment Ends
Greg Kroah-Hartman, the stable kernel maintainer for Linux, delivered a definitive message at Open Source Summit India in Mumbai on July 15, 2026: Rust is no longer an experiment in the kernel...
Microsoft Fixes Use-After-Free Kernel Bug (CVE-2026-50393) in Windows 11, Server 2025 — Here’s How to Patch
Microsoft on July 14, 2026, released security updates that patch a high-severity privilege escalation vulnerability in the Windows kernel. The flaw, tracked as CVE-2026-50393, could allow a...
Patch Alert: CVE-2026-53359 KVM Use-After-Free Allows Guest-to-Host Escape – What It Means for Windows Users
A critical vulnerability in the Linux kernel’s KVM hypervisor, made public on July 4, 2026, allows any virtual machine guest to crash the host system and, in worst-case scenarios, achieve full code...
Riot's Vanguard anti-cheat goes on-demand, requiring TPM attestation on Windows 11 25H2.
Riot Games is adding an on-demand mode for its Vanguard anti-cheat software, allowing League of Legends and VALORANT players to run the kernel-level driver only while playing—if their Windows 11...
CVE-2026-46301: Linux Kernel's spi-topcliff-pch Driver Hit by Critical DMA Use-After-Free Flaw
A major Linux kernel vulnerability, CVE-2026-46301, was disclosed on June 8, 2026, that could allow local attackers to escalate privileges or cause denial of service. The flaw resides in the...
CVE-2026-46275: Critical Linux Kernel Bluetooth Flaw Exposes Systems to Use-After-Free Attacks
Linux kernel maintainers issued a critical security advisory on June 8, 2026, for a newly disclosed vulnerability in the Bluetooth hci_uart driver that could let attackers execute arbitrary code or...
CVE-2026-46125: Wi-Fi 7 mac80211 Use-After-Free Flaw Puts Linux Systems at Risk
The National Vulnerability Database published CVE-2026-46125 on May 28, 2026, exposing a dangerous use-after-free vulnerability in the Linux kernel's mac80211 wireless stack. The flaw arises from...
CVE-2026-46146: Linux Kernel ALSA USB Audio Bug Could Trigger Endless Loop, Threatening WSL Users
The National Vulnerability Database published a new Linux kernel vulnerability on May 28, 2026, tagged as CVE-2026-46146. This flaw, lurking in the ALSA USB-audio driver, can be triggered by a...
CVE-2026-46082: KVM AMD SVM Vulnerability Fixed – What Windows Users Need to Know
A vulnerability in the Linux kernel's Kernel-based Virtual Machine (KVM) hypervisor that could have allowed malicious virtual machines to bypass AMD's virtualization protections has been patched. The...
CVE-2026-45912: Ext4 Stale Extent Caching Flaw Hits Linux Kernel — What Windows Users Need to Know
The National Vulnerability Database (NVD) published details of CVE-2026-45912 on May 27, 2026, a newly disclosed vulnerability in the Linux kernel’s ext4 filesystem. The flaw stems from stale...
Linux Kernel CVE-2026-46065: Hot-Unplug Bug in fbdev Deferred I/O Could Impact Windows Users
A newly disclosed Linux kernel flaw, tracked as CVE-2026-46065, fixes a critical lifetime issue in the framebuffer (fbdev) deferred I/O subsystem that can be triggered after a graphics device is...
Microsoft Driver Quality Initiative Aims to Purge Faulty Drivers and Fortify Windows 11 Stability
Microsoft is finally putting its foot down on third-party driver chaos. At the WinHEC 2026 conference in Taipei on May 14, the company unveiled the Driver Quality Initiative, a sweeping program...