Kernel Security
The latest Kernel Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
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...
CVE-2026-43267: Flaw in Realtek Wi‑Fi Driver Lets Attackers Crash Linux via Zero Beacon
A newly disclosed Linux kernel vulnerability, CVE-2026-43267, exposes a critical oversight in the Realtek rtw89 Wi‑Fi driver: a zero‑beacon‑interval can trigger a division‑by‑zero error,...
BPF signed division bug in Linux kernel 5.10-6.8 allows arbitrary code execution
A newly disclosed vulnerability in the Linux kernel's BPF subsystem, tracked as CVE-2026-31525, exposes a subtle but critical mismatch between the BPF verifier and interpreter when handling signed...
CVE-2026-31503: Linux Kernel UDP Wildcard Bind Conflict Misses hash2 Threshold
Linux systems are facing a new networking vulnerability that underscores how subtle logic errors can be just as dangerous as memory corruption. Tracked as CVE-2026-31503, this kernel bug affects UDP...
AppArmor bounds check flaw CVE-2026-23407 crashes Linux kernels via malformed policies
A critical memory safety vulnerability in the AppArmor Linux security module, tracked as CVE-2026-23407, exposes systems to kernel-level denial of service attacks and potential integrity compromise....
Linux Bluetooth SCO Use-After-Free Vulnerability (CVE-2026-31408) Explained: Technical Details and Community Response
A fresh use-after-free vulnerability has been discovered in Linux's Bluetooth stack, tracked as CVE-2026-31408. The flaw resides in one of the more complex areas of kernel networking: the SCO...