Linux Kernel
The latest Linux Kernel coverage — news, analysis, and updates from the WindowsNews.AI desk.
Linux Kernel Patch Fixes Use-After-Free Bug in CAN Raw Socket Receive
Security researchers have identified a use-after-free vulnerability in the Linux kernel's CAN subsystem, specifically within the raw socket receive path. Tracked as CVE-2026-31532, the flaw resides...
CVE-2026-31525: Subtle BPF Interpreter Bug in Linux Kernel's Signed Division Could Lead to Incorrect Behavior
A recently disclosed vulnerability in the Linux kernel, tracked as CVE-2026-31525, reveals a subtle but significant correctness flaw in the BPF interpreter's handling of signed 32-bit division and...
Linux Kernel Fix Patches Critical XFS Use-After-Free Bug
Linux administrators are waking up to a new XFS kernel flaw that looks deceptively small in code but serious in consequence. CVE-2026-31453 affects the Linux kernel’s XFS journaling path, where...
Linux kernel patch fixes memory leak and infinite loop in Bluetooth L2CAP ERTM
A recently disclosed vulnerability in the Linux kernel's Bluetooth subsystem, CVE-2026-31498, has been addressed with a patch that resolves two intertwined issues: a memory leak and an infinite loop...
CVE-2026-31503: Linux Kernel UDP Wildcard Bind Bypass Could Let Attackers Hijack Ports
A newly disclosed Linux kernel vulnerability, tracked as CVE-2026-31503, exposes a subtle but dangerous flaw in UDP port binding logic. The bug allows a socket to bind to a wildcard address (0.0.0.0)...
Microsoft Advisory for Linux CVE-2026-31509: NFC Deadlock Fix You Can’t Ignore
Microsoft rang the bell on April 22, 2026, for a Linux kernel vulnerability that at first glance appears arcane: a deadlock in the NFC (Near Field Communication) device shutdown path. Designated...
CVE-2026-31447: Linux ext4 Mount Hardening Blocks Risky Bigalloc Layouts—What Windows Users Need to Know
The Linux kernel project has disclosed a new mount-time validation flaw in the ext4 filesystem, tracked as CVE-2026-31447 and syndicated through Microsoft’s Security Response Center on April 22,...
ext4 Now Refuses to Mount Risky Bigalloc Drives: What You Need to Know About CVE-2026-31447
On April 22, 2026, the National Vulnerability Database dropped CVE-2026-31447, a security update that forces the Linux kernel's ext4 filesystem to reject a specific, dangerous configuration. The fix...
CVE-2026-31500: Linux Intel Bluetooth Bug Triggers Kernel Crashes—And Microsoft Has an Advisory for It
A newly disclosed vulnerability in the Linux kernel’s Intel Bluetooth driver can crash systems or enable memory corruption attacks, with Microsoft quietly listing the flaw in its own security...
Critical Linux Bluetooth Bug Could Crash Your Laptop During Shutdown—Here’s the Fix
A race condition in the Linux kernel’s Intel Bluetooth driver can corrupt memory and crash your system during shutdown or error recovery. Microsoft has now listed the flaw, tracked as...
Microsoft Flags Linux Kernel Panic Bug CVE-2026-31507 in WSL — Update Now
Microsoft’s Security Response Center has published an advisory for CVE-2026-31507, a Linux kernel vulnerability that can crash a system with a repeated tee operation on SMC network data. The bug...
CVE-2026-31485: A Tiny Linux Kernel Bug with Big Consequences for Embedded Systems
A routine software teardown should never crash a system. But a newly published Linux kernel vulnerability (CVE-2026-31485) shows how a subtle race condition in a widely used SPI driver can do exactly...