Linux Kernel Security
The latest Linux Kernel Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2026-43344: Intel Uncore Flaw Hits WSL2, Hyper-V, Azure VMs
On May 8, 2026, a narrow but dangerous vulnerability was patched in the Linux kernel that affects the Intel uncore performance monitoring unit (PMU). The flaw, tracked as CVE-2026-43344, could allow...
CVE-2026-43474: Why This Linux Kernel Bug Is on Microsoft’s Radar and What Windows Teams Need to Do
Microsoft’s Security Update Guide now tracks a newly disclosed Linux kernel vulnerability, CVE-2026-43474, published in early May 2026. The flaw stems from an uninitialized flags_valid field before...
CVE-2026-43052 Linux Wi‑Fi Flaw Threatens Windows Fleets via WSL
On May 1, 2026, kernel.org published a security advisory for CVE-2026-43052, a high-severity vulnerability in the Linux kernel’s Wi-Fi stack. The flaw, rated “High” with a local attack vector,...
Linux Kernel CVE-2026-43036 Leaks Memory via TCP GSO Packet Flaw
A medium-severity vulnerability in the Linux kernel’s network stack exposes systems to a subtle information leak, exploiting the way the kernel handles segmented TCP packets. CVE-2026-43036,...
Dirty Frag Linux Flaw Grants Root: Microsoft Patches WSL Kernel
Microsoft issued an urgent security advisory on May 8, 2026, confirming limited active exploitation of a Linux local privilege escalation vulnerability tracked as Dirty Frag. The attack chain...
CVE-2026-43083: The Linux Kernel Bug That Windows Administrators Can't Ignore
Microsoft’s Security Update Guide quietly added CVE-2026-43083 on May 6, 2026—a vulnerability that doesn’t originate in Windows code at all. The flaw lives deep inside the Linux kernel’s IPv6...
CVE-2026-43199: Linux mlx5 IPsec atomic bug fix for WSL2 & Azure
Microsoft’s Security Update Guide published a new entry on May 6, 2026, for CVE-2026-43199—a Linux kernel vulnerability that strikes at the heart of high‑speed networking. The bug lurks inside...
CVE-2026-43101: Linux IPv6 IOAM NULL Pointer Flaw and Its Ripple Effects on Windows Environments
A newly published vulnerability in the Linux kernel, CVE-2026-43101, exposes a critical NULL pointer dereference in the IPv6 In-situ Operations, Administration, and Maintenance (IOAM) tracing...
CVE-2026-43088: Linux Kernel PF_KEY Bug Exposes 4 Uninitialized IPv6 Bytes — What WSL Users Need to Know
Four uninitialized bytes. That's all it takes for a local attacker to peer into protected kernel memory on a Linux system, and if you run Windows Subsystem for Linux (WSL), your machine might be...
Linux Kernel Patches AMDGPU User Queue Validation Flaw (CVE-2026-43195)
The Linux kernel project has disclosed CVE-2026-43195, a security vulnerability impacting systems with AMD graphics hardware. NVD received the advisory from kernel.org on May 6, 2026, confirming a...
Linux Kernel CVE-2026-43165: Fixing Tiny hwmon Bug Highlights CVE Triage Best Practices
Microsoft added CVE-2026-43165 to its security database on May 6, 2026, after the Linux kernel organization assigned the identifier to a resource leak in the hardware monitoring driver for Nuvoton...
CVE-2026-43237: AMDGPU DMA Fence Bug Triggers Linux Kernel Panic in WSL2
A vulnerability in the Linux kernel's AMDGPU driver, tracked as CVE-2026-43237, can crash systems running Windows Subsystem for Linux when an AMD graphics card is present. The flaw, published on May...