Linux Kernel
The latest Linux Kernel coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2026-31634: Patching the Linux RxRPC Reference Count Bug in Windows-Heavy Environments
Microsoft’s Security Response Center has published a new vulnerability affecting the Linux kernel—CVE-2026-31634, a reference count leak in the RxRPC networking subsystem. While the Windows...
Linux Network Emulator Bug Could Corrupt Memory—Here's What Windows Admins Need to Know
A vulnerability in the Linux kernel’s network emulation queuing discipline (netem) can cause memory corruption under specific tunnel conditions. Patches have been released across multiple stable...
CVE-2026-31677: AF_ALG Crypto Goof Threatens Every WSL Instance and Linux VM in Your Network
A newly disclosed vulnerability in the Linux kernel’s cryptographic socket interface, CVE-2026-31677, can allow local attackers to trigger memory mismanagement and potential denial-of-service or...
Critical KVM Use-After-Free Flaw Exposes Linux Hypervisors – Patch Now to Block Guest Attacks
On April 24, 2026, the National Vulnerability Database published CVE-2026-31588, a memory safety bug in the Linux kernel’s KVM hypervisor that allows a guest virtual machine to trigger a...
Unplugging a USB-C Power Tester Could Crash Your Linux Box—Here’s How to Prevent It
A use-after-free bug in the Linux kernel’s driver for ChargerLAB POWER-Z USB-C testers can destabilize your system when you disconnect the device during a sensor read. CVE-2026-31582 was published...
Why a Linux USB Bug Might Be Your Problem Even If You Only Use Windows
A Linux kernel vulnerability that lets a hostile USB host corrupt memory on connected gadgets was made public on April 24, 2026, and it’s the kind of flaw that can slip under the radar of...
Urgent Linux Kernel Patch: Netfilter Use-After-Free Flaw Threatens Servers, Containers, and WSL
A newly disclosed vulnerability in the Linux kernel's netfilter framework could allow an attacker with firewall management privileges to execute arbitrary code or crash the system. CVE-2026-31665,...
CVE-2026-31638: Linux Kernel RxRPC Bug Causes Denial of Service—Patch Now
A newly disclosed Linux kernel vulnerability can allow an attacker to crash your system with a single malformed network packet. The flaw, tracked as CVE-2026-31638, was published by the National...
Why a Linux NFC vulnerability just showed up on Microsoft’s patch radar – and who needs to act
Microsoft’s Security Response Center (MSRC) added a Linux kernel vulnerability to its advisory feed this week — CVE-2026-31622, a heap overflow in the NFC subsystem. If you’re a Windows user,...
CVE-2026-31674 Alert: Why Windows Shops Must Patch Their Linux Firewalls Now
Late last week, the Linux kernel project disclosed CVE-2026-31674, a vulnerability in the netfilter firewall subsystem that could allow an attacker with firewall rule installation privileges to...
CVE-2026-31682: Linux Bridge IPv6 Flaw Could Crash Virtualization Hosts — Patch Now
On April 25, 2026, the Linux kernel community published a fix for a memory safety flaw in the bridge networking subsystem, tracked as CVE-2026-31682. The vulnerability, which also appeared on...
Linux kernel crash bug in IPv6 flow labels puts WSL and Azure VMs at risk—patch now
A recently disclosed vulnerability in the Linux kernel can crash systems by triggering a race condition in the IPv6 flow label subsystem, and the fix isn’t just for native Linux boxes—Windows...