Security Alerts
The latest Security Alerts coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2026-31623: Linux CDC Phonet Flaw Lets Malicious USB Crash Kernels—Patch Now
The Linux kernel project has patched a flaw in the obscure cdc-phonet USB networking driver that lets a malicious device overflow a core memory array, triggering crashes or memory corruption....
CVE-2026-31642: Linux Kernel Bug Can Hang Systems via Diagnostic File—Here’s the Fix
On April 24, 2026, the Linux kernel project disclosed a vulnerability in its RxRPC networking subsystem that can freeze systems when a diagnostic interface is read under the wrong conditions. Tracked...
Linux Kernel Bug in Radio Manager Lets Local Users Crash Systems—Here’s the Fix and Who Needs It
A vulnerability in the Linux kernel’s rfkill subsystem, which manages wireless radios like Wi-Fi and Bluetooth, can be exploited by local users to exhaust memory and force a system into an...
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,...
Realtek Wi-Fi Driver Bug Gets CVE. Should Windows Users Worry?
A Linux kernel flaw in a widely used Realtek Wi-Fi driver has been assigned a CVE identifier, triggering security alerts across enterprise scanning tools. The vulnerability, tracked as...
CVE-2026-31581: The Linux Kernel Audio Bug That Windows Users Should Patch Too
On April 24, 2026, Linux kernel maintainers published CVE-2026-31581, revealing a use-after-free vulnerability in the ALSA USB audio driver for TerraTec DMX 6Fire interfaces. The flaw can crash a...
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...
CVE-2026-23401: KVM Memory Bug Lets Guest VM Crash Hosts – Patch Details
A vulnerability in the Linux kernel’s KVM virtualization layer (CVE-2026-23401) allows a local attacker inside a guest virtual machine to corrupt host memory and crash the hypervisor. Disclosed in...
The Linux Kernel Graphics Bug That Could Freeze Your PC: What to Do About CVE-2026-31656
A newly disclosed vulnerability in the Linux kernel’s Intel i915 graphics driver could cause everything from cryptic kernel warnings to full system freezes on laptops and desktops with Intel...
A Missing Lock in KVM's SEV Code Can Crash Your Host—Here's the Fix
Linux virtualization administrators received a jolt on April 24, 2026, when a new CVE exposed a locking flaw in the kernel’s KVM subsystem that can abruptly crash hosts running AMD’s Secure...
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...