Linux Kernel Security
The latest Linux Kernel Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2026-23327: How a Linux Kernel CXL Mailbox Bug Reveals Memory Safety Challenges
CVE-2026-23327 exposes a critical memory safety vulnerability in the Linux kernel's Compute Express Link (CXL) driver that allows attackers to bypass payload validation and potentially execute...
CVE-2026-23356: Microsoft Warns of Linux DRBD Logic Bug Affecting Storage Availability in Windows-Linux Environments
Microsoft has issued a security advisory for CVE-2026-23356, a Linux kernel vulnerability in the Distributed Replicated Block Device (DRBD) subsystem that could impact storage availability in mixed...
Patch arm64 now: CVE-2026-23346 corrupts kernel I/O memory types on Linux
A newly disclosed Linux kernel vulnerability, CVE-2026-23346, exposes a critical flaw in arm64 architecture's I/O memory mapping that could lead to system instability and potential security risks....
CVE-2026-23285: Microsoft Documents Linux Kernel DRBD Vulnerability Affecting Windows Subsystem for Linux
Microsoft's security advisory CVE-2026-23285 documents a Linux kernel vulnerability in DRBD (Distributed Replicated Block Device) that affects Windows systems running Windows Subsystem for Linux. The...
CVE-2026-23365: Linux Kalmia USB Driver Vulnerability Highlights Critical Endpoint Validation Gap
CVE-2026-23365 exposes a fundamental security flaw in the Linux kernel's kalmia USB network driver that could allow attackers to crash systems by exploiting improper endpoint validation. The...
Linux Kernel CVE-2026-23393 Fix: How Delayed Work Bridge CFM Race Condition Was Patched
Linux kernel developers have patched a critical race condition in the bridge CFM (Connectivity Fault Management) subsystem, addressing CVE-2026-23393. The vulnerability stemmed from improper handling...
Linux Kernel CVE-2026-23336: Critical Wi-Fi cfg80211 Use-After-Free Vulnerability Explained
A newly disclosed Linux kernel vulnerability, CVE-2026-23336, exposes wireless networking infrastructure to potential exploitation through a use-after-free condition in the cfg80211 subsystem. This...
CVE-2026-23290: Linux Pegasus USB Driver Vulnerability Highlights Endpoint Validation Gap
CVE-2026-23290 exposes a subtle but significant security flaw in the Linux kernel's pegasus USB network driver. Unlike dramatic memory corruption vulnerabilities that dominate security headlines,...
CVE-2026-23320: Linux Kernel USB Gadget Vulnerability Exposes Net Device Lifecycle Flaw
The Linux kernel vulnerability CVE-2026-23320 reveals a subtle but critical flaw in how USB gadget networking handles net_device object lifetimes. This security issue, while not enabling dramatic...
CVE-2026-23292: Linux Kernel configfs SCSI Target Bug Exposes Critical Locking Vulnerability
The Linux kernel's CVE-2026-23292 reveals a dangerous recursive locking vulnerability in the configfs subsystem's SCSI target implementation that could lead to system deadlocks and denial-of-service...
CVE-2026-23368: How a Linux Kernel Deadlock Fix Impacts Windows Subsystem for Linux Users
Microsoft's Windows Subsystem for Linux (WSL) users face potential system hangs due to a recently disclosed Linux kernel vulnerability. CVE-2026-23368, a classic AB-BA deadlock in the networking PHY...
Linux Kernel CVE-2026-23392: nf_tables Flowtable Use-After-Free Vulnerability Explained
A newly disclosed Linux kernel vulnerability, CVE-2026-23392, exposes a use-after-free flaw in the nf_tables flowtable error path that could allow local attackers to escalate privileges or crash...