Linux Kernel Security
The latest Linux Kernel Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Freescale SPI Use-After-Free Fixed as NVD Scoring Delays Persist
Linux kernel maintainers published CVE-2026-46226 on May 28, 2026, patching a subtle but serious bug in the Freescale SPI driver. The flaw, lurking in the driver’s unbind path for years, could...
Linux stmmac NULL Dereference CVE-2026-46110: Critical Fix for Embedded Drivers
A newly disclosed Linux kernel vulnerability tracked as CVE-2026-46110 patches a critical NULL-pointer dereference in the stmmac Ethernet driver, a core component in countless embedded systems and...
CVE-2026-46163: Why a 17-Year-Old Linux Wi-Fi Driver Patch Matters for Windows Users Too
The Linux kernel project released a fix for an out-of-bounds read vulnerability in the b43legacy Broadcom Wi‑Fi driver on May 28, 2026. Tracked as CVE-2026-46163, the flaw earned a CVSS 3.1 base...
CVE-2026-46186: Virtio Bluetooth Header-Length Flaw Exposes Windows Guests to Attacks
The Linux kernel project disclosed a critical vulnerability on May 28, 2026, tracked as CVE-2026-46186, in the virtio Bluetooth driver. The flaw, stemming from improper header-length validation in...
CVE-2026-46137: Unpatched Linux MPTCP bug threatens WSL, Docker containers on Windows
A critical race condition in the Linux kernel’s Multipath TCP (MPTCP) subsystem landed on the National Vulnerability Database on May 28, 2026. Dubbed CVE-2026-46137, the flaw lives in the...
WSL Teams Face Heavy Backport Work for Single-Line ext4 Kernel Fix
A newly disclosed Linux kernel vulnerability, CVE-2026-46094, exposes a critical flaw in the ext4 filesystem's extended attribute handling, allowing a four-byte memory read beyond valid buffer...
CVE-2026-45858: ext4 Bug Risks WSL2, Azure VMs—Patch Now
A critical vulnerability in the Linux kernel's ext4 filesystem, tracked as CVE-2026-45858, was disclosed on May 27, 2026, by the National Vulnerability Database (NVD) following a report from...
CVE-2026-46099: Linux Kernel Use-After-Free via IPv6 Segment Routing Race – Impact on Windows?
Linux kernel maintainers disclosed CVE-2026-46099 on May 27, 2026, a critical vulnerability that highlights deepening scrutiny of the IPv6 networking stack. The flaw, found in the lightweight-tunnel...
Critical Linux Kernel Flaw CVE-2026-46092: Realtek rtw88 Wi-Fi Crash Fix for Uncommon PCI Setups
A newly disclosed Linux kernel flaw in the Realtek rtw88 Wi-Fi driver can crash systems with certain RTL8821CE adapters, but only when the hardware lives in an unusual PCI arrangement....
CVE-2026-46103: Critical Linux Kernel Use-After-Free in ucan USB CAN Driver – One-Line Fix Available
A dangerous use-after-free vulnerability in the Linux kernel's ucan USB CAN driver received official designation as CVE-2026-46103 on May 27, 2026. The flaw stems from a device resource management...
Linux SPI-IMX Use-After-Free: Why WSL and Azure Teams Face Risk
The National Vulnerability Database published CVE-2026-45996 on May 27, 2026, flagging a use-after-free flaw in the Linux kernel’s i.MX SPI controller driver. Unbinding device ‘spi-imx’ leaves...
Linux Kernel RxRPC Bug Fixed: Drop Partial Decryption Packets
A newly disclosed vulnerability in the Linux kernel's RxRPC subsystem, tracked as CVE-2026-45988, has been patched to drop partially decrypted RESPONSE packets, closing a potential attack vector that...