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linux kernel

About this tag
The linux kernel tag on WindowsForum covers recent developments in the Linux kernel, including new hardware drivers, security vulnerabilities, and performance improvements. Topics include a new battery driver for Microsoft Surface RT, NTFS write support, Intel FRED enablement, and AVX-512 RAID parity optimizations. Security coverage includes CVEs in net/sched pedit, Microchip PolarFire clock driver, CAAM HMAC key leak, and ath5k Wi-Fi driver. These threads explore how kernel changes affect Windows users, WSL, and mixed-OS environments, with a focus on practical implications for enterprise IT, hardware compatibility, and system stability.
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    Linux 7.2 Adds Surface RT EC Battery Driver—Charger Reporting Gets Mainline

    Microsoft’s original Surface RT, announced in June 2012 and released that October, is finally getting mainline Linux battery and charger reporting through a new surface-rt-ec power-supply driver queued for Linux 7.2. That is a small patch for a very old tablet, but it is not a small story. It is...
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    • embedded controller linux kernel power supply driver surface rt
    • Replies: 0
    • Forum: Windows News
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    CVE-2026-46331: Linux pedit net/sched Bug Fix Prevents Page Cache Corruption

    CVE-2026-46331 is a newly published Linux kernel vulnerability, disclosed by kernel.org and added to NVD on June 16, 2026, that fixes a net/sched packet-editing bug where partial copy-on-write handling in pedit could corrupt the kernel page cache. The bug is narrow, deeply technical, and not yet...
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    • cve 2026-46331 linux kernel network security traffic control
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    • Forum: Security Alerts
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    Linux 7.1: New NTFS Write Driver, Steam Deck OLED Audio, Apple Silicon Power

    Linux 7.1 was released by Linus Torvalds on June 14, 2026, bringing a rewritten optional NTFS driver, Steam Deck OLED audio fixes, Apple Silicon battery reporting, AMD power-management changes, Intel FRED enablement, and a large purge of obsolete kernel code. The interesting part is not that...
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    • kernel maintenance linux 7.1 linux kernel ntfs driver steam deck oled windows interoperability
    • Replies: 1
    • Forum: Windows News
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    Linux 7.1 NTFS and Intel FRED vs BigDL AI Sunset: What PC Buyers Should Know

    Linux 7.1 became stable on June 14, 2026, bringing a new NTFS driver, Intel FRED support for Panther Lake-era processors, faster Intel Arc Battlemage graphics, and other hardware-facing improvements, while Intel separately moved to end development of its open-source BigDL AI framework by June...
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    • intel hardware linux kernel ntfs driver open source ai
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    • Forum: Windows News
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    Linux AVX-512 xor_gen Patch Boosts RAID Parity Performance up to 43%

    Google engineer Eric Biggers has posted a revised AVX-512 implementation of Linux’s xor_gen() parity routine for review on the kernel mailing list, with Phoronix reporting on June 14, 2026, that the new version now shows performance gains of up to 43 percent in RAID-related workloads. The number...
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    • avx-512 optimization linux kernel software raid storage performance
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    • Forum: Windows News
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    CVE-2026-46293: Microchip PolarFire Linux Clock Driver OOB Fix Explained

    CVE-2026-46293 is a newly published Linux kernel vulnerability, added to NVD on June 8, 2026, covering an out-of-bounds access in the Microchip PolarFire SoC fabric clock driver during registration of clock outputs. The bug is not the kind of headline-grabbing flaw that sends Windows desktop...
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    • clock driver cve embedded security linux kernel
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-46291 CAAM HMAC Key Leak: Why Linux Debug Logs Matter

    CVE-2026-46291 is a newly published Linux kernel vulnerability, added to NVD on June 8, 2026, in which the CAAM cryptographic accelerator driver could expose sensitive HMAC key bytes through debug hex dumps when dynamic debugging was enabled. The fix is small, but the lesson is not. This is the...
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    • crypto accelerator cve-2026-46291 debugfs security linux kernel
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-46307: ath5k Out-of-Bounds Write in Linux Kernel (Memory Safety Case Study)

    CVE-2026-46307 is a newly published Linux kernel vulnerability, added to NVD on June 8, 2026, that fixes an out-of-bounds array write in the ath5k Wi-Fi driver used by older Atheros 5xxx wireless chipsets. The bug is small, the upstream note calls its practical effect negligible, and there is no...
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    • ath5k driver cve-2026-46307 linux kernel wi-fi security
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-46324 nf_tables RCU list_del_rcu Fix: Linux Firewall Concurrency Risk

    CVE-2026-46324, published by NVD on June 9, 2026, is a newly recorded Linux kernel netfilter/nf_tables vulnerability fixed by changing hook removal paths to use list_del_rcu() when netlink dumpers may still be walking the same lists. The bug is not yet scored by NVD, which means defenders do not...
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    • linux kernel nftables nf_tables security rcu synchronization
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-46287: txgbe RTNL Lock Fix Turns a Teardown Warning Into a CVE

    CVE-2026-46287 is a newly published Linux kernel vulnerability record, added to NVD on June 8, 2026, for a txgbe Ethernet driver bug that triggers an RTNL assertion warning when the module is removed on systems using copper NICs with an external PHY. The fix is small, almost boring: take the...
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    • linux kernel phylink phy rtnl locking txgbe driver
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    • Forum: Security Alerts
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    CVE-2026-46314: Local DoS Infinite Loop in Broadcom V3D Linux Driver

    CVE-2026-46314 is a newly published Linux kernel denial-of-service vulnerability, disclosed through kernel.org and added to NVD on June 8, 2026, that affects the Broadcom V3D DRM graphics driver by allowing a local user to trigger an infinite kernel loop through a malformed ioctl extension...
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    • cve-2026-46314 drm v3d gpu driver dos linux kernel
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    • Forum: Security Alerts
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    CVE-2026-46301: Linux spi-topcliff-pch DMA Use-After-Free on Unbind

    CVE-2026-46301 is a newly published Linux kernel vulnerability, added to NVD on June 8, 2026, affecting the spi-topcliff-pch driver when it is unbound before its SPI message queue has finished using DMA buffers. The bug is narrow, hardware-specific, and not yet scored by NVD, but it is a useful...
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    • cve-2026-46301 kernel security linux kernel spi driver
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-46142 libwx SR-IOV VF Hang: Small Patch, Big Virtualization Lesson

    CVE-2026-46142 is a newly published Linux kernel vulnerability, received by NVD on May 28, 2026 from kernel.org, affecting the Wangxun libwx Ethernet driver when a virtual function reads a physical-function-only register during initialization and can hang the system. The fix is small, but the...
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    • cve 2026 46142 linux kernel nic drivers sr iov
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    • Forum: Security Alerts
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    CVE-2026-46167: Linux usblp USB Printer Bug Leaks 1 Byte, One-Line Fix

    CVE-2026-46167 is a newly published Linux kernel vulnerability, dated May 28, 2026 by NVD and sourced from kernel.org, in which the USB printer driver could leak one byte of stale kernel heap memory through the LPGETSTATUS ioctl when queried by local software. The bug is small in the literal...
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    • information disclosure linux kernel usb printer security usblp ioctl
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-46138: Linux Bluetooth Kernel Bug Causes OOB Read & Possible Lockup

    CVE-2026-46138 is a Linux kernel Bluetooth vulnerability published by NVD on May 28, 2026, after kernel.org assigned a CVE to an out-of-bounds read and potential infinite loop in the hci_le_create_big_complete_evt() event handler. The bug is not a Windows vulnerability, but it matters to...
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    • bluetooth le audio cve-2026-46138 denial of service linux kernel
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-46218: amdgpu Kernel Fix for Bounds Check in AMD Video Decode/Encode

    CVE-2026-46218 is a newly published Linux kernel vulnerability, disclosed by kernel.org on May 28, 2026, in AMD’s amdgpu graphics driver, where UVD, VCE, and VCN video paths could access indirect buffers at fixed offsets without first confirming the buffer was large enough. The fix is small, but...
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    • amdgpu graphics cve 2026-46218 gpu security linux kernel
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-46129 Btrfs Double-Free Fix: Linux Kernel Patch Needed

    CVE-2026-46129 is a Linux kernel vulnerability published by NVD on May 28, 2026, after kernel.org reported a Btrfs double-free bug in the create_space_info() error path, where failed sysfs kobject setup can trigger cleanup of the same allocation twice. The flaw is narrow, technical, and...
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    • btrfs cve-2026-46129 linux kernel sysfs kobject
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    • Forum: Security Alerts
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    CVE-2026-46234: Linux vsock Buffer Clamp Fix and Why Windows Teams Must Care

    CVE-2026-46234 is a newly published Linux kernel vulnerability, received by NVD from kernel.org on May 28, 2026, that fixes a vsock buffer-size clamping bug where a misordered minimum and maximum check could let a socket buffer exceed its configured maximum. It is not, at least from the public...
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    • linux kernel virtual sockets vsock vulnerability management wsl and containers
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-46109 Linux USB ULPI Memory Leak: Patch Discipline Without CVSS Hype

    CVE-2026-46109 is a newly published Linux kernel vulnerability from kernel.org, added to NVD on May 28, 2026, that fixes a memory leak in the USB ULPI registration path when early error handling fails before device registration completes. The bug is not a headline-grabbing remote-code-execution...
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    • cve tracking linux kernel memory leak usb ulpi
    • Replies: 0
    • Forum: Security Alerts
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    CVE-2026-46148: Linux coreQSPI Chip-Select Bug in Microchip SPI Driver

    On May 28, 2026, NVD published CVE-2026-46148 for a Linux kernel fix in the Microchip coreQSPI SPI controller driver, after kernel.org reported that the controller’s built-in chip select could be asserted while Linux was communicating with another SPI device. The bug is narrow...
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    • cve-2026-46148 embedded linux linux kernel spi security
    • Replies: 0
    • Forum: Security Alerts
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