CVE-2026-31723

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fsubset: Fix netdevice lifecycle with devicemove The netdevice is allocated during function instance creation and registered during the bind phase with the gadget device as its sysfs parent. When the function unbinds...

EUVD-2026-26536

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fsubset: Fix netdevice lifecycle with devicemove The netdevice is allocated during function instance creation and registered during the bind phase with the gadget device as its sysfs parent. When the function unbinds...

CVE-2026-31723 usb: gadget: f_subset: Fix net_device lifecycle with device_move

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fsubset: Fix netdevice lifecycle with devicemove The netdevice is allocated during function instance creation and registered during the bind phase with the gadget device as its sysfs parent. When the function unbinds...

CVE-2026-31722 usb: gadget: f_rndis: Fix net_device lifecycle with device_move

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: frndis: Fix netdevice lifecycle with devicemove The netdevice is allocated during function instance creation and registered during the bind phase with the gadget device as its sysfs parent. When the function unbinds,...

CVE-2026-31722

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: frndis: Fix netdevice lifecycle with devicemove The netdevice is allocated during function instance creation and registered during the bind phase with the gadget device as its sysfs parent. When the function unbinds,...

EUVD-2026-26535

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: frndis: Fix netdevice lifecycle with devicemove The netdevice is allocated during function instance creation and registered during the bind phase with the gadget device as its sysfs parent. When the function unbinds,...

CVE-2026-31722 usb: gadget: f_rndis: Fix net_device lifecycle with device_move

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: frndis: Fix netdevice lifecycle with devicemove The netdevice is allocated during function instance creation and registered during the bind phase with the gadget device as its sysfs parent. When the function unbinds,...

CVE-2026-31723

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fsubset: Fix netdevice lifecycle with devicemove The netdevice is allocated during function instance creation and registered during the bind phase with the gadget device as its sysfs parent. When the function unbinds...

CVE-2026-31721 usb: gadget: f_hid: move list and spinlock inits from bind to alloc

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: move list and spinlock inits from bind to alloc There was an issue when you did the following: - setup and bind an hid gadget - open /dev/hidg0 - use the resulting fd in EPOLLCTLADD - unbind the UDC - bind the...

CVE-2026-31721 usb: gadget: f_hid: move list and spinlock inits from bind to alloc

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: move list and spinlock inits from bind to alloc There was an issue when you did the following: - setup and bind an hid gadget - open /dev/hidg0 - use the resulting fd in EPOLLCTLADD - unbind the UDC - bind the...

CVE-2026-31721

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: move list and spinlock inits from bind to alloc There was an issue when you did the following: - setup and bind an hid gadget - open /dev/hidg0 - use the resulting fd in EPOLLCTLADD - unbind the UDC - bind the...

CVE-2026-31721

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: move list and spinlock inits from bind to alloc There was an issue when you did the following: - setup and bind an hid gadget - open /dev/hidg0 - use the resulting fd in EPOLLCTLADD - unbind the UDC - bind the...

CVE-2026-31721

CVE-2026-31721 affects the Linux kernel USB gadget subsystem, specifically the f_hid driver. The issue arises from initializing wait queues (poll_wait) with init_waitqueue_head inside hidg_bind, which re-initializes queues that may still contain items when the HID gadget is bound/unbound and epol...

EUVD-2026-26533

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fuac1legacy: validate control request size faudiocomplete copies req-length bytes into a 4-byte stack variable: u32 data = 0; memcpy&data, req-buf, req-length; req-length is derived from the host-controlled USB reque...

CVE-2026-31720 usb: gadget: f_uac1_legacy: validate control request size

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fuac1legacy: validate control request size faudiocomplete copies req-length bytes into a 4-byte stack variable: u32 data = 0; memcpy&data, req-buf, req-length; req-length is derived from the host-controlled USB reque...

CVE-2026-31720

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fuac1legacy: validate control request size faudiocomplete copies req-length bytes into a 4-byte stack variable: u32 data = 0; memcpy&data, req-buf, req-length; req-length is derived from the host-controlled USB reque...

CVE-2026-31720

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fuac1legacy: validate control request size faudiocomplete copies req-length bytes into a 4-byte stack variable: u32 data = 0; memcpy, req-buf, req-length; req-length is derived from the host-controlled USB request...

CVE-2026-31720

CVE-2026-31720 : In the Linux kernel, the USB gadget path f_uac1_legacy incorrectly handles control request length. Specifically, f_audio_complete() copies req->length bytes into a 4-byte stack variable (data) via memcpy, with req->length derived from host-controlled USB requests. This can ...

CVE-2026-31701

In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: take a reference on the USB device in createcard The caiaq driver stores a pointer to the parent USB device in cdev-chip.dev but never takes a reference on it. The card's privatefree callback, sndusbcaiaqcardfree, ca...

CVE-2026-31701

In CVE-2026-31701, the Linux kernel ALSA caiaq driver (USB audio) stored a pointer to the parent usb_device without a reference. The snd_usb_caiaq_card_free() path can run after the USB device is disconnected, dereferencing freed memory (use-after-free). The fix is to take a reference on the USB ...