CVE-2026-31724

A flaw was found in the Linux kernel's USB gadget Ethernet Emulation Model EEM function. This issue occurs when a USB gadget function disconnects, causing the related network device to not be properly removed. As a result, invalid links remain in the system's file system, known as dangling symbol...

CVE-2026-31723

A flaw was found in the Linux kernel's usb: gadget: fsubset component. This vulnerability arises from an issue in how network device resources are managed during the unbinding of a USB gadget function. When the parent device is destroyed, the associated network device may persist, creating...

CVE-2026-31722

A flaw was found in the Linux kernel's USB gadget RNDIS Remote Network Driver Interface Specification function. During the unbinding process of a USB gadget device, the associated network device netdevice may not be correctly reparented, resulting in dangling symbolic links within the system's...

CVE-2026-31721

A flaw was found in the Linux kernel's USB Human Interface Device HID gadget driver fhid. When a USB gadget is unbound and then rebound while file descriptors are still actively using its wait queues, the driver can re-initialize these queues while they still contain items. This can lead to list...

CVE-2026-31720

A flaw was found in the Linux kernel's USB gadget audio class 1 UAC1 legacy function. A remote attacker could exploit this vulnerability by sending a malicious USB control request, causing an out-of-bounds write on the stack. This could lead to a denial of service or potentially arbitrary code...

CVE-2026-31754

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix state inconsistency on gadget init failure When cdns3gadgetstart fails, the DRD hardware is left in gadget mode while software state remains INACTIVE, creating hardware/software state inconsistency. When...

CVE-2026-31756

In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: gadget: Fix spinlock/unlock mismatch in dwc2hsotgudcstop dwc2gadgetexitclockgating internally calls callgadget macro, which expects hsotg-lock to be held since it does spinunlock/spinlock around the gadget driver...

CVE-2026-31755

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix NULL pointer dereference in epqueue When the gadget endpoint is disabled or not yet configured, the ep-desc pointer can be NULL. This leads to a NULL pointer dereference when cdns3gadgetepqueue is called,...

CVE-2026-31726

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: fix NULL pointer dereference during unbind race Commit b81ac4395bbe "usb: gadget: uvc: allow for application to cleanly shutdown" introduced two stages of synchronization waits totaling 1500ms in uvcfunctionunbi...

CVE-2026-31728

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uether: Fix race between getherdisconnect and ethstop A race condition between getherdisconnect and ethstop leads to a NULL pointer dereference. Specifically, if ethstop is triggered concurrently while getherdisconne...

CVE-2026-31727

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uether: Fix NULL pointer deref in ethgetdrvinfo Commit ec35c1969650 "usb: gadget: fncm: Fix netdevice lifecycle with devicemove" reparents the gadget device to /sys/devices/virtual during unbind, clearing the gadget...

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-2026-31725

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fecm: 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, t...

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-2026-31724

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: feem: 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, t...

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,...

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-2026-31756

Technical details about CVE-2026-31756 are not publicly provided in the connected documents. Monitor for updates from vendors and advisories to confirm affected products, impact, and fixes.

CVE-2026-31756 usb: dwc2: gadget: Fix spin_lock/unlock mismatch in dwc2_hsotg_udc_stop()

In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: gadget: Fix spinlock/unlock mismatch in dwc2hsotgudcstop dwc2gadgetexitclockgating internally calls callgadget macro, which expects hsotg-lock to be held since it does spinunlock/spinlock around the gadget driver...

CVE-2026-31756

In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: gadget: Fix spinlock/unlock mismatch in dwc2hsotgudcstop dwc2gadgetexitclockgating internally calls callgadget macro, which expects hsotg-lock to be held since it does spinunlock/spinlock around the gadget driver...