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-2026-31759

In the Linux kernel, the following vulnerability has been resolved: usb: ulpi: fix double free in ulpiregisterinterface error path When deviceregister fails, ulpiregister calls putdevice on ulpi-dev. The device release callback ulpidevrelease drops the OF node reference and frees ulpi, but the...

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-2026-31728

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-2026-31726

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-2026-31720

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-2026-31721

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-2026-31722

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-2026-31723

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-2026-31725

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-2026-31724

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...

EUVD-2026-26573

In the Linux kernel, the following vulnerability has been resolved: gpib: lpvousb: fix memory leak on disconnect The driver iterates over the registered USB interfaces during GPIB attach and takes a reference to their USB devices until a match is found. These references are never released which...

CVE-2026-31759 usb: ulpi: fix double free in ulpi_register_interface() error path

In the Linux kernel, the following vulnerability has been resolved: usb: ulpi: fix double free in ulpiregisterinterface error path When deviceregister fails, ulpiregister calls putdevice on ulpi-dev. The device release callback ulpidevrelease drops the OF node reference and frees ulpi, but the...

CVE-2026-31758

In the Linux kernel, the following vulnerability has been resolved: usb: usbtmc: Flush anchored URBs in usbtmcrelease When calling usbtmcrelease, pending anchored URBs must be flushed or killed to prevent use-after-free errors e.g. in the HCD giveback path. Call usbtmcdrawdown to allow anchored...

CVE-2026-31758 usb: usbtmc: Flush anchored URBs in usbtmc_release

In the Linux kernel, the following vulnerability has been resolved: usb: usbtmc: Flush anchored URBs in usbtmcrelease When calling usbtmcrelease, pending anchored URBs must be flushed or killed to prevent use-after-free errors e.g. in the HCD giveback path. Call usbtmcdrawdown to allow anchored...

EUVD-2026-26571

In the Linux kernel, the following vulnerability has been resolved: usb: usbtmc: Flush anchored URBs in usbtmcrelease When calling usbtmcrelease, pending anchored URBs must be flushed or killed to prevent use-after-free errors e.g. in the HCD giveback path. Call usbtmcdrawdown to allow anchored...

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.

EUVD-2026-26570

In the Linux kernel, the following vulnerability has been resolved: usb: misc: usbio: Fix URB memory leak on submit failure When usbsubmiturb fails in usbioprobe, the previously allocated URB is never freed, causing a memory leak. Fix this by jumping to errfreeurb label to properly release the UR...

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...

EUVD-2026-26569

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...