CVE-2026-64350 usb: cdnsp: fix stream context array leak in cdnsp_alloc_stream_info()

In the Linux kernel, the following vulnerability has been resolved: usb: cdnsp: fix stream context array leak in cdnspallocstreaminfo cdnspallocstreaminfo allocates streaminfo-streamctxarray with cdnspallocstreamctx. If a later stream ring allocation or stream mapping update fails, the error path...

EUVD-2026-48895

In the Linux kernel, the following vulnerability has been resolved: net: usb: kalmia: bound RX frame length in kalmiarxfixup kalmiarxfixup computes usbpacketlength = skb-len - 2 KALMIAHEADERLENGTH as a u16, guarded only by a pre-loop check that skb-len is at least KALMIAHEADERLENGTH, which is 6. ...

EUVD-2026-48893

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: fix dwc3readl and dwc3writel calls in dwc3ulpisetup The dwc3ulpisetup calls the register read and write calls with dwc3-regs when both these calls take the dwc3 structure directly. Chnage these two calls to fix the...

CVE-2026-64349

Summary (CVE-2026-64349): In the Linux kernel USB dwc3 driver, the vulnerability stems from incorrect type handling in dwc3_readl() and dwc3_writel() within dwc3_ulpi_setup(), where calls passed a dwc3 structure and a __iomem *regs with mismatched address spaces. This could lead to memory corrupt...

CVE-2026-64349 usb: dwc3: fix dwc3_readl() and dwc3_writel() calls in dwc3_ulpi_setup()

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: fix dwc3readl and dwc3writel calls in dwc3ulpisetup The dwc3ulpisetup calls the register read and write calls with dwc3-regs when both these calls take the dwc3 structure directly. Chnage these two calls to fix the...

CVE-2026-64348

The CVE-2026-64348 issue in the Linux kernel affects EHCI/FOTG210 isochronous submits, where a staged usb_schedule (ehci_iso_sched) attached to urb->hcpriv could leak if usb_hcd_link_urb_to_ep() fails or the controller becomes inaccessible. The published fixes free the staged schedule from don...

CVE-2026-64347

The CVE-2026-64347 issue affects the Linux kernel USB gadget subsystem, specifically the composite driver handling USB_DT_OTG. The OTG branch of composite_setup() could fall back to the first configuration when none is selected and use config pointer dereferencing with list_first_entry(), which i...

CVE-2026-64348 usb: free iso schedules on failed submit

In the Linux kernel, the following vulnerability has been resolved: usb: free iso schedules on failed submit EHCI and FOTG210 isochronous submits build an ehciisosched before linking the URB to the endpoint queue, and keep the staged schedule in urb-hcpriv until isostreamschedule and the link...

EUVD-2026-48892

In the Linux kernel, the following vulnerability has been resolved: usb: free iso schedules on failed submit EHCI and FOTG210 isochronous submits build an ehciisosched before linking the URB to the endpoint queue, and keep the staged schedule in urb-hcpriv until isostreamschedule and the link...

CVE-2026-64347 usb: gadget: composite: fix dead empty check in the USB_DT_OTG handler

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: composite: fix dead empty check in the USBDTOTG handler The OTG branch of compositesetup falls back to the first configuration when none is selected: if cdev-config config = cdev-config; else config =...

EUVD-2026-48891

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: composite: fix dead empty check in the USBDTOTG handler The OTG branch of compositesetup falls back to the first configuration when none is selected: if cdev-config config = cdev-config; else config =...

CVE-2026-64348 usb: free iso schedules on failed submit

In the Linux kernel, the following vulnerability has been resolved: usb: free iso schedules on failed submit EHCI and FOTG210 isochronous submits build an ehciisosched before linking the URB to the endpoint queue, and keep the staged schedule in urb-hcpriv until isostreamschedule and the link...

CVE-2026-64347 usb: gadget: composite: fix dead empty check in the USB_DT_OTG handler

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: composite: fix dead empty check in the USBDTOTG handler The OTG branch of compositesetup falls back to the first configuration when none is selected: if cdev-config config = cdev-config; else config =...

CVE-2026-64345

The CVE-2026-64345 issue affects the Linux kernel USB gadget f_printer driver. printer_open() increments dev->kref even when an open fails with -EBUSY, causing a reference leak because VFS does not call ->release() for failed opens. The fix moves the kref_get() into the successful-open path...

CVE-2026-64346 usb: gadget: udc: Fix use-after-free in gadget_match_driver

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: udc: Fix use-after-free in gadgetmatchdriver The udc structure acts as the management structure for the gadget, but their lifecycles are decoupled. A race condition exists where usbdelgadget frees the udc memory e.g....

EUVD-2026-48890

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: udc: Fix use-after-free in gadgetmatchdriver The udc structure acts as the management structure for the gadget, but their lifecycles are decoupled. A race condition exists where usbdelgadget frees the udc memory e.g....

CVE-2026-64346

Summary: CVE-2026-64346 affects the Linux kernel USB gadget udc path. A race condition can occur when the udc (managing gadget state) is freed by usb_del_gadget() while gadget_match_driver() may still access the freed udc (e.g., via configfs). This Use-After-Free can trigger a NULL pointer derefe...

EUVD-2026-48889

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fprinter: take kref only for successful open printeropen returns -EBUSY when the character device is already open, but it increments dev-kref regardless of the return value. VFS does not call -release for a failed...

CVE-2026-64345

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fprinter: take kref only for successful open printeropen returns -EBUSY when the character device is already open, but it increments dev-kref regardless of the return value. VFS does not call -release for a failed...

CVE-2026-64345 usb: gadget: f_printer: take kref only for successful open

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fprinter: take kref only for successful open printeropen returns -EBUSY when the character device is already open, but it increments dev-kref regardless of the return value. VFS does not call -release for a failed...