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

CVE-2026-64345 affects the Linux kernel USB gadget f_printer driver. The function printer_open() increments dev->kref even when it returns -EBUSY (device already open). Because VFS does not call ->release() for a failed open, every rejected second open permanently leaks one reference count ...

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...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-64345

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: fprinter: take kref only for successful open printeropen returns -EBUSY when the character device is already open, but it increments dev-kref...

The vulnerability in the `printer_write` function of the `drivers/usb/gadget/function/f_printer.c` file in the Linux kernel allows a hacker to cause a service failure.

The vulnerability of the printerwrite function in the drivers/usb/gadget/function/fprinter.c file of the Linux kernel leads to uncontrolled resource consumption. Exploiting this vulnerability could allow an attacker to cause service failures...