CVE-2026-64233

The CVE-2026-64233 issue affects the Linux kernel USB Video Class (UVC) gadget driver. A race during function binding can occur when a privileged user holds a configfs subtree open and concurrently removes an extensions subdirectory, because uvc_function_bind() walks opts->extension_units with...

CVE-2026-64233 usb: gadget: uvc: hold opts->lock across XU walks in uvc_function_bind

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: hold opts-lock across XU walks in uvcfunctionbind uvcfunctionbind walks &opts-extensionunits twice without holding opts-lock: - directly, for the iExtension string-descriptor fixup loop; - indirectly, four times...