CVE-2026-68370

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: dummyhcd: prevent fiforeq reuse during giveback dummyhcd embeds a single shared usbrequest dum-fiforeq that the "emulated single-request FIFO" fast-path in dummyqueue reuses for small IN transfers: it copies the...

CVE-2026-68370

CVE-2026-68370 affects the Linux kernel USB gadget dummy_hcd path. A race condition reuses a shared usb_request (fifo_req) before its completion callback finishes, allowing overwriting of the callback pointer and causing a general protection/page fault in dummy_timer. The mitigation adds a fifo_r...