{"cve":"CVE-2026-97482","nvd":{"published":"2026-09-24T17:17:25.707","modified":"2026-10-03T11:17:58.110","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: goku_udc: avoid NULL deref of dev->driver in INT_USBRESET log\n\ngoku_irq() handles a number of bus events under a single ep0 path.\nIt already guards the gadget driver suspend/resume callbacks against a\nNULL ->driver:\n\n\tif (dev->gadget.speed != USB_SPEED_UNKNOWN\n\t\t\t&& dev->driver\n\t\t\t&& dev->driver->resume) {\n\t\tspin_unlock(&dev->lock);\n\t\tdev->driver->resume(&dev->gadget);\n\t\t...\n\t}\n\nbut the very next branch unconditionally dereferences dev->driver\nwhen an INT_USBRESET arrives:\n\n\tif (stat & INT_USBRESET) {\n\t\tACK(INT_USBRESET);\n\t\tINFO(dev, \"USB reset done, gadget %s\\n\",\n\t\t\tdev->driver->driver.name);\n\t}\n\nIf the controller raises INT_USBRESET before any gadget driver has\nbeen bound (or after one has been unbound), dev->driver is NULL and\nthe printk dereferences NULL.\n\nsmatch flags the inconsistency:\n\n  drivers/usb/gadget/udc/goku_udc.c:1618 goku_irq() error:\n  we previously assumed 'dev->driver' could be null (see line 1607)\n\nFall back to a placeholder when the gadget driver is not bound.\n\nNo functional change while a gadget driver is bound.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/10d7fc3008d5b7ec03af8e08927f1d090014c2af","https://git.kernel.org/stable/c/28d78783a871cdb7a637dcb72452ff7d303430ae","https://git.kernel.org/stable/c/5bf5e3fba9bc7dfd69701521dbe9809f8ccbdb02","https://git.kernel.org/stable/c/999ff3bf665f2abfb6af519ef3d6d42b061d3c15","https://git.kernel.org/stable/c/a018d4195114ca2cf79858cc45c98581dee4795b"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:56:02.509636177+00:00"},"epss":{"cve":"CVE-2026-97482","score":0.00173,"percentile":0.0661,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}