{"id":"CVE-2026-68366","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-68366","generatedAt":"2026-10-28T02:10:05.497Z","title":"In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: clamp SEND_RESPONSE length to the response buffer uvc_send_response() builds the UVC control response from a user-supplied struct uvc_request_data: req->length =…","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: uvc: clamp SEND_RESPONSE length to the response buffer\n\nuvc_send_response() builds the UVC control response from a user-supplied\nstruct uvc_request_data:\n\n\treq->length = min_t(unsigned int, uvc->event_length, data->length);\n\t...\n\tmemcpy(req->buf, data->data, req->length);\n\nreq->length is clamped to uvc->event_length, which is taken from the\nhost control request wLength (up to UVC_MAX_REQUEST_SIZE, 64), and to\ndata->length, which comes from the UVCIOC_SEND_RESPONSE ioctl and is\nonly checked for being negative.  The source buffer data->data is only\n60 bytes, so a response with uvc->event_length and data->length both\ngreater than 60 makes memcpy() read past the end of data->data.\n\nClamp req->length to sizeof(data->data) as well.","published":"2026-08-10T13:20:29.000Z","lastModified":"2026-08-19T17:20:46.000Z","status":"Received","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":null,"cwe":[],"affected":[],"epss":{"score":0.00184,"percentile":0.07928,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"unknown","text":"Not yet scored. NVD analysis is pending; check back once CVSS and EPSS values are published."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/1f03658f3e9b2f8fd1d1003ba389a0390b49a350","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4e116372b7a4f87df0dc0ed4b0ab5b0bb0cc5796","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/568e68d8f80395a64848aa2946af8ade72da0ffb","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/662f6c6c6ff8a6c508e1646c09cae74e28f3cca6","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/82ec2c1e456b17451f0736c3983402642f961733","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b70dc75e85ba968b7b76eebfe5d63000080b875b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c8510fbbea09ef0170b56b14dc2b5890dc75be07","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/eaf783c005299a702f2cc96b08cd21ede081f098","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-68366","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}