{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68366","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-07-30T09:28:09.385Z","datePublished":"2026-08-10T12:03:43.304Z","dateUpdated":"2026-08-19T16:34:23.776Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-19T16:34:23.776Z"},"descriptions":[{"lang":"en","value":"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/function/uvc_v4l2.c"],"versions":[{"version":"a5eaaa1f33e771fa1651a4a7652b8a5f9fa7f6c1","lessThan":"eaf783c005299a702f2cc96b08cd21ede081f098","status":"affected","versionType":"git"},{"version":"a5eaaa1f33e771fa1651a4a7652b8a5f9fa7f6c1","lessThan":"568e68d8f80395a64848aa2946af8ade72da0ffb","status":"affected","versionType":"git"},{"version":"a5eaaa1f33e771fa1651a4a7652b8a5f9fa7f6c1","lessThan":"82ec2c1e456b17451f0736c3983402642f961733","status":"affected","versionType":"git"},{"version":"a5eaaa1f33e771fa1651a4a7652b8a5f9fa7f6c1","lessThan":"4e116372b7a4f87df0dc0ed4b0ab5b0bb0cc5796","status":"affected","versionType":"git"},{"version":"a5eaaa1f33e771fa1651a4a7652b8a5f9fa7f6c1","lessThan":"662f6c6c6ff8a6c508e1646c09cae74e28f3cca6","status":"affected","versionType":"git"},{"version":"a5eaaa1f33e771fa1651a4a7652b8a5f9fa7f6c1","lessThan":"1f03658f3e9b2f8fd1d1003ba389a0390b49a350","status":"affected","versionType":"git"},{"version":"a5eaaa1f33e771fa1651a4a7652b8a5f9fa7f6c1","lessThan":"c8510fbbea09ef0170b56b14dc2b5890dc75be07","status":"affected","versionType":"git"},{"version":"a5eaaa1f33e771fa1651a4a7652b8a5f9fa7f6c1","lessThan":"b70dc75e85ba968b7b76eebfe5d63000080b875b","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/function/uvc_v4l2.c"],"versions":[{"version":"3.10","status":"affected"},{"version":"0","lessThan":"3.10","status":"unaffected","versionType":"semver"},{"version":"5.10.265","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.216","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.183","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.148","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.101","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.42","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.6","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.10.265"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.15.216"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.1.183"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.6.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.12.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.18.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"7.1.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/eaf783c005299a702f2cc96b08cd21ede081f098"},{"url":"https://git.kernel.org/stable/c/568e68d8f80395a64848aa2946af8ade72da0ffb"},{"url":"https://git.kernel.org/stable/c/82ec2c1e456b17451f0736c3983402642f961733"},{"url":"https://git.kernel.org/stable/c/4e116372b7a4f87df0dc0ed4b0ab5b0bb0cc5796"},{"url":"https://git.kernel.org/stable/c/662f6c6c6ff8a6c508e1646c09cae74e28f3cca6"},{"url":"https://git.kernel.org/stable/c/1f03658f3e9b2f8fd1d1003ba389a0390b49a350"},{"url":"https://git.kernel.org/stable/c/c8510fbbea09ef0170b56b14dc2b5890dc75be07"},{"url":"https://git.kernel.org/stable/c/b70dc75e85ba968b7b76eebfe5d63000080b875b"}],"title":"usb: gadget: uvc: clamp SEND_RESPONSE length to the response buffer","x_generator":{"engine":"bippy-1.2.0"}}}}