{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74681", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.925Z", "datePublished": "2026-08-22T15:32:48.873Z", "dateUpdated": "2026-08-22T15:32:48.873Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-22T15:32:48.873Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: misc: usbio: check ibuf_len against rxbuf_len in bulk msg\n\nibuf_len is the bulk IN (receive) buffer size, but the EMSGSIZE check\nin usbio_bulk_msg() compares it against txbuf_len \u2014 the bulk OUT\nendpoint size. Both are taken independently from different endpoints\nin usbio_probe(), so the check is wrong when they differ.\n\nUse rxbuf_len for the IN direction. This matches the buffer that\nactually holds the response data."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/misc/usbio.c"], "versions": [{"version": "121a0f839dbb397af5fabb701cea3e9983223e50", "lessThan": "ebfd1e82ab0a6d26efd9bdd89de899215851f5bf", "status": "affected", "versionType": "git"}, {"version": "121a0f839dbb397af5fabb701cea3e9983223e50", "lessThan": "9ad0164f78b66b0b5eca3a5748cc94dd87e28124", "status": "affected", "versionType": "git"}, {"version": "121a0f839dbb397af5fabb701cea3e9983223e50", "lessThan": "7e22c9f79b200672f3e477421b6c9050d8cf70a5", "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/misc/usbio.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.45", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.9", "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": "6.18", "versionEndExcluding": "6.18.45"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.1.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ebfd1e82ab0a6d26efd9bdd89de899215851f5bf"}, {"url": "https://git.kernel.org/stable/c/9ad0164f78b66b0b5eca3a5748cc94dd87e28124"}, {"url": "https://git.kernel.org/stable/c/7e22c9f79b200672f3e477421b6c9050d8cf70a5"}], "title": "usb: misc: usbio: check ibuf_len against rxbuf_len in bulk msg", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/usb/misc/usbio.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "ebfd1e82ab0a6d26efd9bdd89de899215851f5bf", "status": "affected", "version": "121a0f839dbb397af5fabb701cea3e9983223e50", "versionType": "git"}, {"lessThan": "9ad0164f78b66b0b5eca3a5748cc94dd87e28124", "status": "affected", "version": "121a0f839dbb397af5fabb701cea3e9983223e50", "versionType": "git"}, {"lessThan": "7e22c9f79b200672f3e477421b6c9050d8cf70a5", "status": "affected", "version": "121a0f839dbb397af5fabb701cea3e9983223e50", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/usb/misc/usbio.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"lessThan": "6.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.45", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: misc: usbio: check ibuf_len against rxbuf_len in bulk msg\n\nibuf_len is the bulk IN (receive) buffer size, but the EMSGSIZE check\nin usbio_bulk_msg() compares it against txbuf_len \u2014 the bulk OUT\nendpoint size. Both are taken independently from different endpoints\nin usbio_probe(), so the check is wrong when they differ.\n\nUse rxbuf_len for the IN direction. This matches the buffer that\nactually holds the response data."}], "id": "CVE-2026-74681", "lastModified": "2026-08-22T16:16:42.373", "metrics": {}, "published": "2026-08-22T16:16:42.373", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7e22c9f79b200672f3e477421b6c9050d8cf70a5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9ad0164f78b66b0b5eca3a5748cc94dd87e28124"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ebfd1e82ab0a6d26efd9bdd89de899215851f5bf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[121a0f839dbb397af5fabb701cea3e9983223e50,ebfd1e82ab0a6d26efd9bdd89de899215851f5bf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[121a0f839dbb397af5fabb701cea3e9983223e50,9ad0164f78b66b0b5eca3a5748cc94dd87e28124)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[121a0f839dbb397af5fabb701cea3e9983223e50,7e22c9f79b200672f3e477421b6c9050d8cf70a5)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.18"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.18)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.45,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.9,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-22T19:00:14.811551+00:00", "updated": "2026-08-22T20:30:17.763521+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-787", "CWE-119"]}