CVE-2026-64240

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{}

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This can\nproduce an invalid bRequestType and trigger the control direction warning\nreported by syzbot:\n\n usb 2-1: BOGUS control dir, pipe 80003580 doesn't match bRequestType 0\n\nPass ir->request itself as the setup packet."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nmedia: rc: igorplugusb: corregir el paquete de configuraci\u00f3n de solicitud de control\n\nEl commit eac69475b01f (\u2019media: rc: igorplugusb: respetar las reglas de coherencia\u2019) cambi\u00f3 el almacenamiento de la solicitud de control de una estructura incrustada a un puntero asignado para que pueda obedecer las reglas de coherencia DMA.\n\nSin embargo, el controlador todav\u00eda pasa &ir -> request a usb_fill_control_urb(). Eso apunta el paquete de configuraci\u00f3n URB al propio campo del puntero en lugar de a la estructura usb_ctrlrequest asignada.\n\nEl n\u00facleo USB luego interpreta los bytes del puntero como el paquete de configuraci\u00f3n. Esto puede producir un bRequestType no v\u00e1lido y activar la advertencia de direcci\u00f3n de control reportada por syzbot:\n\n usb 2-1: direcci\u00f3n de control BOGUS, pipe 80003580 no coincide con bRequestType 0\n\nPasar el propio ir -> request como el paquete de configuraci\u00f3n."}], "id": "CVE-2026-64240", "lastModified": "2026-11-08T16:10:00.183", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-07-24T16:16:53.323", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/060fca8e098387f949e4eedaf215d952e477ac12"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0d880d2db9856e94127ab09331363bef59f98005"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/171022c7d594c133a45f92357a2a91475edabe20"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2243ad78ce64d344754260533ae7730c2174a34a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5cc3f6db72f77d1a8f7f1cf4ac01803927ffdf15"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/aa22590a16e51455c6db802c774b31aadc604a9a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e823e4294511989f5962e7ad85bf4d179ba74f52"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f33b5a61673bd220fdaaf4202cf1013d6d66c943"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: media: rc: igorplugusb: fix control request setup packet", "id": "2506831", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2506831"}, "csaw": false, "cwe": "CWE-843", "details": ["A flaw was found in the Linux kernel's `igorplugusb` driver. This vulnerability occurs because the driver incorrectly passes a pointer instead of the actual USB control request setup packet to the USB core. As a result, the USB core misinterprets the data, leading to an invalid request type and triggering a control direction warning. This issue could potentially cause a denial of service for the affected USB device."], "name": "CVE-2026-64240", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64240\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64240\nhttps://lore.kernel.org/linux-cve-announce/2026072441-CVE-2026-64240-186a@gregkh/T"]}

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