CVE-2026-23178

{"id": "CVE-2026-23178", "cveTags": [], "metrics": {}, "published": "2026-02-14T17:15:55.537", "references": [{"url": "https://git.kernel.org/stable/c/2124279f1f8c32c1646ce98e75a1a39b23b7db76", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2497ff38c530b1af0df5130ca9f5ab22c5e92f29", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/786ec171788bdf9dda38789163f1b1fbb47f2d1e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/cff3f619fd1cb40cdd89971df9001f075613d219", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f9c9ad89d845f88a1509e9d672f65d234425fde9", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Awaiting Analysis", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: i2c-hid: fix potential buffer overflow in i2c_hid_get_report()\n\n`i2c_hid_xfer` is used to read `recv_len + sizeof(__le16)` bytes of data\ninto `ihid->rawbuf`.\n\nThe former can come from the userspace in the hidraw driver and is only\nbounded by HID_MAX_BUFFER_SIZE(16384) by default (unless we also set\n`max_buffer_size` field of `struct hid_ll_driver` which we do not).\n\nThe latter has size determined at runtime by the maximum size of\ndifferent report types you could receive on any particular device and\ncan be a much smaller value.\n\nFix this by truncating `recv_len` to `ihid->bufsize - sizeof(__le16)`.\n\nThe impact is low since access to hidraw devices requires root."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nHID: i2c-hid: corrige un potencial desbordamiento de b\u00fafer en i2c_hid_get_report()\n\n'i2c_hid_xfer' se utiliza para leer 'recv_len + sizeof(__le16)' bytes de datos en 'ihid->rawbuf'.\n\nEl primero puede provenir del espacio de usuario en el controlador hidraw y est\u00e1 limitado \u00fanicamente por HID_MAX_BUFFER_SIZE(16384) por defecto (a menos que tambi\u00e9n configuremos el campo 'max_buffer_size' de 'struct hid_ll_driver', lo cual no hacemos).\n\nEl segundo tiene un tama\u00f1o determinado en tiempo de ejecuci\u00f3n por el tama\u00f1o m\u00e1ximo de los diferentes tipos de informes que se podr\u00edan recibir en cualquier dispositivo particular y puede ser un valor mucho menor.\n\nEsto se soluciona truncando 'recv_len' a 'ihid->bufsize - sizeof(__le16)'.\n\nEl impacto es bajo ya que el acceso a los dispositivos hidraw requiere root."}], "lastModified": "2026-02-18T17:52:22.253", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}