CVE-2023-4130

{"id": "CVE-2023-4130", "cveTags": [], "metrics": {}, "published": "2025-08-16T14:15:27.640", "references": [{"url": "https://git.kernel.org/stable/c/4bf629262f9118ee91b1c3a518ebf2b3bcb22180", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/79ed288cef201f1f212dfb934bcaac75572fb8f6", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/aeb974907642be095e38ecb1a400ca583958b2b0", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f339d76a3a972601d0738b881b099d49ebbdc3a2", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Awaiting Analysis", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix wrong next length validation of ea buffer in smb2_set_ea()\n\nThere are multiple smb2_ea_info buffers in FILE_FULL_EA_INFORMATION request\nfrom client. ksmbd find next smb2_ea_info using ->NextEntryOffset of\ncurrent smb2_ea_info. ksmbd need to validate buffer length Before\naccessing the next ea. ksmbd should check buffer length using buf_len,\nnot next variable. next is the start offset of current ea that got from\nprevious ea."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ksmbd: corrige la siguiente validaci\u00f3n de longitud incorrecta del b\u00fafer ea en smb2_set_ea() Hay m\u00faltiples b\u00faferes smb2_ea_info en la solicitud FILE_FULL_EA_INFORMATION del cliente. ksmbd encuentra el siguiente smb2_ea_info usando ->NextEntryOffset del smb2_ea_info actual. ksmbd necesita validar la longitud del b\u00fafer antes de acceder al siguiente ea. ksmbd debe verificar la longitud del b\u00fafer usando buf_len, no la variable next. next es el desplazamiento de inicio del ea actual que se obtuvo del ea anterior."}], "lastModified": "2025-08-18T20:16:28.750", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}