CVE-2024-42224

{"id": "CVE-2024-42224", "cveTags": [], "metrics": {}, "published": "2024-07-30T08:15:07.667", "references": [{"url": "https://git.kernel.org/stable/c/2a2fe25a103cef73cde356e6d09da10f607e93f5", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3bf8d70e1455f87856640c3433b3660a31001618", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3f25b5f1635449036692a44b771f39f772190c1d", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/47d28dde172696031c880c5778633cdca30394ee", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4c7f3950a9fd53a62b156c0fe7c3a2c43b0ba19b", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8c2c3cca816d074c75a2801d1ca0dea7b0148114", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/aa03f591ef31ba603a4a99d05d25a0f21ab1cd89", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f75625db838ade28f032dacd0f0c8baca42ecde4", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Awaiting Analysis", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: mv88e6xxx: Correct check for empty list\n\nSince commit a3c53be55c95 (\"net: dsa: mv88e6xxx: Support multiple MDIO\nbusses\") mv88e6xxx_default_mdio_bus() has checked that the\nreturn value of list_first_entry() is non-NULL.\n\nThis appears to be intended to guard against the list chip->mdios being\nempty. However, it is not the correct check as the implementation of\nlist_first_entry is not designed to return NULL for empty lists.\n\nInstead, use list_first_entry_or_null() which does return NULL if the\nlist is empty.\n\nFlagged by Smatch.\nCompile tested only."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: dsa: mv88e6xxx: Verificaci\u00f3n correcta de lista vac\u00eda Desde la confirmaci\u00f3n a3c53be55c95 (\"net: dsa: mv88e6xxx: Soporta m\u00faltiples buses MDIO\") mv88e6xxx_default_mdio_bus() ha verificado que el valor de retorno de list_first_entry() no es NULL. Esto parece tener como objetivo proteger contra la lista chip->mdios que est\u00e9 vac\u00eda. Sin embargo, no es la comprobaci\u00f3n correcta ya que la implementaci\u00f3n de list_first_entry no est\u00e1 dise\u00f1ada para devolver NULL para listas vac\u00edas. En su lugar, utilice list_first_entry_or_null() que devuelve NULL si la lista est\u00e1 vac\u00eda. Marcado por Smatch. Compilaci\u00f3n probada \u00fanicamente."}], "lastModified": "2024-07-30T13:32:45.943", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}