nvd-json-data-feeds/CVE-2024/CVE-2024-368xx/CVE-2024-36893.json

{
  "id": "CVE-2024-36893",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-05-30T16:15:12.773",
  "lastModified": "2024-05-30T18:18:58.870",
  "vulnStatus": "Undergoing Analysis",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: tcpm: Check for port partner validity before consuming it\n\ntypec_register_partner() does not guarantee partner registration\nto always succeed. In the event of failure, port->partner is set\nto the error value or NULL. Given that port->partner validity is\nnot checked, this results in the following crash:\n\nUnable to handle kernel NULL pointer dereference at virtual address xx\n pc : run_state_machine+0x1bc8/0x1c08\n lr : run_state_machine+0x1b90/0x1c08\n..\n Call trace:\n   run_state_machine+0x1bc8/0x1c08\n   tcpm_state_machine_work+0x94/0xe4\n   kthread_worker_fn+0x118/0x328\n   kthread+0x1d0/0x23c\n   ret_from_fork+0x10/0x20\n\nTo prevent the crash, check for port->partner validity before\nderefencing it in all the call sites."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: typec: tcpm: verifique la validez del socio del puerto antes de consumirlo. typec_register_partner() no garantiza que el registro del socio sea siempre exitoso. En caso de error, puerto->socio se establece en el valor de error o NULL. Dado que no se verifica la validez del puerto->partner, esto produce el siguiente bloqueo: No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual xx pc: run_state_machine+0x1bc8/0x1c08 lr: run_state_machine+0x1b90/0x1c08 .. Seguimiento de llamadas: run_state_machine+ 0x1bc8/0x1c08 tcpm_state_machine_work+0x94/0xe4 kthread_worker_fn+0x118/0x328 kthread+0x1d0/0x23c ret_from_fork+0x10/0x20 Para evitar el bloqueo, verifique la validez del puerto->partner antes de eliminar la barrera en todos los sitios de llamadas."
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/789326cafbd1f67f424436b6bc8bdb887a364637",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ae11f04b452b5205536e1c02d31f8045eba249dd",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/d56d2ca03cc22123fd7626967d096d8661324e57",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/fc2b655cb6dd2b381f1f284989721002e39b6b77",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}