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CVE-2024-50024

Estado: ModificadaMedia (5.5)—

In the Linux kernel, the following vulnerability has been resolved:

net: Fix an unsafe loop on the list

The kernel may crash when deleting a genetlink family if there are still listeners for that family:

Change the unsafe loop on the list to a safe one, because inside the loop there is an element removal from this list.

Detalles técnicos trazas, registros y código del informe original
Oops: Kernel access of bad area, sig: 11 [#1]
  ...
  NIP [c000000000c080bc] netlink_update_socket_mc+0x3c/0xc0
  LR [c000000000c0f764] __netlink_clear_multicast_users+0x74/0xc0
  Call Trace:
__netlink_clear_multicast_users+0x74/0xc0
genl_unregister_family+0xd4/0x2d0

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

CWE

Referencias

JSON original (NVD)

Mostrar
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      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: Fix an unsafe loop on the list\n\nThe kernel may crash when deleting a genetlink family if there are still\nlisteners for that family:\n\nOops: Kernel access of bad area, sig: 11 [#1]\n  ...\n  NIP [c000000000c080bc] netlink_update_socket_mc+0x3c/0xc0\n  LR [c000000000c0f764] __netlink_clear_multicast_users+0x74/0xc0\n  Call Trace:\n__netlink_clear_multicast_users+0x74/0xc0\ngenl_unregister_family+0xd4/0x2d0\n\nChange the unsafe loop on the list to a safe one, because inside the\nloop there is an element removal from this list."
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      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: Corrige un bucle inseguro en la lista El kernel puede bloquearse al eliminar una familia genetlink si aún hay oyentes para esa familia: Oops: Acceso al kernel al área incorrecta, sig: 11 [#1] ... NIP [c000000000c080bc] netlink_update_socket_mc+0x3c/0xc0 LR [c000000000c0f764] __netlink_clear_multicast_users+0x74/0xc0 Rastreo de llamadas: __netlink_clear_multicast_users+0x74/0xc0 genl_unregister_family+0xd4/0x2d0 Cambia el bucle inseguro en la lista a uno seguro, porque dentro del bucle hay una eliminación de elementos de esta lista."
    }
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