{ "id": "CVE-2021-47159", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-03-25T10:15:08.330", "lastModified": "2024-03-25T13:47:14.087", "vulnStatus": "Awaiting Analysis", "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: fix a crash if ->get_sset_count() fails\n\nIf ds->ops->get_sset_count() fails then it \"count\" is a negative error\ncode such as -EOPNOTSUPP. Because \"i\" is an unsigned int, the negative\nerror code is type promoted to a very high value and the loop will\ncorrupt memory until the system crashes.\n\nFix this by checking for error codes and changing the type of \"i\" to\njust int." }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: dsa: corrige un bloqueo si ->get_sset_count() falla. Si ds->ops->get_sset_count() falla, entonces \"count\" es un c\u00f3digo de error negativo como - EOPNOTSUPP. Debido a que \"i\" es un int sin signo, el c\u00f3digo de error negativo se promociona a un valor muy alto y el bucle corromper\u00e1 la memoria hasta que el sistema falle. Solucione este problema buscando c\u00f3digos de error y cambiando el tipo de \"i\" a solo int." } ], "metrics": {}, "references": [ { "url": "https://git.kernel.org/stable/c/0f2cb08c57edefb0e7b5045e0e3e9980a3d3aa37", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/7b22466648a4f8e3e94f57ca428d1531866d1373", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/a269333fa5c0c8e53c92b5a28a6076a28cde3e83", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/caff86f85512b8e0d9830e8b8b0dfe13c68ce5b6", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/ce5355f140a7987011388c7e30c4f8fbe180d3e8", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" } ] }