2024-05-26 02:03:22 +00:00

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{
"id": "CVE-2024-35857",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-05-17T15:15:23.090",
"lastModified": "2024-05-17T18:35:35.070",
"vulnStatus": "Awaiting Analysis",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nicmp: prevent possible NULL dereferences from icmp_build_probe()\n\nFirst problem is a double call to __in_dev_get_rcu(), because\nthe second one could return NULL.\n\nif (__in_dev_get_rcu(dev) && __in_dev_get_rcu(dev)->ifa_list)\n\nSecond problem is a read from dev->ip6_ptr with no NULL check:\n\nif (!list_empty(&rcu_dereference(dev->ip6_ptr)->addr_list))\n\nUse the correct RCU API to fix these.\n\nv2: add missing include <net/addrconf.h>"
},
{
"lang": "es",
"value": " En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: icmp: evita posibles desreferencias a NULL por parte de icmp_build_probe(). El primer problema es una doble llamada a __in_dev_get_rcu(), porque la segunda podr\u00eda devolver NULL. if (__in_dev_get_rcu(dev) &amp;&amp; __in_dev_get_rcu(dev)-&gt;ifa_list) El segundo problema es una lectura de dev-&gt;ip6_ptr sin verificaci\u00f3n NULL: if (!list_empty(&amp;rcu_dereference(dev-&gt;ip6_ptr)-&gt;addr_list)) Use el correcto API de RCU para solucionarlos. v2: agregar falta incluir "
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/23b7ee4a8d559bf38eac7ce5bb2f6ebf76f9c401",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/3e2979bf080c40da4f7c93aff8575ab8bc62b767",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/599c9ad5e1d43f5c12d869f5fd406ba5d8c55270",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/c58e88d49097bd12dfcfef4f075b43f5d5830941",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/d68dc711d84fdcf698e5d45308c3ddeede586350",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}