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{
"id": "CVE-2023-52522",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-03-02T22:15:48.170",
"lastModified": "2024-03-04T13:58:23.447",
"vulnStatus": "Awaiting Analysis",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix possible store tearing in neigh_periodic_work()\n\nWhile looking at a related syzbot report involving neigh_periodic_work(),\nI found that I forgot to add an annotation when deleting an\nRCU protected item from a list.\n\nReaders use rcu_deference(*np), we need to use either\nrcu_assign_pointer() or WRITE_ONCE() on writer side\nto prevent store tearing.\n\nI use rcu_assign_pointer() to have lockdep support,\nthis was the choice made in neigh_flush_dev()."
},
{
"lang": "es",
"value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: net: soluciona el posible desgarro del almac\u00e9n en neigh_periodic_work() Mientras miraba un informe de syzbot relacionado que involucraba a neigh_periodic_work(), descubr\u00ed que olvid\u00e9 agregar una anotaci\u00f3n al eliminar un elemento protegido por RCU de una lista. Los lectores usan rcu_deference(*np), necesitamos usar rcu_assign_pointer() o WRITE_ONCE() en el lado del escritor para evitar que la tienda se rompa. Utilizo rcu_assign_pointer() para tener soporte lockdep, esta fue la elecci\u00f3n hecha en neigh_flush_dev()."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/147d89ee41434b97043c2dcb17a97dc151859baa",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/25563b581ba3a1f263a00e8c9a97f5e7363be6fd",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/2ea52a2fb8e87067e26bbab4efb8872639240eb0",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/95eabb075a5902f4c0834ab1fb12dc35730c05af",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/a75152d233370362eebedb2643592e7c883cc9fc",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/f82aac8162871e87027692b36af335a2375d4580",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}