53 lines
3.9 KiB
JSON
Raw Normal View History

{
"id": "CVE-2022-48972",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-10-21T20:15:09.343",
"lastModified": "2024-10-23T15:13:25.583",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmac802154: fix missing INIT_LIST_HEAD in ieee802154_if_add()\n\nKernel fault injection test reports null-ptr-deref as follows:\n\nBUG: kernel NULL pointer dereference, address: 0000000000000008\nRIP: 0010:cfg802154_netdev_notifier_call+0x120/0x310 include/linux/list.h:114\nCall Trace:\n <TASK>\n raw_notifier_call_chain+0x6d/0xa0 kernel/notifier.c:87\n call_netdevice_notifiers_info+0x6e/0xc0 net/core/dev.c:1944\n unregister_netdevice_many_notify+0x60d/0xcb0 net/core/dev.c:1982\n unregister_netdevice_queue+0x154/0x1a0 net/core/dev.c:10879\n register_netdevice+0x9a8/0xb90 net/core/dev.c:10083\n ieee802154_if_add+0x6ed/0x7e0 net/mac802154/iface.c:659\n ieee802154_register_hw+0x29c/0x330 net/mac802154/main.c:229\n mcr20a_probe+0xaaa/0xcb1 drivers/net/ieee802154/mcr20a.c:1316\n\nieee802154_if_add() allocates wpan_dev as netdev's private data, but not\ninit the list in struct wpan_dev. cfg802154_netdev_notifier_call() manage\nthe list when device register/unregister, and may lead to null-ptr-deref.\n\nUse INIT_LIST_HEAD() on it to initialize it correctly."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mac802154: se corrige el INIT_LIST_HEAD faltante en ieee802154_if_add(). La prueba de inyecci\u00f3n de errores del kernel informa null-ptr-deref de la siguiente manera: ERROR: desreferencia de puntero NULL del kernel, direcci\u00f3n: 0000000000000008 RIP: 0010:cfg802154_netdev_notifier_call+0x120/0x310 include/linux/list.h:114 Seguimiento de llamadas: raw_notifier_call_chain+0x6d/0xa0 kernel/notifier.c:87 call_netdevice_notifiers_info+0x6e/0xc0 net/core/dev.c:1944 unregister_netdevice_many_notify+0x60d/0xcb0 net/core/dev.c:1982 unregister_netdevice_queue+0x154/0x1a0 net/core/dev.c:10879 register_netdevice+0x9a8/0xb90 net/core/dev.c:10083 ieee802154_if_add+0x6ed/0x7e0 net/mac802154/iface.c:659 ieee802154_register_hw+0x29c/0x330 net/mac802154/main.c:229 mcr20a_probe+0xaaa/0xcb1 drivers/net/ieee802154/mcr20a.c:1316 ieee802154_if_add() asigna wpan_dev como datos privados de netdev, pero No inicializa la lista en la estructura wpan_dev. cfg802154_netdev_notifier_call() administra la lista cuando se registra o cancela el registro del dispositivo y puede generar una desreferencia de PTR nula. Use INIT_LIST_HEAD() para inicializarla correctamente."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/1831d4540406708e48239cf38fd9c3b7ea98e08f",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/42c319635c0cf7eb36eccac6cda76532f47b61a3",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/623918f40fa68e3bb21312a3fafb90f491bf5358",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/7410f4d1221bb182510b7778ab6eefa8b9b7102d",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/9980a3ea20de40c83817877106c909cb032692d2",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/a110287ef4a423980309490df632e1c1e73b3dc9",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/b3d72d3135d2ef68296c1ee174436efd65386f04",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/f00c84fb1635c27ba24ec5df65d5bd7d7dc00008",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}