2024-05-21 18:03:30 +00:00

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{
"id": "CVE-2023-52877",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-05-21T16:15:24.377",
"lastModified": "2024-05-21T16:53:56.550",
"vulnStatus": "Awaiting Analysis",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm()\n\nIt is possible that typec_register_partner() returns ERR_PTR on failure.\nWhen port->partner is an error, a NULL pointer dereference may occur as\nshown below.\n\n[91222.095236][ T319] typec port0: failed to register partner (-17)\n...\n[91225.061491][ T319] Unable to handle kernel NULL pointer dereference\nat virtual address 000000000000039f\n[91225.274642][ T319] pc : tcpm_pd_data_request+0x310/0x13fc\n[91225.274646][ T319] lr : tcpm_pd_data_request+0x298/0x13fc\n[91225.308067][ T319] Call trace:\n[91225.308070][ T319] tcpm_pd_data_request+0x310/0x13fc\n[91225.308073][ T319] tcpm_pd_rx_handler+0x100/0x9e8\n[91225.355900][ T319] kthread_worker_fn+0x178/0x58c\n[91225.355902][ T319] kthread+0x150/0x200\n[91225.355905][ T319] ret_from_fork+0x10/0x30\n\nAdd a check for port->partner to avoid dereferencing a NULL pointer."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/4987daf86c152ff882d51572d154ad12e4ff3a4b",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/9ee038590d808a95d16adf92818dcd4752273c08",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/b37a168c0137156042a0ca9626651b5a789e822b",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/e5f53a68a596e04df3fde3099273435a30b6fdac",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/e7a802447c491903aa7cb45967aa2a934a4e63fc",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}