Awaiting Analysis
CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

Products

Linux kernel

Source

416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVE-2023-52877 details

Published : May 21, 2024, 4:15 p.m.
Last Modified : May 21, 2024, 4:53 p.m.

Description

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm() It is possible that typec_register_partner() returns ERR_PTR on failure. When port->partner is an error, a NULL pointer dereference may occur as shown below. [91222.095236][ T319] typec port0: failed to register partner (-17) ... [91225.061491][ T319] Unable to handle kernel NULL pointer dereference at virtual address 000000000000039f [91225.274642][ T319] pc : tcpm_pd_data_request+0x310/0x13fc [91225.274646][ T319] lr : tcpm_pd_data_request+0x298/0x13fc [91225.308067][ T319] Call trace: [91225.308070][ T319] tcpm_pd_data_request+0x310/0x13fc [91225.308073][ T319] tcpm_pd_rx_handler+0x100/0x9e8 [91225.355900][ T319] kthread_worker_fn+0x178/0x58c [91225.355902][ T319] kthread+0x150/0x200 [91225.355905][ T319] ret_from_fork+0x10/0x30 Add a check for port->partner to avoid dereferencing a NULL pointer.

CVSS Score

1	2	3	4	5	6	7	8	9	10

Weakness

Weakness	Name	Description

References

URL	Source
https://git.kernel.org/stable/c/4987daf86c152ff882d51572d154ad12e4ff3a4b	416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9ee038590d808a95d16adf92818dcd4752273c08	416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b37a168c0137156042a0ca9626651b5a789e822b	416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e5f53a68a596e04df3fde3099273435a30b6fdac	416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e7a802447c491903aa7cb45967aa2a934a4e63fc	416baaa9-dc9f-4396-8d5f-8c081fb06d67

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CVE-2023-52877