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medium5.5

CVE-2025-37967

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: displayport: Fix deadlock This patch introduces the ucsi_con_mutex_lock /…

Impact

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: displayport: Fix deadlock This patch introduces the ucsi_con_mutex_lock / ucsi_con_mutex_unlock functions to the UCSI driver. ucsi_con_mutex_lock ensures the connector mutex is only locked if a connection is established and the partner pointer is valid. This resolves a deadlock scenario where ucsi_displayport_remove_partner holds con->mutex waiting for dp_altmode_work to complete while dp_altmode_work attempts to acquire it.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 5.2 before 5.15.184
from 5.16 before 6.1.140
from 6.2 before 6.6.92
from 6.7 before 6.12.30
from 6.13 before 6.14.7
Version 6.15
DebianDebian Linux
Version 11.0

Weakness classification

CWE-667

References