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medium5.5

CVE-2023-52652

In the Linux kernel, the following vulnerability has been resolved: NTB: fix possible name leak in ntb_register_device() If device_register() fails in ntb_regi…

Impact

In the Linux kernel, the following vulnerability has been resolved: NTB: fix possible name leak in ntb_register_device() If device_register() fails in ntb_register_device(), the device name allocated by dev_set_name() should be freed. As per the comment in device_register(), callers should use put_device() to give up the reference in the error path. So fix this by calling put_device() in the error path so that the name can be freed in kobject_cleanup(). As a result of this, put_device() in the error path of ntb_register_device() is removed and the actual error is returned. [mani: reworded commit message]

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 4.2 before 5.15.153
from 5.16 before 6.1.83
from 6.2 before 6.6.23
from 6.7 before 6.7.11
from 6.8 before 6.8.2

References